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Acer Extensa 900 Series Maintenance Manual

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Download this manual See also: User Manual, Instruction and Installation Manual
Maintenance Manual
Extensa
900 Series
TM
Notebook Computers
9813715-0001
December 1996

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  • Page 1 Maintenance Manual Extensa 900 Series Notebook Computers 9813715-0001 December 1996...
  • Page 2 Copyright © 1996 Texas Instruments All Rights Reserved Extensa 900 Series Notebook Computers Maintenance Manual TI Part No. 9813715-0001 Original Issue: December 1996 Changes may be made periodically to the information in this publication. Such changes will be incorporated in new editions of this manual. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of...
  • Page 3 Preface Introduction This manual provides installation, operation and servicing data for the Extensa Series Notebook Computers. Intended Audience This manual is primarily intended for use by qualified service technicians but contains information useful to non-technical users. Contents This manual contains six sections and one appendix that are common to all Extensa 900 Series Notebook Computers (differences described as they are covered): Section 1: General Description - Introduces the main features of the Extensa 900 Series Notebook Computers;...
  • Page 4 Other Manuals About the System The following documents provide additional information related to the Extensa Notebook Computer Series: Extensa Series Notebook Computers Users Guide - Contains user reference information for the Extensa 900 Series Notebook Computers. PC-Doctor Help and Technical Reference (online) Ordering Parts and Supplies To order a copy of any TI publication or to order option kits, spare parts or supplies for your system, contact your TI reseller:...

  • Page 5: Table Of Contents

    Contents Paragraph Page Preface Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vii Intended Audience- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vii Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vii Other Manuals About the System- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -viii...
  • Page 6 Contents (continued) Paragraph Page Section 2 Installation (continued) Installing External Notebook Options - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-5 Installing the Mobile Productivity Base (Option) - - - - - - - - - - - - - - - - - - - 2-5 Docking the Notebook to the MPB - - - - - - - - - - - - - - - - - - - - - - - - 2-5 Cabling to the MPB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-6...
  • Page 7 Contents (continued) Paragraph Page Section 4 Theory of Operation Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 Notebook Functional Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 System Processor - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3 Memory Subsystem- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-5...
  • Page 8 Contents (continued) Paragraph Page Section 6 Troubleshootig Procedures (continued) General Fault Isolation Procedures - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-12 Fault Isolation Using Diagnostics - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-13 PC-Doctor (In DOS Mode or DOS Windows) - - - - - - - - - - - - - - - - - - - - - 5-13 Supporting Online Documentation - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-15...
  • Page 9 Contents (continued) Paragraph Page Section 6 Field Service (continued) Removing/Replacing the MPB Battery - - - - - - - - - - - - - - - - - - - - - - - - -6-33 Removing/Replacing the MPB Housing- - - - - - - - - - - - - - - - - - - - - - - - -6-34 Removing/Replacing the Docking Cable - - - - - - - - - - - - - - - - - - - - - - - -6-35 Removing/Replacing the Docking Mechanism - - - - - - - - - - - - - - - - - - - -6-36 Removing/Replacing the MPB DC-DC Converter - - - - - - - - - - - - - - - - - -6-37...

  • Page 11: Introduction

    General Description 1.1 Introduction This manual contains field and factory level servicing information for the Extensa Series Notebook Computers (Figure 1-1) marketed by Texas Instruments. This section provides a general overview of the Extensa 900 Series, describes the standard and optional features, and identifies the major assemblies and subassemblies.
  • Page 12 Powerful PCI Bus architecture 16 MB main memory (expandable to 80 MB using 8 MB, 8 MB, 16 MB, 32 MB or 64 MB EDO 64-bit type small outline dual inline memory module (soDIMM) upgrades) 256 KB Level-2 cache memory Built-in 2.5-inch IDE high capacity (1.35 GB or greater) Hard Disk Drive External Floppy Drive Module (attaches to the Parallel Port) Advanced video features...

  • Page 13: Video Display Features

    Power Switch Right Speaker Status Indicators Right Battery Lock Port Battery Left Audio and Touchpad Pack Bottom of Unit Speaker Mic Jacks Left Access Battery Cover Lock Port Expansion Serial Memory Port Acess Card Cover Parallel Slots Port PS/2 AC Adapter Port Connection Figure 1-2 900 Series Notebook External Features...

  • Page 14: Internal Lcd

    1.2.1.1 Internal LCD The Extensa 900 Series Notebooks contain one of the following LCDs (model dependent): 12.1-inch DSTN display (900CD Only) 11.3-inch TFT 1.2.1.2 External CRTs The Extensa 900 Series Notebooks are equipped with a 15-pin SVGA connector that can drive an external CRT (either alone or simultaneously with the internal LCD). When the notebook is set to the SimulSCAN mode, a minimum resolution of 800 x 600 x 256 colors is supported.

  • Page 15: Keyboard Features

    1.2.2 Keyboard Features The Extensa 900 Series Notebooks contain a built-in 86/87-key keyboard (Figure 1-3) ® compatible with the IBM enhanced 101/102-key keyboard. The keyboard contains 12 programmable function keys, an embedded numeric keypad (Figure 1-4) and dedicated control keys (hot keys). Figure 1-3 Embedded Numeric Keypad 1.2.3 Software Features As a standard feature, the Extensa 900 notebooks are factory loaded with dual load...

  • Page 16: Standard Peripheral Devices

    1.2.4 Standard Peripheral Devices As standard features, the Extensa notebooks include an internal IDE hard drive, an external 3.5-inch floppy disk drive and built-in touchpad (mouse device). 1.2.5 900 Series Connectivity Features As standard features, the Extensa 900 Series notebooks includes most standard desktop ports including a serial port, parallel port, PS/2 port, and external VGA port.

  • Page 17: Notebook Expansion Capabilities

    Table 1-2 900 Series External Ports Port Assignment Description External VGA Port 15-pin Female connector used to attach an external SVGA monitor to the notebook. Serial Port 9-pin Male connector used to attach an RS-232 serial device to the notebook. Parallel Port 25-pin Female connector used to attach a bidirectional printer or an external floppy disk drive (requires special cable for use with floppy disk drive).

  • Page 18: Memory Expansion

    1.2.7 Memory Expansion The notebook comes standard with 16 MB of RAM expandable to a maximum of 80 MB using soDIMM modules (available in 8, 16, 32 or 64 MB sizes). Access to the expansion socket is accommodated via a removable panel on the bottom of the notebook as shown in Figure 1-5.

  • Page 19: Mobile Productivity Base Option

    Figure 1-6 Installing PCMCIA Card Options 1.2.9 Mobile Productivity Base Option The Mobile Productivity Base (Figure 1-7) provides a port replicator function with separate External Keyboard and Mouse ports, plus powerful desktop expansion features including a Modular Bay for CD-ROM or Floppy Disk Drive and provisions for an Advanced PCI Card option.

  • Page 20: Docking And Undocking

    Notebook Connector Secondary Battery Audio Jacks Advanced PCI Option Slot Media Bay (Floppy or CD-ROM Drive) Two PS/2 Ports Standard for both External Notebook Keyboard and Mouse Ports Figure 1-7 Mobile Productivity Base (MPB) Features 1.2.9.1 Docking and Undocking Docking and undocking of the Mobile Productivity Base is controlled by a latch and lever on the left side of the base as shown in Figure 1-8.

  • Page 21: Mobile Productivity Base Ports

    Docking/ Undocking Lever Release Lever Latch Left Side Right Side Figure 1-8 Undocking from the Mobile Productivity Base 1.2.9.2 Mobile Productivity Base Ports The Mobile Productivity Base provides the same ports as available on the Notebook plus an additional PS/2 port to allow for both external mouse and keyboard. The port assignments are shown in Figure 1-9.

  • Page 22: Advanced Pci Card Options

    Line Line PS/2 Keyboard Advanced Port Serial PS/2 Port Port Mouse Parallel Port Port Figure 1-9 Mobile Productivity Base Ports 1.2.9.3 Advanced PCI Card Options The Extensa 900 Series Notebooks contain provisions for an advanced PCI Card as shown in Figure 1-7. 1.3 Notebook Battery The notebook computer uses a Lithium-Ion battery pack.

  • Page 23: Pc-Doctor Diagnostics Program

    the computer is powered up. In the event of a failure, the computer displays a descriptive error message and issues a series of coded beeps (in case the display subsystem is not functioning). If self test completes normally, the computer displays the amount of memory tested, loads the Operating System and Windows environment.

  • Page 24: Extensa 900 Series Specifications

    1.5 Extensa 900 Series Specifications General specifications for the Extensa 900 Series Notebooks are provided in Table 1-5. Table 1-5 Extensa 900 Specifications Characteristic Model 900 Series Specifications Pentium P54CSLM, 133 MHz; 3.1 Volt, Internal Hard Disk Drive Disk Storage Capacity: 1.35 GB or greater Average access time: 12 ms or less...
  • Page 25 Table 1-5 Extensa 900 Specifications Characteristic Model 900 Series Specifications Video Subsystem LCD Aspect Ratio Emulations: SVGA Video Memory Size 1.5 MB Video Bus: 32-bits LCD Resolution: 640 x 480 pixels bit-mapped at 256 colors LCD Characters/Line LCD Lines/Screen: Function hot key brightness and contrast control and SimulSCAN LCD Brightness Control: control External CRT Monitor...
  • Page 26 Table 1-5 Extensa 900 Specifications Characteristic Model 900 Series Specifications RS-232-D Serial Port: 9-Pin, male, sub-D-type connector Method: EIA RS-232-D Type: Asynchronous transmission Bits per second: 110, 200, 300, 600, 1200, 2400, 4800, 9600, 19200 Parity: Transmit: Odd, even, mark, space Receive: Data check: odd, even Line control:...

  • Page 27: Regulatory Agency Approvals

    1.6 Regulatory Agency Approvals All Extensa 900 Series products meet the following regulatory agency standards: Underwriter’s Lab (UL) Standard 1950 (safety) Canadian Standards Association (CSA) Standard 950 or CUL (safety) FCC CFR 47, Part 15, Subpart B, FCC Level B (Emissions) Canadian Department of Communications (DOC) ICES, Class B (Emissions) VDE- EN60950 (Safety) EN 50082-1 (Immunity: ESD, RFI, EFT, and Surge)

  • Page 29: Section 2 Installation

    Installation 2.1 Introduction This section contains unpacking and preparation for use instructions for the Extensa 900 Series Notebook Computers. This includes: Removing the computer and all manuals, options and accessories from the shipping container(s) Installing Internal Notebook Options Installing External Notebook Options Installing Battery Packs Installing Desktop Devices Installing the AC Adapter...

  • Page 30: Installing Internal Notebook Options

    2.3 Installing Internal Notebook Options If you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise, continue with Paragraph 2.3.1. 2.3.1 Installing Main Memory Expansion (Optional) Main memory on the 900 Series Notebooks can be expanded using an EDO Small Outline Dual Inline Memory Module (EDO soDIMM).

  • Page 31: Setting Up The Software

    Expansion Memory Access Cover Inserting soDIMM Memory Module Figure 2-1 Memory Expansion Removal/Replacement Note: After installing expansion memory in your notebook, you must run the PHDISK utility in order for the Save-To-Disk or 0V Suspend functions to operate correctly. 2.3.2 Setting up the Software Note: If you are using an operating system other than Windows 95, Windows for Workgroups, or DOS, you may need to re-partition your hard disk drive to allow for the additional memory.

  • Page 32: Installing Pcmcia Options

    In Windows 95 Follow these steps if your computer is running Windows 95. From the Taskbar, select Start then Shut Down. Select the Restart the Computer in MS-DOS mode. Click on Yes. Type PHDISK /C /F at the DOS prompt and press Enter. The DOS screen appears and shows the save file name and size.

  • Page 33: Installing External Notebook Options

    Figure 2-2 Installing PCMCIA Option Cards Note: When installing a Zoomed Video option card, the card must be installed in the lower card slot (slot 0 or A). Other option cards can be installed in either card slot. 2.4 Installing External Notebook Options 2.4.1 Installing the Mobile Productivity Base (Option) If using the Mobile Productivity Base option, install this accessory now.

  • Page 34: Cabling To The Mpb

    Swing the Docking Lever outward a full 90 degrees from the side of the MPB. Slide the notebook into the MPB, right side first, as shown in Figure 2-3. Ensure that the docking guides on both the notebook and the MPB are securely hooked.
  • Page 35 Line Line PS/2 Keyboard Advanced Port V G A Serial PS/2 Port Port Mouse Parallel Port Port Figure 2-4 MPB Port Assignments Installation 2-7...

  • Page 36: Installing Ext. Keyboard/Mouse/Numeric Keypad

    Battery Pack Figure 2-5 MPB Battery Pack Removal/Installation Installation 2.4.2 Installing Ext. Keyboard/Mouse/Numeric Keypad A PS/2 compatible Keyboard, mouse or an optional PS/2-compatible numeric keypad may be installed on the notebook via the mouse connector on the left rear port as shown in Figure 2-6.

  • Page 37: Installing An External Parallel Printer

    Figure 2-6 PS/2 Port Connections 2.4.3 Installing an External Parallel Printer The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin parallel printer port. The connector pinouts and connector location are shown in Figure 2-7. Note: Refer to Figure 2-4 for port assignments if using the MPB option. Installation 2-9...

  • Page 38: Installing An External Serial Port Device

    PARALLEL PORT PINOUTS SPP Mode SIGNAL Strobe* STB* Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 A CK * Acknowledge* BUSY Busy Paper Out Select SLCT Auto Line Feed*...

  • Page 39: Installing An External Vga Monitor

    Any device that uses an RS-232 interface Note: Refer to Figure 2-4 for port assignments if using the MPB option. Caution: Never connect a parallel device to a serial port or a serial device to a parallel port or video port; this may cause damage to the notebook and/or external device.
  • Page 40 Figure 2-9 External VGA Pinouts Use the following procedure to install an external monitor: Turn off power to both the notebook and monitor. Connect the 15-pin external VGA cable from the monitor to the VGA connector on the notebook computer (Figure 2-9) or MPB (Figure 2-4). Power up the notebook computer first;...

  • Page 41: Primary Battery Pack Installation

    Windows for Workgroups, use the WinMode Utility). Install the correct driver, if required (refer to the Monitor Installation Instructions supplied by the CRT vendor). 2.5 Primary Battery Pack Installation Turn off the computer and disconnect the AC adapter if attached to the computer.

  • Page 42: Initial Software Load

    Remove the AC adapter from the packaging. Connect the round coaxial connector supplied with the notebook to the DC IN power receptacle on the left rear of the notebook as shown in Figure 2-9. Connect the female side of the AC power cord to the AC adapter and connect the male end to a grounded AC outlet.
  • Page 43 Before starting the initial software load process, ensure that you have the following: Extensa 900 User’s Guide - Contains latest software installation instructions. AC Adapter/Access to AC power - Although the battery pack may have some charge, it may be insufficient for the entire set up. Loss of power during setup can cause irreversible file damage.

  • Page 45: Section 3 Operating Instructions

    Operating Instructions 3.1 Introduction This section contains a summary of notebook operating procedures useful for maintenance operations. For additional detail, refer to the Extensa 900 Series Notebook Computer User’s Guide supplied with the notebook. 3.2 Controls/Indicators The operating controls and indicators for the 900 Series Notebooks are shown in Figure 3-1 and briefly described in the following paragraphs.

  • Page 46: Power On/Off Switch

    3.2.1 Power On/Off Switch The notebook contains an alternate action power switch located center of the notebook near the status indicators as shown in Figure 3-1. The first time you press the power switch, power is turned on to the notebook. The next time you press the power switch, power is turned off.

  • Page 47: Keyboard Hot Key Sequences

    Table 3-1 LED Icon Descriptions Icon Description Standby Mode Indicator Lights when the computer is in Standby mode. Flashes when the computer is in the 5V Suspend mode. The computer enters Standby Mode if the Standby hot key (Fn+F4) is pressed or the Standby Timeout parameter in Setup is enabled and expires.
  • Page 48 Table 3-2 Summary of Notebook Hot Key Sequences Function Key Sequence Alternate between display modes (LCD, Ext.l CRT or both) Fn+F12 Decrease LCD screen brightness Fn+Down Arrow Increase LCD screen brightness Fn+Up Arrow Lighten LCD screen contrast Fn+Right Arrow Darken the LCD screen contrast Fn+Left Arrow Exit 0V Suspend Mode Press Power switch...

  • Page 49: Windows 95 Special Keys

    3.2.4.1 Windows 95 Special Keys Pressing the Windows Logo Key acts as the Start button. Pressing this key in combination with other keys performs special functions. Table 3-4 contains several examples of using the Windows 95 special keys. Table 3-4 Windows 95 Special Keys Hot Key Function Windows Logo Key+Tab...

  • Page 50: Configuring The Touchpad

    3.3 Configuring the Touchpad You can personalize the control of the touchpad by configuring various settings using ® the Synaptics Touchpad utility. Configure the touchpad using the Mouse utility located in the Control Panel Window. Follow these steps to configure the Touchpad: In Windows 95 Select the Start button, then select Settings.

  • Page 51: Built-In Sound System

    To protect the CD against scratches and dirt when not in use, keep the CD in its protective case. Clean a CD with a clean, dry, lint-free cloth. Always wipe from the center to the edge. Don’t wipe the CD in a clockwise or counterclockwise direction. Keep CDs away from high temperatures and direct sunlight.

  • Page 52: External Sound Equipment

    3.5.3 External Sound Equipment You can improve the quality of sound production and increase convenience by connecting external sound equipment. The computer has the following jacks for connecting to external sound equipment: Microphone Input Stereo Headphone/Speaker Line Output Stereo Line Input 3.6 Using Remote Connections The computer can send and receive e-mail, surf the Internet, connect to one of the online services or share files with other office employees.

  • Page 53: Using Zoomed Video Features

    3.7 Using Zoomed Video Features Your computer supports Zoomed Video (ZV) PC Cards through the PC Card slots. ZV PC Cards connect to the internal ZV port, allowing advanced multimedia capabilities such as video conferencing and on-screen television at full, smooth motion. The Zoomed Video port adds a dedicated video bus that provides a direct link between a PC Card and the VGA accelerator or audio DAC.

  • Page 54: Suspending Operation While Idle

    3.8.2 Suspending Operation While Idle Although the computer goes into Suspend mode automatically after a defined period of inactivity, you can reduce energy consumption even further by pressing either Fn+F3 (Suspend) or Fn+F4 (Standby) as soon as you no longer need the computer to be active. Pressing Fn+F4 (Standby) turns off the screen.

  • Page 55: Replacing The Battery

    3.8.4 Replacing the battery If you have a spare, charged battery, you can do one of the following. Insert a secondary battery into the MPB option (if installed). If you already have a battery in a docked MPB, you can replace the primary battery without turning off the computer.

  • Page 57: Section 4 Theory Of Operation

    Theory of Operation 4.1 Introduction This section contains a general block diagram theory of operation description of the Extensa 900 Series Notebook Computers. Note: Various internal components may change on future models and busses/bus speeds are subject to change. 4.2 Notebook Functional Overview The Extensa 900 Series Notebooks consist of eight major functions or sections including: System Processor —...
  • Page 58 CPU Bus DRAM M1521 SRAM Graphic controller PCI Bus IDE Master M1523 ISA Bus Figure 4-1 Extensa Functional Block Diagram 4-2 Theory of Operation...

  • Page 59: System Processor

    4.2.1 System Processor The System Processor function for the notebook is implemented on the Main Board in the form of an Intel Pentium P54-C Superscalar 586 Processor Chip. The processor operates in conjunction with RAM and ROM Memory and other control logic to process software instructions (BIOS, DOS, Windows, and applications).
  • Page 60 Figure 4-2 Detailed System Block Diagram 4-4 Theory of Operation...

  • Page 61: Memory Subsystem

    4.2.2 Memory Subsystem The memory subsystem comprises the following components: Main memory L2 Secondary Memory (cache) Flash ROM The Extensa Series uses fast Extended Data Out (EDO) DRAM for main and video memory and high-speed synchronous, pipelined burst SRAM for L2 cache memory. Main BIOS and Video BIOS are stored in Flash ROM.

  • Page 62: Flash Rom

    4.2.2.2 Flash ROM All versions of the Extensa notebook family use a "Flash" ROM that contains both the main system BIOS and the VGA BIOS. The Flash ROM contains "Boot Block" logic that allows downloading new versions of BIOS without destroying the Boot Load area. The Flash ROM execution is 8 bits wide.
  • Page 63 Table 4-4 I/O Address Map Address Range Device 000 - 00F DMA controller-1 020 - 021 Interrupt controller-1 M1523 registers 022 - 023 040 - 043 Timer 1 048 - 04B Timer 2 060 - 06E Keyboard controller 070 - 071 Real-time clock and NMI mask DMA page register 080 - 08F...

  • Page 64: Ali M1521 (Memory, Cache And Dram Controller)

    4.2.3.1 ALI M1521 (Memory, Cache and DRAM Controller) The M1521 provides the system controller and data path components for the Extensa 900 Pentium-based system. It provides 64-bit CPU bus interface, 32-bit PCI bus interface, 64/72 DRAM data bus with ECC or parity, secondary cache interface including pipeline burst SRAM or asynchronous SRAM, PCI master to DRAM interface, four PCI master arbiters, and a UMA arbiter.

  • Page 65: Ali M1523 (Pca-Isa Bridge)

    Supports the most flexible six 32-bit populated banks of DRAM (to spare 12 MB for Windows 95) Supports SIMM and DIMM UMA (unified memory architecture) Dedicated UMA arbiter pins Supports several protocols from major graphics vendors SFB size : 512 KB/1 MB/2 MB/3 MB/4 MB CPU could access frame buffer memory through system memory controller Alias address for frame buffer memory Fully synchronous 25/30/33 MHz 5V PCI interface...
  • Page 66 One eight-byte bidirectional line buffer is provided for ISA/DMA master memory read/ writes. One 32-bit wide posted-write buffer is provided for PCI memory write cycles to the ISA bus. It also supports a PCI to ISA IRQ routing table and level-to-edge trigger transfer.
  • Page 67 Provides type F transfers Interrupt controller Provides 14 interrupt channels Independently programmable level/edge triggered channels Counter/Timers Provides 8254 compatible timers for system timer, refresh request, speaker output use Keyboard controller Built-in PS2/AT keyboard controller The specific I/O is used to save the external TTL buffer Real time clock Built-in real time clock 128-byte CMOS RAM with 2...

  • Page 68: Video Subsystem

    Supports PIO modes up to mode 5 timings, and multiword DMA mode 0, 1, 2 8 x 32-bit pre-read and posted-write buffers Dedicated pins for ATA interface Supports up to 256 KB ROM size decode Reserved USB interface 208-pin PQFP package 4.2.4 Video Subsystem The video subsystem is implemented on the VGA Video Board and on the Main Board Assemblies.

  • Page 69: Versatile Panel Support

    pixel boundary (YUV data is converted to RGB "on-the-fly" on output). Non-rectangular windows are supported via color keying. The data can be functionally zoomed on output up to 8x to fit the onscreen window and can be horizontally and vertically interpolated to scale or zoom artifacts.

  • Page 70: Es1878 Features

    as support for the expansion audio mixer chip, the ES978, and a new IIS serial port and stereo D/A converter. A 4-wire expansion analog bus and 2-wire serial control bus connect the ES1878 and the ES978. 4.2.5.2 ES1878 Features Hot-dock interface to expansion audio mixer (ES978) Plug-and-Play support using internal resource ROM Monophonic full-duplex using two DMA channels Self-timed joystick port ("digital joystick")
  • Page 71 functions. All popular 5.25-inch and 3.5-inch floppy disk drives, including the 2.88 MB, 3.5-inch floppy disk drive, are supported. In addition, automatic media sense and 2 Mbps tape drive support are provided by the FDC. The two UARTs are fully NS16450 and NS16550 compatible. Both ports support MIDI baud rates and one port also supports IrDA 1.0 SIR (with data rate of 115.2 Kbps), IrDA 1.1 MIR and FIR (with data rate of 1.152 Mbps and 4.0 Mbps respectively), and Sharp SIR (with data rate of 38.4 Kbps respectively) compliant signaling protocol.
  • Page 72 Extended Capabilities Port (ECP) compatible, including level 2 support Bidirectional under either software or hardware control Compatible with ISA, and EISA, architectures Ability to multiplex FDC signals on parallel port pins allows use of an external Floppy Disk Drive (FDD) Includes protection circuit to prevent damage to the parallel port when a connected printer is powered up or is operated at a higher voltage UARTs...

  • Page 73: Hard Disk Drive Subsystem

    16 bit addressing (full programmable) 10 selectable IRQs 4 selectable DMA Channels 3 SIRQ Inputs allows external devices to mapping IRQs 100-pin TQFP package - PC87338VJG 4.2.8 Hard Disk Drive Subsystem The Hard Disk Drive Subsystem, implemented on the Main Board Board and on the associated hard disk drive module(s), provides disk storage for all system software and user files.

  • Page 74: Floppy Disk Drive Subsystem

    CMD's complete set of 32-bit drivers handle both DMA and PIO Fully compatible with the latest PCI, PCI IDE, ATA-2, Enhanced IDE, Fast IDE, ATAPI, plug and play, and ATA-2 Power Management Feature Set Fully supports all ATAPI-compatible devices, including CD-ROM, tape, MO, and other devices Fully supports legacy (IRQ 14 and 15) Hardware and software mode switching and chip enable/disable capabilities...

  • Page 75: Pci 1130 Features

    8-, 16-, and 32-bit cards using full 32-bit PCI cycles for maximum performance. Independent 32-bit write buffers allow fast-posted writes to improve system-bus utilization. An advanced CMOS process is used to achieve low system-power consumption while operating at PCI clock rates up to 33 MHz. Several low-power modes allow the host power-management system to further reduce power consumption.

  • Page 76: Power Subsystem

    Supports PC/PCI DMA on both PC Card sockets Supports Zoom Video Mode Supports Ring Indicate Packaged in 208-pin Thin Plastic Quad Flatpack (PDV) 4.2.11 Power Subsystem The notebook is equipped with a software/hardware monitored/controlled Power Subsystem that minimizes battery usage for prolonged battery operation and automatically recharges the batteries when the notebook is used with an AC adapter.
  • Page 77 Figure 4-3 Power Subsystem Simplified Block Diagram Theory of Operation 4-21...

  • Page 78: Ali M6377 Power Management Unit

    4.2.11.1 ALI M6377 Power Management Unit The major features of the ALI M6377 Power Management Unit include: Three operation states — ON state — DOZE state — SLEEP state Programmable DOZE and SLEEP timers Programmable EL timer for backlight control Three output pins depending on operation state, each pin is programmable and power configurable.
  • Page 79 Table 4-5 M6377 GPIO Port Definitions Item Description GPIO17 1: Connect serial BUS with charger ROM. (W/R) 0: Disconnect serial BUS with charger ROM. GPIO20 is the CLK and GPIO21 is the DATA for the serial BUS. GPIO16 Reserved GPIO15 1: CPU high temperature SMI is allowed.
  • Page 80 Table 4-5 M6377 GPIO Port Definitions (Continued) Item Description GPIO20 GPIO20 is the common CLK for below serial BUS: (W/R) A. For Charger ROM, Inverter ROM, MPB ROM serial BUS. B. For Brightness & Contrast control. C. For Feature board. GPIO37 GPIO37 is serial DATA for Feature board serial BUS, and GPIO20 is the serial CLK.

  • Page 81: Ac Power Adapter

    4.2.11.2 AC Power Adapter The computer is equipped with a universal AC power adapter that converts AC voltage into DC voltage (approx. 46 Watts of power) used to operate the notebook and charge the batteries. The specifications for the AC adapter include: Input Voltage: 100 to 250 VAC Input Current: Approximately 1.5 Amps Input Frequency: 50 to 60 Hz...

  • Page 83: Section 5 Troubleshooting Procedures

    Troubleshooting Procedures 5.1 Introduction This section provides an overview of the fault isolation process, provides guidelines for isolating 900 Series computer malfunctions to replaceable subassemblies and provides instructions for executing diagnostics and interpreting error messages. 5.2 Overview of Fault Isolation Process The fault isolation process (summarized in Figure 5-1) consists of the following steps: Checking the Notebook power system (including battery packs and AC adapter connections) - refer to Paragraph 5.4.
  • Page 84 ® START COMPUTER TROUBLE TROUBLE INDICATION INDICATION When Power button is pressed, no indication DEAD See Paragraphs of power is present (dark COMPUTER 5.3.1 & 5.3.2 SYMPTOMS LCD, no Status icons lit, no disk drive activity, etc.) See Paragraph Press Power button; Selftest automatically SELF TEST runs when power turned on.

  • Page 85: Troubleshooting Procedures

    Troubleshooting Procedures The built-in self test program and the disk resident diagnostics program (PC-Doctor) are useful tools in computer troubleshooting. However, if the computer has a power, keyboard or display problem, you must first solve this problem before running diagnostics. If the computer powers up and displays messages on the LCD or emits a series of beeps, skip to Paragraph 5.3.3.1 for further instructions.

  • Page 86: Fault Isolation Using Power On Self Test

    Table 5-1 contains fault isolation information for Display Problems on the notebook. Symptoms are listed along the left side of the chart and the various Display FRUs are listed along the top of the chart. Within the body of the table are the probabilities of each of the FRUs causing that particular problem.

  • Page 87: Post Error Messages

    5.3.3.1 POST Error Messages Upon successful completion of Power On Self Test, the computer automatically loads its operating system and other built-in utilities. If POST fails to complete successfully, the display shows one of the error messages described in Table 5-2. Note: In the event of a hardware problem that affects the display, the Notebook also communicates errors via a series of beeps.
  • Page 88 Table 5-2 Power On Self Test Error Messages Message Possible Cause Action Diskette drive A failure The drive failed or is missing. Check the drive to determine the problem. Diskette read failure - press The disk is either not Replace the disk with a bootable F1 to retry boot, F2 for formatted or is defective.
  • Page 89 Table 5-2 Post Error Messages (continued) Message Possible Cause Action No boot device available - Either disk drive A:, the fixed Try rebooting. If the problem press F1 to retry boot, F2 diskette, or both the disk and persists, replace the disk or the for SETUP utility fixed diskette are defective.

  • Page 90: Post Beep Error Messages

    Table 5-2 POST Error Messages (continued) Message Possible Cause Action Keyboard clock line failure The keyboard, the keyboard Make sure the keyboard cable cable connection, or the and keyboard are connected keyboard controller is properly. Check the keyboard defective. controller and the system board. Turn the power off, then back on again.

  • Page 91: Run-Time Error Messages

    failures are associated with the Upper and Lower Electronics Boards and may require board removal/replacement. Try running PC-Doctor (Paragraph 5.5) if possible to verify the source of problem. Table 5-3 Self Test Beep Messages Beep Code Description VGA Failures 1 Long, 2 Short Horizontal Retrace Failed 1 Long, 3 Short DAC Test Failed...

  • Page 92: Pcmcia Modem Problems

    Table 5-4 Run-Time Error Message Troubleshooting Message Cause Action I/O card parity interrupt at Memory on a peripheral card Check the memory cards address. Type (S)hut off NMI, has failed. installed in the system. (R)eboot, other keys to continue Memory parity interrupt at A memory chip(s) has failed.
  • Page 93 Table 5-5 General Troubleshooting Procedures Problem Corrective Actions No power 1. Check that the AC adapter is plugged into the power connector of the system. Also, check that the AC adapter is plugged into a properly grounded AC power outlet. 2.
  • Page 94 Table 5-5 General Troubleshooting Procedures (continued) LCD screen does not show data 1. Check the LCD Status Bar if Suspend mode is activated. Press any key or press the power button to resume operation and display. 2. Check if LCD cables are disconnected or loose. 3.
  • Page 95 Table 5-5 General Troubleshooting Procedures (continued) Memory malfunction 1. Check if the memory module is inserted properly. 2. Replace the memory module. 3. Replace the motherboard. External keyboard or PS/2 mouse doesn’t 1. Check if the keyboard or the mouse are work connected properly.

  • Page 96: Fault Isolation Using Diagnostics

    5.5 Fault Isolation Using Diagnostics PC-Doctor, supplied with the Extensa Series Notebooks, is a powerful diagnostics tool that can help you determine the hardware configuration of a local or remote system, benchmark its performance, analyze the performance of all subsystems, and perform a suite of interactive and non-interactive tests on attached devices (such as printers, ®...

  • Page 97: Supporting Online Documentation

    5.5.2 Supporting Online Documentation The PC-Doctor Diagnostic contains the following online information sources: Online Technical Manual - Selected at any time by pressing F1 key twice or by clicking on the Question Mark in the upper left hand corner of any PC-Doctor Menu On-line Help system - Provides context sensitive information from every PC-Doctor screen- accessed by pressing F1 key once (pressing F1 twice gets...

  • Page 99: Section 6 Field Service

    Field Service 6.1 Introduction This section contains general preventive and corrective maintenance procedures that apply to all members of the Extensa 900 Notebook family. The first part of the section describes the computer cleaning procedures and preferred handling procedures for sensitive components (e.g., disk drives, batteries).

  • Page 100: Handling The Computer

    6.2.2 Handling the Computer The notebook computer requires reasonable care and handling for extended life. Some of the precautions to follow to protect your computer against accidental damage include: Never pick up or carry the unit by the cover Do not force the cover beyond its fully opened position (about 180 degrees) Never subject the computer to harsh environments (dusty areas or areas of rapidly changing temperatures) Never place anything on top of the computer, particularly when it is operating...

  • Page 101: Password Caution

    6.2.4 Password Caution The notebook computer can be password protected to prevent unauthorized use. However, if the password is lost, the notebook must be returned to the Texas Instruments manufacturing facility in Temple, Texas U.S.A. to restore access. This service is not covered by warranty. 6.3 Required Tools and Equipment All Extensa Notebook corrective maintenance procedures can be performed using the following tools:...

  • Page 102: Cover-Display Assembly

    Notebook Assemblies Cover-Display Assembly Base Assembly Mobile Productivity Base Assembly Figure 6-1 Extensa 900 Series Assemblies 6.4.1 Cover-Display Assembly The Cover-Display Assembly shown in Figure 6-2, contains the LCD screen, DC-AC Inverter Board, DC-DC Inverter Board, bezel LCD cover and various other components as listed in Table 6-1.
  • Page 103 DC-AC Inverter Board Assembly (large PWB) Assembly Latch Securing Inverter Boards LCD Inverter Board (smaller PWB) Figure 6-2 Display FRUs Table 6-1 Top Cover Assembly Field-Replaceable Units (FRUs) FRU Description Assembly/ TI Part No. Disassembly Paragraph PWB INVERTER, DSTN, EXT. 90X 6.5.19 9813635-0001 BEZEL, DISPLAY DSTN 12.1", EXT.

  • Page 104: System Base Assembly

    6.4.2 System Base Assembly As shown in Figure 6-3, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The various assemblies and reference paragraph numbers containing removal/replacement procedures are listed in Table 6-2. Microphone Keyboard Assembly Speaker Battery Heatsink PC Card...
  • Page 105 Table 6-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/ TI Part No. Disassembly Paragraph PWB Assemblies PWB ASSY, MAIN BOARD W/O CPU, EXT. 90X 6.5.15 9813651-0001 PWB ASSY, VGA BOARD, EXT.90 X 6.5.11 9813652-0001 PWB ASSY, LED BOARD, EXT. 90X 6.5.8 9813653-0001 PWB ASSY, CPU BOARD, EXT.
  • Page 106 Table 6-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/ TI Part No. Disassembly Paragraph FDD, EXT. 90X 9813649-0001 HDD BRACKET ASSY, EXT. 900 6.5.4 9813683-0001 Other Major Assemblies CASE, UPPER, EXT. 90X 6.5.10 9813646-0001 CASE, LOWER, EXT. 90X 6.5.10 9813647-0001 BATTERY, LI-ION, EXT.

  • Page 107: Mobile Productivity Base Assembly

    Table 6-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/ TI Part No. Disassembly Paragraph TOUCHPAD, GND PLATE, EXT. 900 6.5.16 9813690-0001 CABLE, FLEX, LED BOARD, EXT. 90X 6.5.8 9813691-0001 6.4.3 Mobile Productivity Base Assembly The FRU list for the MPB is provided in Table 6-3. The major MPB FRUs are identified in Figure 6-4.

  • Page 108: Notebook Fru Replacement Procedures

    Upper Cover of Mobile Productivity Base Dock Release Lever Lever Release Latch DC-DC Converter Main Board Assembly Dock MPB with Upper Cover Mechanism Removed Figure 6-4 Mobile Productivity Base Major FRUs 6.5 Notebook FRU Replacement Procedures The following paragraphs contain field service-level removal/replacement procedures for the 900 Series Notebook Computers.

  • Page 109: Removing/Replacing The Notebook Battery Pack

    Unplugging the Connecting the Cable Cable Figure 6-5 Removing/Installing Cables with Locking-Type Connectors 6.5.1 Removing/Replacing the Notebook Battery Pack Before performing any of the assembly/disassembly procedures, always disconnect the AC adapter from the notebook and remove all battery packs. The procedure for removing and replacing the notebook battery pack is as follows: Turn off the computer and disconnect the AC adapter from the computer.

  • Page 110: Removing/Replacing Pcmcia Options

    Unlock Battery Pack Remove Battery Unlock the Battery from Front of Notebook Pull Battery Out of Unit Flush If Battery Lock comes off, reinstall as shown Slide Figure 6-6 Notebook Battery Removal/Replacement 6.5.2 Removing/Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows: Turn off the computer and remove the battery pack(s) as described in Paragraph 6.5.1.

  • Page 111: Installing/Removing The Mobile Productivity Base

    Figure 6-7 Installing/Removing PCMCIA Options 6.5.3 Installing/Removing the Mobile Productivity Base The procedure for removing and replacing the Mobile Productivity Base assembly is as follows: Power down the notebook and disconnect the AC adapter if installed. Slide the lever release latch to the front of the MPB to release the docking lever (refer to Figure 6-8).
  • Page 112 Docking/ Undocking Lever Release Lever Latch Left Side Right Side Figure 6-8 Removing/Replacing the MPB The swing lever also pushes the computer up slightly off the MPB allowing you to grasp the computer on the left hand side. Lift the computer up slightly on the left hand side. Hold the computer securely on both ends and pull the computer out of the MPB, left side first as shown in Figure 6-8 Close the lever and close the expansion door on the bottom of the computer.

  • Page 113: Removing/Replacing The Hard Disk Drive Assembly

    Slide the computer into the MPB, right side first, ernsuring that the guides on both the computer and the docking base are securely hooked; then rest the computer on the base. Press and hold down the computer; then swing the lever toward the MPB until the latch release locks the computer in place.

  • Page 114: Removing/Replacing The Keyboard Assembly

    Store the HDD in an antistatic bag. Replacement is the reverse of Steps 1 through 5. 6.5.5 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 115: Remove Keyboard

    Unplug the keyboard connectors (CN5 and CN14) and set aside the Keyboard Assembly. Replacement is essentially the reverse of Steps 1 through 5. 6.5.6 Heat Sink Assembly Removal/Replacement To remove and replace the Heat Sink Assembly, use the following procedure: Turn off the computer;...

  • Page 116: Display Assembly Removal/Replacement

    6.5.7 Display Assembly Removal/Replacement To remove and replace the Display Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 117: Removing/Replacing The Led/Microphone Board Assembly

    6.5.8 Removing/Replacing the LED/Microphone Board Assembly To remove and replace the LED Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 118: Removing/Replacing The Cpu Board

    6.5.9 Removing/Replacing the CPU Board To remove and replace the CPU Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 119: Removing/Replacing The Top Cover

    6.5.10 Removing/Replacing the Top Cover To remove and replace the Top Cover Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.
  • Page 120 Remove keyboard and Heat Sink Assemblies Unplug Speaker Connector CN19 an Remove four Screws remove screws at fo at Bottom of Main Unit corners 4 Beginning at left side, unsnap top cover from base assembly Figure 6-15 Removing/Replacing the Top Cover 6-22 Field Service...

  • Page 121: Removing/Replacing The Vga Video Board

    6.5.11 Removing/Replacing the VGA Video Board To remove and replace the VGA Video Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 122: Removing/Replacing The Power Supply Board

    6.5.12 Removing/Replacing the Power Supply Board To remove and replace the Power Supply Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 123: Removing/Replacing The Dc-In Board Assembly

    6.5.13 Removing/Replacing the DC-In Board Assembly To remove and replace the DC-In Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 124: Removng/Replacing The Pc Card Module

    6.5.14 Removing/Replacing the PC Card Module To remove and replace the PC Card Module Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 125: Removing/Replacing The Main Board Assembly

    6.5.15 Removing/Replacing the Main Board Assembly To remove and replace the Main Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 126: Removing Touchpad And Speakers

    6.5.16 Removing Touchpad and Speakers To remove and replace the Touchpad and Speakers, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 127: Removing/Replacing The Display Bezel

    6.5.17 Removing/Replacing the Display Bezel To remove and replace the Display Bezel Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 128: Removing/Replacing The Lcd

    6.5.18 Removing/Replacing the LCD To remove and replace the LCD, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2. Also disconnect the MPB (Paragraph 6.5.3) if attached. Remove the Display Bezel as described in Paragraph 6.5.17.

  • Page 129: Removing/Replacing The Display Inverter Boards

    6.5.19 Removing/Replacing the Display Inverter Boards To remove and replace the Display Inverter Boards, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 130: Removing/Repalcing Mpb Frus

    6.6 Removing/Replacing MPB FRUs 6.6.1 Removing/Replacing the Media Bay Device To remove and replace a MPB Modular Bay Device (e.g., CD-ROM Drive or Floppy Disk Drive), use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 131: Removing/Replacing The Mpb Battery

    6.6.2 Removing/Replacing the MPB Battery To remove and replace an MPB battery pack or dummy battery pack, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 132: Removing/Replacing The Mpb Housing

    6.6.3 Removing/Replacing the MPB Housing To remove and replace the MPB housing, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 133: Removing/Replacing The Docking Cable

    6.6.4 Removing/Replacing the Docking Cable To remove and replace the MPB Docking Cable, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 134: Removing/Replacing The Docking Mechanism

    6.6.5 Removing/Replacing the Docking Mechanism To remove and replace the MPB Docking Mechanism, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 135: Removing/Replacing The Mpb Dc-Dc Converter

    6.6.6 Removing/Replacing the MPB DC-DC Converter To remove and replace the MPB DC-DC Converter Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 136: Removing/Replacing The Mpb Main Board Assembly

    6.6.7 Removing/Replacing the MPB Main Board Assembly To remove and replace the MPB Main Board Assembly, use the following procedure: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2.

  • Page 137: Appendix A Notebook Schematic Diagrams

    Notebook Schematic Diagrams A.1 Introduction This section contains schematic diagrams for the Extensa 900 Series Notebook Computer. Logic schematics for the Mobile Productivity Base are provided in Appendix B of this manual. Notebook Schematic Diagrams A-1...

  • Page 138: Appendix B Notebook Schematic Diagrams

    Figure A-1 Notebook Main Board Logic Diagrams (Sheet 1 of 30) A-2 Notebook Schematic Diagrams...
  • Page 139 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 2 of 30) Notebook Schematic Diagrams A-3...
  • Page 140 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 3 of 30) A-4 Notebook Schematic Diagrams...
  • Page 141 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 4 of 30) Notebook Schematic Diagrams A-5...
  • Page 142 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 5 of 30) A-6 Notebook Schematic Diagrams...
  • Page 143 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 6 of 30) Notebook Schematic Diagrams A-7...
  • Page 144 DIMM SOCKET DRAM_VCC $MA[0..11] $MD[0..63] $MD[0..63] CN12 $MD0 $MD32 $MD1 $MD33 $MD2 $MD34 $MD3 $MD35 $MD4 $MD36 $MD5 $MD37 $MD6 $MD38 $MD7 $MD39 $CAS#0 $CAS#4 $CAS#1 $CAS#5 $MA0 $MA3 $MA1 $MA4 $MA2 $MA5 $MD8 $MD40 $MD9 $MD41 M+5V $MD10 $MD42 $MD11 $MD43 $MD12...
  • Page 145 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 8 of 30) Notebook Schematic Diagrams A-9...
  • Page 146 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 9 of 30) A-10 Notebook Schematic Diagrams...
  • Page 147 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 10 of 30) Notebook Schematic Diagrams A-11...
  • Page 148 Figure A-1 Motherboard PWB Logic Diagrams (Sheet 11 of 23 ) A-12 Notebook Schematic Diagrams...
  • Page 149 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 12 of 30) Notebook Schematic Diagrams A-13...

  • Page 150: Bios Rom

    SB: ADD DUMMY RESISTER TO U40 PIN 22 R105 10KR3 CX21 SCD1U SD[0..7] SD[0..7] 4,14,15,17,19,20,25 PWRGOOD# PWRGOOD# RTCAS RTCAS RTCRW RTCRW R/W$ RTCDS RTCDS RST$ RX13 RCL$ 14 ENEXTCMOS EXTRAM GAP-OPEN IRQ#8 INT$ @IRQ8# 20,23 DUMMY-R3 R101 DUMMY-R3 BR1225-H1A BQ3285E CAN32768 C213 RB731U...
  • Page 151 KEYBOARD CONTROLLER KBC_5V KBC_5V C154 C153 4,13,15,17,19,20,25 SC1KP SCD1U M+5V SD[0..7] 10KR3 100KR3 SD[0..7] 47KR3 SC:ADD RY1 PULLED-UP KBC_5V M+5V LSM702 KROW8 HOTKEY# HOTKEY# KROW7 3.3V/5V# SCHOKE-D KROW6 KROW5 SUSPEND# 10,11,15 M+5V KROW4 M38813 KROW3 CLLED# DUMMY-R3 CLLED# KROW2 NLLED# NLLED# KROW1 RESON-8MHZ...
  • Page 152 SUPER I/O CONTROLLER 16,21,22 PD[0..7] RP12 RP11 SRN33 SRN33 RP10 1 2 3 4 1 2 3 4 ACK# 16,22 16,22 STROB# BUSY 16,22 16,22 33R3 IRQ[3..7] SLCT 16,22 SRN33 SLCTIN# 16,22 INIT# 16,22 ERROR# 16,21 RSTDRV AUTOFD# C112 SCD1U SRN33 $SIO_24M DCD1...
  • Page 153 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 16 of 30) Notebook Schematic Diagrams A-17...
  • Page 154 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 17 of 30) A-18 Notebook Schematic Diagrams...
  • Page 155 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 18 of 30) Notebook Schematic Diagrams A-19...
  • Page 156 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 19 of 30) A-20 Notebook Schematic Diagrams...
  • Page 157 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 20 of 30) Notebook Schematic Diagrams A-21...
  • Page 158 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 21 of 30) A-22 Notebook Schematic Diagrams...
  • Page 159 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 22 of 30) Notebook Schematic Diagrams A-23...
  • Page 160 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 23 of 30) A-24 Notebook Schematic Diagrams...
  • Page 161 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 24 of 30) Notebook Schematic Diagrams A-25...
  • Page 162 DEBUG-BD GOLDEN FINGER SD[0..15] RP49 SRP10K RSTDRV RSTDRV IOCHRDY# IOCHRDY# RP46 MEMW# IOW# MEMR# IOW# SD15 IOR# RTCROMCS# IOR# RTCROMCS# SD10 SD14 XSA17 XSA17 SD11 SD13 BALE XSA16 BALE XSA16 SD12 SBHE# SBHE# IRQ11 LA19 IRQ11 LA19 SRP100K LA23 LA18 LA23 LA18 LA22...
  • Page 163 PS2 INTERFACE SPOLY100 MLB321611 SRN10K 1 2 3 4 14,21 KBCLK 47R3 MLB321611 14,21 PS2CLK 47R3 MLB321611 14,21 KBDATA 47R3 MLB321611 14,21 PS2DATA 47R3 MLB321611 SC47P SC47P SC47P SC47P SD5339810-6 RP31 SRN10K TOUCHPAD CONNECTOR 1 2 3 4 CN19 SPK_R1 TCLK TDATA SPK_L1...
  • Page 164 CHARGER INTERFACE CIRCUIT BAT+ CN21 +5VSB +5VSB BAT_VS +5VSB +5VSB R253 SMB1_CLK 47KR3 U86F SMB1_DATA BAT_TH C351 C352 AD_IN# AD5V SCD1U SC1KP AD5V R252 SSHC14 RN1424 MOLEX-CON8 150KR3 BATTERY CONNECTOR ADAPTOR PLUG-IN DETECTION CIRCUIT BAT+ BAT+ SMB1_CLK, SMB1_DATA: CHARGER SMB I2C +5VSB R251 CN22...
  • Page 165 LED INTERFACE CHARGE_LED# CHARGE_LED DK_CHG_LED RN1424 RN1424 +5VSB M+5V SCD1U SCD1U SCD1U M+5V +5VSB SB: ADD LOWBAT_LED LOWBAT_LED COVER_SW @COVER_SW POWER_SW2 POWER_SW2 CHARGE_LED# HDD/FDD_LED# NLOCK_LED# NLLED# STANDBY_LED# CLOCK_LED# CLLED# MIC_R INTMIC AUD_GND SD5255917-16 CLOSE TO CONNECTOR R141 10KR3 HDD_LED# HDD/FDD_LED# DK_DISKLED# STNDBY# CLOSE TO AUDIO CHIP...
  • Page 166 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 29 of 30) A-30 Notebook Schematic Diagrams...
  • Page 167 M+5V M+5V M+5V M+5V M+5V U34A U53E U53F U34E U34F U11A U11B SSHC14 SSHC14 SSHC14 SSHC14 SSHC14 SSHC14 SSHC14 M+5V M+5V U12D U19F SSHC14 SSHC14 SSHC14 SSHC14 SSHCT04 M+5V M+5V M+5V U64A U67B U67C U67D SSHC32 SSHC32 SSHC32 SSHCT74 +5VSB +5VSB U54A U91C...

  • Page 169: Introduction

    MPB Schematic Diagrams B.1 Introduction This section contains schematic diagrams for the Extensa 900 Mobile Productivity Base. Logic schematics for the MPB are provided in Appendix A of this manual. MPB Schematic Diagrams B-1...
  • Page 170 Figure B-1 MPB CPU Board Logic Diagrams (Sheet 1 of 3) B-2 MPB Schematic Diagrams...
  • Page 171 Figure B-1 MPB CPU Board Logic Diagrams (Sheet 2 of 3) MPB Schematic Diagrams B-3...

  • Page 172: Thermal Sensor

    VCC_CPU SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U VCC_CPU SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U SCD1U CPU_VOLT0 CPU_VEND 36KR3D CPU_ID3 CPU_VOLT1 CPU_ID2 CPU_ID1 CPU_ID0 CPU_THM TH301 CPU_THMG FOR SHIGA Not Installed SHIVA NOT INS. CPU_THM SHIVA SHIGA SHIGA 10KR3 SCD1U CLOCK...
  • Page 173 CLOSE BATTRY CONN. PIN1 AMP-CON8 SC1000P50V3MX SC1000P50V3MX MOLEX-CON8 SC1000P50V3MX SC1000P50V3MX SC1000P50V3MX SC1000P50V3MX Figure B-2 MPB Battery Board Logic Diagrams (Sheet 1 of 1) MPB Schematic Diagrams B-5...
  • Page 174 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 1 of 10) B-6 MPB Schematic Diagrams...
  • Page 175 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 2 of 10) MPB Schematic Diagrams B-7...
  • Page 176 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 3 of 10) B-8 MPB Schematic Diagrams...

  • Page 177: Audio Amp

    T329 TP329 R102 DUMMY-R3 T332 R101 TP332 TP-1 100KR3 TP-1 T330 DK_PJIN# SCD1U SC1KP DK_PJIN# 1,10 TP-1 TP330 2N7002 TP-1 TP328 TP-1 T333 TP333 CN13 LINE_OUT_L T328 LINE_OUT_R R162 DK_LINEIN_L AMP_5V 1KR6 DK_LINEIN_R R159 DK_MIC DK_MIC_PJIN SCD1U 1KR6 SCHOKE-D HRS-CONN20D BZX84C4V3L AUD_GND SC100P...
  • Page 178 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 5 of 10) B-10 MPB Schematic Diagrams...
  • Page 179 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 6 of 10) MPB Schematic Diagrams B-11...
  • Page 180 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 7 of 10) B-12 MPB Schematic Diagrams...
  • Page 181 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 8 of 10) MPB Schematic Diagrams B-13...
  • Page 182 15V/1.1A TP117 SPOLY100 MLB321611 SMD100 MLB321611 CN11 TP42 SSHC00 KBCLK 47R3 TP41 KBDATA 47R3 MLB321611 1,10 KBMS-CONN SC47P SC47P KEYBOARD CONN SSHC00 SMD100 TP38 SPOLY100 MLB321611 CN12 15V/1.1A TP40 PS2CLK 47R3 TP39 MLB321611 PS2DATA 47R3 1,10 SSHC00 MLB321611 KBMS-CONN SC47P SC47P U12C MOUSE CONN...
  • Page 183 Figure B-3 MPB Main Board (Motherboard) Logic Diagrams (Sheet 10 of 10) MPB Schematic Diagrams B-15...

  • Page 184: Vga Board Connector

    RGBGND RGBGND CRT_VS CRT_R CRT_VS CRT_R CRT_HS CRT_G CRT_HS CRT_G CRT_B CRT_B DDC_DATA DDC_CLK 9 10 SCD1U ENAVEE ENAVEE SCD1U LCDVEE DISPLAY ZV_PCLK ZV_PCLK SCD1U DISPLAY ZV_HREF ZV_HREF SCD1U FRAME# ZV_VREF ZV_VREF Y[0..7] Y[0..7] UV[0..7] UV[0..7] AD10 AD11 C/BE#0 C/BE#[0..3] AD[0..31] AD[0..31] AD12...
  • Page 185 Figure B-4 MPB VGA Board Logic Diagrams (Sheet 2 of 5) MPB Schematic Diagrams B-17...
  • Page 186 Figure B-4 MPB VGA Board Logic Diagrams (Sheet 3 of 5) B-18 MPB Schematic Diagrams...
  • Page 187 R[0..7] SUD[0..7] 10R3 22R3 STC222B 22R3 SC47P SUD3 SUD2 SUD0 SUD1 SUD7 SUD6 SUD4 SUD5 22R3 LCDVEE LCDPWR 100KR3 LCD_3/5V# LCD_3/5V# SC10U16V SCD1U JAE-CONN80C +3.3V +3.3V U13A SCD1U U13B DISPLAY SRP1K-2 SSHC04 SSHC04 SUD0 LVC ,VHC OR LCX SUD1 SUD4 SUD2 SUD5 SUD3...
  • Page 188 Figure B-4 MPB VGA Board Logic Diagrams (Sheet 5 of 5) B-20 MPB Schematic Diagrams...
  • Page 189 Figure B-5 MPB DC In Board Logic Diagrams (Sheet 1 of 1) MPB Schematic Diagrams B-21...
  • Page 190 +5VSB M+5V MICROPHONE LED2 NLOCK_LED 1KR3 LED-G NUMBER LOCK CLOCK_LED LED3 STANDBY_LED CLOCK_LED NLOCK_LED HDD/FDD_LED CHARGE_LED 1KR3 LED-G CAPS LOCK POWER_SW2 COVER_SW POWER_LED LED1 POWER_LED 1KR3 LED-G POWER LED MOLEX-CON16 LED6 STANDBY_LED 1KR3 LED-G STANDBY LED +5VSB COVER_SW LED4 CHARGE_LED SW-SPVE1 1KR3 LED-G...

  • Page 191: Appendix A Post Bios

    POST BIOS C.1 Introduction This section contains a listing of the POST BIOS calls for the Extensa 900 Series Notebook. ;---------------------------------------------------------------------------- ; Make sure we entered POST in real mode ; Determine the CPU type ; Convert all segment limits to 4GB ;---------------------------------------------------------------------------- 002H post Verify Real Mode 004H cpu Get Type J...
  • Page 192 01AH post Dma InitJ, FAR 01CH post Reset PIC ;---------------------------------------------------------------------------- ; Test the keyboard controller ; Compute the CPU clock speed ; Test the CMOS RAM ;---------------------------------------------------------------------------- 022H post I8742 Test, FAR 032H post Compute Speed, FAR 034H post Cmos Test, FAR ;---------------------------------------------------------------------------- ;...
  • Page 193 ; Display prompt "Press F2 to enter SETUP" ;---------------------------------------------------------------------------- 04BH quiet Boot Start, OPTIONAL, FAR 04EH post Copyright Display, FAR 050H cpu Display, FAR 051H eisa Init, OPTIONAL 05AH post Display F2 Message, FAR ;---------------------------------------------------------------------------- ; Disable the CPU cache ;...
  • Page 194 094H post Disable A20, FAR 080H io Before Init, OPTIONAL 085H pci Init Pcc, OPTIONAL 082H io RS232 Test Code 084H io Parallel Test Code 086H io After Init ;---------------------------------------------------------------------------- ; Initialize Bios Data Area and Extended Bios Data Area ;...
  • Page 195 0B0H post Error Check, FAR 0B2H post Done, FAR 0B4H post One Beep, FAR 0B5H quiet Boot End, OPTIONAL, FAR 0B6H feat Check Password, OPTIONAL, FAR ;---------------------------------------------------------------------------- ; Shutdown 4 is a boot retry ;---------------------------------------------------------------------------- post Shutdown Four TableLABELpost Proc ;---------------------------------------------------------------------------- ;Clear parity checkers ;Optionally clear the screen...

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