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MiTAC 8081 Service Manual

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SERVICE MANUAL FOR
SERVICE MANUAL FOR
SERVICE MANUAL FOR
Repair Technology Research Department /EDVD
Repair Technology Research Department /EDVD
8081
8081
8081
8081
8081
8081
8081
8081
8081
8081
8081
8081
BY:
Sissel Diao
Sissel Diao
Jul. 2003

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  • Page 1 SERVICE MANUAL FOR SERVICE MANUAL FOR SERVICE MANUAL FOR 8081 8081 8081 8081 8081 8081 8081 8081 8081 8081 8081 8081 Sissel Diao Sissel Diao Repair Technology Research Department /EDVD Repair Technology Research Department /EDVD Jul. 2003...

  • Page 2: Table Of Contents

    1.4 Peripheral Components ……………………………………………………………………………………………. 1.5 Power Management ………………………………………………………………………………………………… 1.6 Appendix 1 : Intel 82801DBM ICH4-M GPIO Definitions ……………………………………………………… 1.7 Appendix 2 : MiTAC 8081 Product Specification ……………………………………………………………….. 2. System View and Disassembly ………………………………………………………………………... 2.1 System View ………………………………………………………………………………………………………… 2.2 System Disassembly …………………………………………………………………………………………………...
  • Page 3 8081 N/B Maintenance 8081 N/B Maintenance Contents 5.2 Intel 82855GM Memory Controller Hub (GMCH) ……………………………………………………………… 5.3 Intel 82801DBM I/O Controller Hub Mobile (ICH4-M) ………………………………………………………… 6. System Block Diagram ………………………………………………………………………………... 7. Maintenance Diagnostics ……………………………………………………………………………… 7.1 Introduction ………………………………………………………………………………………………………… 7.2 Error Codes ………………………………………………………………………………………………………….
  • Page 4 8081 N/B Maintenance 8081 N/B Maintenance Contents 9. Spare Parts List ……………………………………………………………………………………….. 10. System Exploded Views ……………………………………………………………………………… 11. Circuit Diagram ……………………………………………………………………………………… 12. Reference Material …………………………………………………………………………………...

  • Page 5: Hardware Engineering Specification

    This document describes the brief introduction for MiTAC 8081 portable notebook computer system. 1.1.2 System Overview The MiTAC 8081 model is designed for Intel Banias/Dothan processor with 400MHz FSB with Micro-FCPGA package. It can support Banias 1.3GHz~1.7GHz CPU/Dothan CPU with 1.8GHz or above.
  • Page 6 8081 N/B Maintenance 8081 N/B Maintenance The Montara-GM GMCH Host Memory Controller integrates a high performance host interface for Intel Banias processor, a high performance 2D/3D Graphic Engine, a high performance memory controller, Digital Video port (DVOB & DVOC) interface, and Intel Hub interface Technology connecting with Intel 82801DBM ICH4-M.
  • Page 7 8081 N/B Maintenance 8081 N/B Maintenance The NS PC87393 LPC Super I/O device is targeted for a wide range of portable applications. PC99 and ACPI compliant, it also incorporates: a Floppy Disk Controller (FDC), two enhanced Serial Ports (UARTs), one with Fast Infrared (FIR, IrDA 1.1 compliant), General-Purpose Input/Output (GPIO) support for a total of 32 ports, Interrupt...
  • Page 8 8081 N/B Maintenance 8081 N/B Maintenance A full set of software drivers and utilities are available to allow advanced operating systems such as Windows ME, Windows 2000 and Windows XP to take full advantage of the hardware capabilities. Features such as bus mastering IDE, Plug and Play, Advanced Power Management (APM) with application restart, software-controlled power shutdown.

  • Page 9: Hardware System

    8081 N/B Maintenance 8081 N/B Maintenance 1.2 Hardware System 1.2.1 CPU Module Intel Banias/Dothan Processors with 478 pins Micro-FCPGA package . The first Intel mobile processor with the Intel NetBurst micro-architecture which features include hyper- pipelined technology, a rapid execution engine, a 400MHz system, an execution trace cache, advanced dynamic execution, advanced transfer cache, enhanced floating point and multi-media unit, and Streaming SIMD Extensions 2 (SSE2).
  • Page 10 8081 N/B Maintenance 8081 N/B Maintenance 1.2.2 Synthesizer System frequency synthesizer: ICS950810 Programmable output frequency, divider ratios, output rise/fall time, output skew. Programmable spread percentage for EMI control. Watchdog timer technology to reset system if system malfunctions. Programmable watchdog safe frequency.
  • Page 11 8081 N/B Maintenance 8081 N/B Maintenance to integrated GUI, Montara-GM GMCH also can support external AGP slot with AGP 1X/2X/4X capability and Fast Write Transactions. A high bandwidth and mature Intel®’ I/O Hub architecture is incorporated to connect Montara-GM GMCH and INTEL 82801DBM ICH4-Mtogether. Intel®’ I/O Hub architecture is developed into three layers, the Multi-threaded I/O Link Layer delivering 1.2GB bandwidth to connect embedded DMA Master...
  • Page 12 8081 N/B Maintenance 8081 N/B Maintenance - AGTL+ bus driver technology with integrated GTL termination resistors and low voltage operation (1.05V) ® - Supports Enhanced Intel SpeedStep Technology (EIST) and Geyserville III - Support for DPWR# signal to Banias processor for PSB power management Memory System - Directly supports one DDR channel, 64-bts wide (72-b with ECC).
  • Page 13 8081 N/B Maintenance 8081 N/B Maintenance - Software DVD at 60 fields/second and 30 frames/second full screen - Support for 720x480 pixel resolution DVD quality encoding at low CPU utilization - Video Overlay - Single high quality scalable overlay and second Sprite to support second overlay...
  • Page 14 8081 N/B Maintenance 8081 N/B Maintenance -- Variety of DVO devices channel -- Compliant with DVI Specification 1.0, thereby providing support for a flat panel up to 2048x1536 pixel resolution, or digital CRT up to 1920x1080 pixel resolution - Dedicated LFP (local flat panel) interface...
  • Page 15 8081 N/B Maintenance 8081 N/B Maintenance - Programmable 64*64 3-color Transparent cursor - Color Space Conversion - 3 Operand Raster BLTs - 8-bit, 16-bit, and 32-bit color - ROP support - DIB translation and Linear/Title addressing - 3D Graphics Engine...
  • Page 16 8081 N/B Maintenance 8081 N/B Maintenance - Twelve Level of Detail MIP Map Sizes from 1x1 to 2Kx2K - Numerous Texture formats including 32-bit RGBA - Alpha and Luminance Maps - Texture Chromakeying - Bilinear, Trilinear, Anisotropic MIP-Mapped Filtering - Cubic Environment Reflection Mapping...
  • Page 17 8081 N/B Maintenance 8081 N/B Maintenance - Destination Alpha - Vertex Cache - Maximum 3D resolution of 1600x1200 x32 bpp at 85 Hz - Optimal 3D resolution supported - Fast Clear support - ROP support HUB Interface for ICH4 - 266 MB/s point to point hub interface to ICH4-M...
  • Page 18 16-bit counters channels 5-7, hardwired keyboard controller and PS2 mouse interface (not use in MiTAC 8080 model), Real Time clock with 512Bytes CMOS SRAM and two 82C59 compatible Interrupt controllers. Besides, the I/O APIC managing up to 14 interrupts with both Serial and FSB interrupt delivery modes is...
  • Page 19 8081 N/B Maintenance 8081 N/B Maintenance The integrated power management module incorporates the ACPI 1.0b compliance functions, the APM 1.2 compliance functions, and the PCI bus power management interface spec. v1.1. Numerous power-up events and power down events are also supported. 21 general purposed I/O pins are provided to give an easy to use logic for specific application.
  • Page 20 8081 N/B Maintenance 8081 N/B Maintenance Ultra ATA/100/66/33, BMIDE and PIO modes Tri-state modes to enable swap bay Includes three UHCI host controllers that support six external ports New: Includes one EHCI high-speed USB 2.0 Host Controller that supports all six ports New: Supports a USB 2.0 high-speed debug port...
  • Page 21 8081 N/B Maintenance 8081 N/B Maintenance Supports serial interrupt protocol Supports processor system bus interrupt delivery New: 1.5 V operation with 3.3 V I/O 5 V tolerant buffers on IDE, PCI, USB over current and legacy signals Timers Based on 82C54 System timer, refresh request, speaker tone output Power Management Logic ACPI 2.0 compliant...
  • Page 22 8081 N/B Maintenance 8081 N/B Maintenance 1.2.5 Super I/O_NS PC87393 National Semiconductor’s PC8739x family of LPC Super I/O devices is targeted for a wide range of portable applications. PC99 and ACPI compliant, the PC8739x family features an X-Bus Extension for read and write operations over the X-Bus, a full IEEE 1284 Parallel Port with a Parallel Port Multiplexer (PPM) for external Floppy Disk Drive (FDD) support, a Musical Instrument Digital Interface (MIDI) port, and a Game port.
  • Page 23 8081 N/B Maintenance 8081 N/B Maintenance 1.2.7 Fast Ethernet Controller VT6105LOM The VIA Rhine III VT6105LOM is a 10/100Mbps Fast Ethernet controller designed to provide system designers an easy to integrate single chip solution, with advanced management and power conservation features. Featuring a 3-in-1 design the VIA VT6105LOM integrates the physical, media, and management layers into a single chip.
  • Page 24 8081 N/B Maintenance 8081 N/B Maintenance Fiber Optic network support (VT6105LOM) WFM 2.0 (VT6105LOM) DMI 2.0 (H/W) IO 3.3v with PCI bus 5V tolerant / Core 2.5v power, using low power 0.22um TSMC CMOS process, 128pin PQFP package. 1.2.8 Fax/Modem module Made by Billionton Computer corporation Integrated PCI v2.2 Interface...
  • Page 25 8081 N/B Maintenance 8081 N/B Maintenance 1.2.9 PCMCIA Controller R5C551 + G571 R5C551 The R5C551 is the single chip solution offering single PCI bus-PC Card Bridge. The R5C551 is compliant with the latest specification in both PC card and IEEE 1394. The R5C551 has two PCI functions compliant, the PC Card interface and the IEEE 1394 interface.
  • Page 26 8081 N/B Maintenance 8081 N/B Maintenance 1394 PHY System Interrupt Supports General Purpose IO Supports Posting Write and Prefetching Read for PC Card bridge Supports 16-bit Legacy mode (3E0/3E2 I/O port) Supports Zoomed Video Port Supports LED active pins for Card LED and 1394 LED Pin Compatible with R5C475 208pin CSP (size=16x16mm, pitch=0.8mm, t=1.5mm)
  • Page 27 8081 N/B Maintenance 8081 N/B Maintenance 1.2.10 AC”97 Codec_CMI9738-S Features :   Intel AC’97 (Rev 2.2) compatible, meeting Microsoft’s PC2001 requirements Built-in earphone buffer and internal PLL, the latter saving additional crystal. Line-in/rear out share the same jack. Digital S/PDIF IN/OUT support 48 LQFP package.
  • Page 28 8081 N/B Maintenance 8081 N/B Maintenance 1.2.12 Thermal Sensor_ADM1021A On-Chip and Remote Temperature Sensing No Calibration Necessary 1_C Accuracy for On-Chip Sensor 3_C Accuracy for Remote Sensor Programmable Over/Under Temperature Limits Programmable Conversion Rate 2-Wire SMBus Serial Interface Supports System Management Bus (SMBus) Alert...

  • Page 29: Other Functions

    8081 N/B Maintenance 8081 N/B Maintenance 1.3 Other Functions 1.3.1 Hot Key Function Keys Feature Meaning combination Fn + F1 Enable/disable wireless LAN card signal To switch wireless LAN card signal on/off Fn + F2 Reserve Fn + F3 Volume Down with repeating function KBC will send scan code to OS.
  • Page 30 8081 N/B Maintenance 8081 N/B Maintenance In APM mode, we only support Fn+F5, Fn+F6, Fn+F7, Fn+F11. In ACPI mode, we support all hotkey function. Note1 : When play DVD or mpeg file, press Fn+F5 no function. Because VGA BIOS block display switching when Note2 : DVD active.

  • Page 31: Cover Switch

    8081 N/B Maintenance 8081 N/B Maintenance 1.3.3 Cover Switch System automatically provides power saving by monitoring Cover Switch. It will save battery power and prolong the usage time when user closes the notebook cover. At ACPI mode there are four functions to be chosen at windows power management control panel.
  • Page 32 8081 N/B Maintenance 8081 N/B Maintenance LED Color Description AC POWER Power-off Green Normal operation Flash Green System was in stand—by mode BATTERY Battery not exists STATUS Green Battery was full charged (Note #1) Orange Battery was in charging Flash Red...

  • Page 33: Cmos Battery

    8081 N/B Maintenance 8081 N/B Maintenance 1.3.4.2 Five LED indicators at front side: From left to right that indicates CD-ROM/HARD DISK DRIVE, NUM LOCK, CAPS LOCK and SCROLL LOCK. 1.3.5 Fan Power On/Off Management FAN is controlled by H8 embedded controller using ADM1021A to sense CPU temperature and PWM control fan speed.
  • Page 34 8081 N/B Maintenance 8081 N/B Maintenance 1.3.7 I/O Port One Power Supply Jack. One External CRT Connector For CRT Display Supports four USB2.0 port for all USB devices. One MODEM RJ-11 phone jack for PSTN line One RJ-45 for LAN.

  • Page 35: Peripheral Components

    8081 N/B Maintenance 8081 N/B Maintenance 1.4 Peripheral Components 1.4.1 LCD Panel QDI 14.1" QD141X1LH12 AU 14.1" B141XN04-2 1.4.2 Ext. Floppy Disk Drive External USB 3.5” Mitsumi : D353FUE FDD (Option) 1.4.3 HDD Fujitsu : 30GB : MHT2030AT Hitachi Global : 30G : IC25N030ATMR04-0 1.4.4 CD ROM Drive...
  • Page 36 8081 N/B Maintenance 8081 N/B Maintenance 1.4.5 DVD ROM Drive Quanta : SDR-083 MKE : SR-8178 1.4.6 DVD COMBO Drive Quanta : SBW-242 KME : UJDA750 1.4.7 DVD RW Drive KME : UJDA811 1.4.8 Keyboard US K/B - Zippy 1.4.9 Track Pad...

  • Page 37: Power Management

    N/B Maintenance 1.5 Power Management The MiTAC 8081 system has built in several power saving modes to prolong the battery usage for mobile purpose. User can enable and configure different degrees of power management modes via ROM CMOS setup (booting by pressing F2 key).
  • Page 38 8081 N/B Maintenance 8081 N/B Maintenance 1.5.1.3 Standby Mode For more power saving, it turns off the peripheral components. In this mode, the following is the status of each device: CPU: Stop grant LCD: backlight off HDD: spin down 1.5.1.4 Suspend to DRAM and HDD The most chipset of the system is entering power down mode for more power saving.

  • Page 39: Other Power Management Functions

    8081 N/B Maintenance 8081 N/B Maintenance - System status is saved in HDD - All system status will be restored when powered on again 1.5.2 Other Power Management Functions 1.5.2.1 HDD & Video Access System has the ability to monitor video and hard disk activity. User can enable monitoring video and/or hard disk individually.

  • Page 40: Appendix 1: Intel 82801Dbm Ich4-M Gpio Definitions

    8081 N/B Maintenance 8081 N/B Maintenance 1.6 Appendix 1: Intel 82801DBM ICH4-M GPIO Definitions Pin Name MUX Function GPIO Function Power Plane Pin Name MUX Function GPIO Function Power Plane GPIO23 MAIN GPIO0 CRT_IN# MAIN GPIO1 MAIN GPIO24 PCLKRUN# GPIO...

  • Page 41: Appendix 2: Mitac 8081 Product Specification

    8081 N/B Maintenance 8081 N/B Maintenance 1.7 Appendix 2: MiTAC 8081 Product Specification - Intel Banias /Dothan Processor CPU Support 1.8GHz or above - FSB 400MHz Chipset - Montara-GM + ICH4-M L2 Cache - 1M(Banias) /2M(Dothan) System BIOS - 4M bit Flash memory Flash (Include System BIOS and VGA BIOS)

  • Page 42: System View And Disassembly

    8081 N/B Maintenance 8081 N/B Maintenance 2. System View and Disassembly 2.1 System View 2.1.1 Front View Device LED indicator 1394 Jack Line Out Phone Jack External Microphone Jack Top Cover Latch 2.1.2 Left-side View VGA Port Ventilation Openings RJ-11 Connector...
  • Page 43 8081 N/B Maintenance 8081 N/B Maintenance 2.1.3 Right-side View CD-ROM/DVD-ROM Drive USB Ports *2 Power Connector 2.1.4 Rear View USB Ports *2 Kensington Lock...
  • Page 44 8081 N/B Maintenance 8081 N/B Maintenance 2.1.5 Bottom View Hard Disk Drive Modem Card Battery Park Wireless Card 2.1.6 Top-open View LCD Screen Stereo Speaker Set Power Button Touch Pad Keyboard Hard Disk Drive Indicator Battery Power Charging Indicator Power Indicator...

  • Page 45: System Disassembly

    8081 N/B Maintenance 8081 N/B Maintenance 2.2 System Disassembly The section discusses at length each major component for disassembly/reassembly and show corresponding illustrations. Use the chart below to determine the disassembly sequence for removing components from the notebook. NOTE: Before you start to install/replace these modules, disconnect all peripheral devices and make sure the notebook is not turned on or connected to AC power.

  • Page 46: Battery Pack

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.1 Battery Pack Disassembly 1. Carefully put the notebook upside down. 2. Slide the two release lever outwards to the “unlock” ( ) position ( ), while take the battery pack out of the compartment ( ).
  • Page 47 8081 N/B Maintenance 8081 N/B Maintenance 2.2.2 Keyboard Disassembly 1. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove one screw that secure the speaker cover. (Figure 2-2) 3. Open the top cover. 4. Remove the speaker cover. (Figure 2-3)
  • Page 48 8081 N/B Maintenance 8081 N/B Maintenance 5. Remove three screws that secure the keyboard cover. (Figure 2-4) 6. Slightly lift up the keyboard and disconnect the cable from the system board to detach the keyboard. (Figure 2-5) Figure 2-4 Remove three screws...
  • Page 49 8081 N/B Maintenance 8081 N/B Maintenance 2.2.3 CPU Disassembly 1. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove two screws fastening the heatsink cover. (Figure 2-6) 3. Remove four spring screws that secure the heatsink upon the CPU. (Figure 2-7)
  • Page 50 8081 N/B Maintenance 8081 N/B Maintenance 4. Disconnect the fan’s power cord from system board. (Figure 2-8) 5. To remove the existing CPU, Loosen the screw by a flat screwdriver,upraise the CPU socket to unlock the CPU. (Figure 2-9) Figure 2-8 Remove the fan’s...

  • Page 51: Hdd Module

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.4 HDD Module Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove two screws fastening the HDD compartment cover. (Figure 2-10) 3. Slide the HDD module out of the compartment. (Figure 2-11)
  • Page 52 8081 N/B Maintenance 8081 N/B Maintenance 4. Remove four screws to To separate the hard disk drive from the bracket, remove four screws. (Figure 2-12) Figure 2-12 Remove hard disk drive Reassembly 1. Attach the bracket to hard disk drive and secure with four screws.
  • Page 53 8081 N/B Maintenance 8081 N/B Maintenance 2.2.5 CD/DVD-ROM Drive Disassembly Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove two screws fastening the CD/DVD-ROM drive. (Figure 2-13) 3. Insert a small rod, such as a straightened paper clip, into CD/DVD-ROM drive’s manual eject hole ( ) and push firmly to release the tray.

  • Page 54: Modem Card

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.6 Modem Card Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to section 2.2.1 Disassembly) 2. Remove one screw fastening modem card’s compartment cover. (Figure 2-15) 3. Remove two screws fastening the modem card. (Figure 2-16)
  • Page 55 8081 N/B Maintenance 8081 N/B Maintenance 4. Lift up the modem card and disconnect the cord. (Figure 2-17) Figure 2-17 Disconnect the cord Reassembly 1. Reconnect the cord and fit the modem card. 2. Fasten the modem card by two screws.

  • Page 56: Wireless Card

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.7 Wireless Card Disassembly 1. Carefully put the notebook upside down. Remove the battery pack. (Refer to sections 2.2.1 Disassembly) 2. Remove the two screws fastening the Mini PCI compartment cover. (Figure 2-18) 3. Disconnect the wireless card’s antennae first ( ). Then pull the retaining clips outwards ( ) and remove the wireless card ( ).

  • Page 57: Lcd Assy

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.8 LCD ASSY Disassembly 1. Remove the battery pack, keyboard, hard disk drive and CD/DVD-drive. (See sections 2.2.1,2.2.2 , 2.2.4 and 2.2.5 Disassembly) 2. Remove the seventeen screws on the bottom of notebook. (Figure 2-20) 3.
  • Page 58 8081 N/B Maintenance 8081 N/B Maintenance 4. Disconnect the antennae. (Figure 2-22) Figure 2-22 Disconnect the antennae Figure 2-23 Remove two screws 5. Remove the two screws that secure the hinge cover (Figure 2-23)
  • Page 59 8081 N/B Maintenance 8081 N/B Maintenance 6. Remove the two rear covers. (Figure 2-24) 7. Remove three screws. And disconnect the touch pad’s cable. Then separate the top cover. (Figure 2-25) Figure 2-24 Remove two rear covers Figure 2-25 Remove the top cover...
  • Page 60 8081 N/B Maintenance 8081 N/B Maintenance 8. Remove the two hinge covers and disconnect two cables. (Figure 2-26) 9. Remove four screws and disconnect two cables. Carefully pull the antenna wires out. (Figure 2-27) Figure 2-26 Remove two hinge covers Figure 2-27 Remove four screws 10.
  • Page 61 8081 N/B Maintenance 8081 N/B Maintenance Reassembly 1. Attach the LCD assembly to the base unit and secure with four screws. 2. Rip the antenna wires back into Min-PCI compartment. 3. Reconnect the two cables to the system board. Screw the hinge covers by two screws.

  • Page 62: Inverter Board

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.9 Inverter Board Disassembly 1. Remove the battery, keyboard, hard disk drive, CD/DVD-ROM drive and LCD assembly. (Refer to section 2.2.1, 2.2.2, 2.2.4, 2.2.5 and 2.2.8 Disassembly) 2. Remove the two rubber pads and two screws on the corners of the panel. (Figure 2-28) 3.
  • Page 63 8081 N/B Maintenance 8081 N/B Maintenance 5. To remove the inverter board on the lower part of the LCD housing , disconnect two cables. (Figure 2-30) Figure 2-30 Remove the inverter board Reassembly 1. Reconnect the cables. Fit the inverter board back into place and secure with two screws.

  • Page 64: Lcd Panel

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.10 LCD Panel Disassembly 1. Remove the battery, keyboard, hard disk drive and LCD assembly. (Refer to sections 2.2.1, 2.2.2, 2.2.4 and 2.2.8 Disassembly) 2. Remove the LCD cover. (Refer for two steps 2,3 of section 2.2.9 Disassembly) 3.
  • Page 65 8081 N/B Maintenance 8081 N/B Maintenance 5. Remove the four screws to free the LCD panel. (Figure 2-33) Figure 2-33 Free the LCD panel Reassembly 1. Attach the LCD panel’s bracket back to LCD panel and secure with four screws.

  • Page 66: System Board

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.11 System Board Disassembly 1. Remove the battery, keyboard, hard disk drive, CPU, CD/DVD-ROM drive and modem card. (Refer to sections 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6 Disassembly) 2. Remove the top cover approach the system board. (Refer to steps 1-7 of section 2.2.8 Disassembly) 3.
  • Page 67 8081 N/B Maintenance 8081 N/B Maintenance 5. Remove two hex nuts and disconnect two speaker’s cords from system board. (Figure 2-36) 6. Carefully put the system board upside down. And remove one screw. Then separate the bracket. (Figure 2-37) Figure 2-36 Remove two hex nuts...
  • Page 68 8081 N/B Maintenance 8081 N/B Maintenance 7. Now you can separate the D/D board from system board. (Figure 2-38) Figure 2-38 Free the system board Reassembly 1. Replace the D/D board to the system board. 2. Fit the bracket and secure with one screw and two hex nuts.

  • Page 69: Touch Pad

    8081 N/B Maintenance 8081 N/B Maintenance 2.2.12 Touch Pad Disassembly 1. Remove the battery pack, keyboard, hard disk drive and CD/DVD-drive. (See sections 2.2.1,2.2.2 , 2.2.4 and 2.2.5 Disassembly) 2. Remove the top cover. (See steps 1-7 in section 2.2.7 Disassembly) 3.

  • Page 70: Definition & Location Of Connectors / Switches

    8081 N/B Maintenance 8081 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.1 Main Board (Side A) J501 : External VGA Connector J504 J502 : CPU Fan Connector J508 J503 : Extend DDR SDRAM Socket J504 : Secondary EIDE Connector...
  • Page 71 8081 N/B Maintenance 8081 N/B Maintenance 3. Definition & Location of Connectors/ Switches 3.1 Main Board (Side B) J1 : Internal Left Speak Connector J2 : LCD Inverter Board Connector J3 : LCD Connector J4 : DC to DC Board Connector...

  • Page 72: Dc To Dc Board

    8081 N/B Maintenance 8081 N/B Maintenance 3. Definition & Location of Connectors / Switches 3.2 DC to DC Board J1 : USB Port Connector J2 : USB Port Connector J4 : DC to DC Board Connector PJ1 : Power Jack...

  • Page 73: Definition & Location Of Major Components

    8081 N/B Maintenance 8081 N/B Maintenance 4. Definition & Location of Major Components 4.1 Main Board (Side A) U502 : Intel 82855 MCH (Montara-GM) U506 : ICS950810 Clock Generator U511 U507 : On Board DDR RAM U523 U508 : On Board DDR RAM...
  • Page 74 8081 N/B Maintenance 8081 N/B Maintenance 4. Definition & Location of Major Components 4.1 Main Board (Side B) U1 : On Board DDR RAM U2 : On Board DDR RAM U3 : On Board DDR RAM U4 : On Board DDR RAM...

  • Page 75: Pin Descriptions Of Major Components

    8081 N/B Maintenance 8081 N/B Maintenance 5. Pin Descriptions of Major Components 5.1 Intel Banias Pentium M Processor Signal Name Type Description Signal Name Type Description A[31:3]# (Address) define a 2 32 -byte physical memory address space. BPRI# (Bus Priority Request) is used to arbitrate for ownership of the...
  • Page 76 8081 N/B Maintenance 8081 N/B Maintenance 5.1 Intel Banias Pentium M Processor Signal Name Type Description Signal Name Type Description DBSY# (Data Bus Busy) is asserted by the agent responsible for driving DPWR# is a control signal from the Intel 855PM and Intel 855GM...
  • Page 77 8081 N/B Maintenance 8081 N/B Maintenance 5.1 Intel Banias Pentium M Processor Signal Name Type Description Signal Name Type Description INIT# (Initialization), when asserted, resets integer registers inside the PWRGOOD (Power Good) is a processor input. The processor requires INIT# PWRGOOD processor without affecting its internal caches or floating-point registers.
  • Page 78 8081 N/B Maintenance 8081 N/B Maintenance 5.1 Intel Banias Pentium M Processor Signal Name Type Description Signal Name Type Description Processor core power supply. SMI# (System Management Interrupt) is asserted asynchronously by SMI# VCCA provides isolated power for the internal processor core PLL’s.

  • Page 79: Intel 82855Gm Memory Controller Hub (Gmch)

    8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) Host Interface Signals (Continued) Host Interface Signals Signal Name Type Description Signal Name Type Description Dynamic Bus Inversion: Driven along with the HD[63:0]# signals. Address Strobe: The system bus owner asserts ADS# to indicate...
  • Page 80 8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) DDR SDRAM Interface Signals(Continued) Host Interface Signals (Continued) Signal Name Type Description Signal Name Type Description Write Enable: Used with SCAS# and SRAS# (along with SCS#) to Host Request Command: Defines the attributes of the request.
  • Page 81 8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) Hub Interface Signals Clock Signals (Cotinued) Signal Name Type Description Signal Name Type Description Packet Data: Data signals used for HI read and write operations.
  • Page 82 8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) Dedicated LVDS LCD Flat Panel Interface Signals (Continued) Digital Video Output C (DVOC) Port Signals Signal Name Type Voltage Description Signal Name Type Description 1.25 V±...
  • Page 83 8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) GPIO Signals (Continued) Analog CRT Display Signals GPIO I/F Total Type Comments Signal Name Type Description SSC Chip Clock Control: Can be used to control an external clock...
  • Page 84 8081 N/B Maintenance 8081 N/B Maintenance 5.2 Intel 82855GM Graphics and Memory Controller Hub (GMCH) Voltage Reference, PLL Power Signals (Continued) Voltage Reference, PLL Power Signals Signal Name Type Description Signal Name Type Description Hub Interface Host Processor Analog Hub Interface RCOMP: This signal is connected to a reference Analog Host RCOMP: Used to calibrate the Host AGTL+ I/O buffers.

  • Page 85: Intel 82801Dbm I/O Controller Hub Mobile (Ich4-M)

    8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) Hub Interface Signals Firmware Hub Interface Signals Signal Name Type Description Signal Name Type Description Firmware Hub Signals. Muxed with LPC address signals. HI[11:0] Hub Interface Signals...
  • Page 86 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) PCI Interface Signals (Continued) PCI Interface Signals (Continued) Signal Name Type Description Signal Name Type Description Stop: STOP# indicates that the ICH4, as a Target, is requesting the...
  • Page 87 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) PCI Interface Signals (Continued) IDE Interface Signals (Continued) Signal Name Type Description Signal Name Type Description I/OD PCI Power Management Event: PCI peripherals drive PME# to...
  • Page 88 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) IDE Interface Signals (Continued) LPC Interface Signals Signal Name Type Description Signal Name Type Description Primary and Secondary I/O Channel Ready (PIO): This signal LPC Multiplexed Command, Address, Data: For the LAD[3:0]...
  • Page 89 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) Power Management Interface Signals (Continued) Power Management Interface Signals Signal Name Type Description Signal Name Type Description LAN Reset: This signal must be asserted at least 10 ms after the...
  • Page 90 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) Power Management Interface Signals (Continued) Processor Interface Signals (Continued) Signal Name Type Description Signal Name Type Description Deeper Sleep - Voltage Regulator: This signal is used to lower the...
  • Page 91 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) Processor Interface Signals (Continued) Real Time Clock Interface Signals Signal Name Type Description Signal Name Type Description CPU Power Good: This signal should be connected to the Special Crystal Input 1: This signal is connected to the 32.768 kHz crystal.
  • Page 92 8081 N/B Maintenance 8081 N/B Maintenance 5.3 Intel 82801DBM I/O Controller Hub 4 Mobile (ICH4-M) AC’97 Link Signals Power and Ground Signals Signal Name Type Description Signal Name Description AC ’97 Reset: This signal is a master hardware reset to external 3.3 V supply for core well I/O buffers.

  • Page 93: System Block Diagram

    8081 N/B Maintenance 8081 N/B Maintenance 6. System Block Diagram U504 Intel Banais Processor Thermal Sensor ADM1021A Micro-FCPGA 256MB On Board Cells U502 CRT Connector 266MHz Memory Controller LVDS TFT Flat Panel J520 Montara - GM MINI PCI 200 pin DDR SO-DIMM Socket * 1...

  • Page 94: Maintenance Diagnostics

    8081 N/B Maintenance 8081 N/B Maintenance 7. Maintenance Diagnostics 7.1 Introduction Each time the computer is turned on, the system bios runs a series of internal checks on the hardware. This power- on self test (post) allows the computer to detect problems as early as the power-on stage. Error messages of post can alert you to the problems of your computer.

  • Page 95: Error Codes

    8081 N/B Maintenance 8081 N/B Maintenance 7.2 Error Codes Following is a list of error codes in sequent display on the PIO debug board. Code POST Routine Description Code POST Routine Description Some type of lone reset Test keyboard Turn off FAST A20 for POST...
  • Page 96 8081 N/B Maintenance 8081 N/B Maintenance 7.2 Error Codes Following is a list of error codes in sequent display on the PIO debug board. Code POST Routine Description Code POST Routine Description Special init of keyboard ctlr Configure the COMM and LPT ports...

  • Page 97: Maintenance Diagnostics

    8081 N/B Maintenance 8081 N/B Maintenance Maintenance Diagnostics 7.3.1 Diagnostic Tool for Mini PCI Slot : P/N:411906900001 Description: PWA; PWA-378 Port Debug BD Note: Order it from MIC/TSSC...

  • Page 98: Trouble Shooting

    8081 N/B Maintenance 8081 N/B Maintenance 8. Trouble Shooting 8.1 No Power 8.2 No Display 8.3 VGA Controller Failure LCD No Display 8.4 External Monitor No Display 8.5 Memory Test Error 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error 8.7 Hard Driver Test Error 8.8 CD-ROM Driver Test Error...

  • Page 99: No Power

    8081 N/B Maintenance 8081 N/B Maintenance 8.1 No Power When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. No Power Is the Check following parts and signals: Connect AC adaptor...
  • Page 100 8081 N/B Maintenance 8081 N/B Maintenance 8.1 No Power When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. DD_CPU Main Voltage Map +5V_CDROM PF501,PL501,PL502 PU1~PU4,PU6~PU8,PL503,PR512 +VCC_CORE L541,JS503 AVDDAD U14,JO45,JO46...
  • Page 101 8081 N/B Maintenance 8081 N/B Maintenance 8.1 No Power – ADINP When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. PWR_VDDIN Transfer Board BAV70LT1 120Z/100M ADINP SI4835DY SBM1040 BAV70LT1 6.5A/32VDC...
  • Page 102 8081 N/B Maintenance 8081 N/B Maintenance 8.1 No Power – Charging When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. Transfer Board PQ508 PU504A PU504B SI4835DY SI4925DY SI4925DY PL501...
  • Page 103 8081 N/B Maintenance 8081 N/B Maintenance 8.1 No Power – Discharge When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. Transfer Board 120Z/100M J4 J4 BATT 6.5A/32VDC 120Z/100M VDD5 PC509 0.1µ...

  • Page 104: No Display

    8081 N/B Maintenance 8081 N/B Maintenance 8.2 No Display There is no display on both LCD and VGA monitor after power on. No Display Monitor Replace monitor or LCD module or LCD. Board-level Troubleshooting Make sure that CPU module, DIMM memory are installed...
  • Page 105 8081 N/B Maintenance 8081 N/B Maintenance 8.2 No Display ****** System Clock Check ****** U504 R588 8.2K R608 HCLK_CPU MULTSEL0 R634 CORE_CLKEN# R609 HCLK_CPU# R633 VTT_PWRGD# Pentium-M L515 120Z/100M +3VCLKCPU 46,50 U1~U4 120Z/100M L526 +3VCLKPCI 8,14 CLK_DDR[3:4], CLK_DDR[3:4]# U507~U510 R606...
  • Page 106 8081 N/B Maintenance 8081 N/B Maintenance 8.2 No Display ****** Power Good & Reset Circuit Check ****** +VCCP U514 MAX809 R572 U502 U504 PWROK RESET# HCPURST# U518 Memory VDD5 R661 MAX809 Pentium-M MCH_PCIRST# 100K Controller RESET# Montara-GM R677 100K PWROK...

  • Page 107: Vga Controller Failure Lcd No Display

    8081 N/B Maintenance 8081 N/B Maintenance 8.3 VGA Controller Failure LCD No Display There is no display or picture abnormal on LCD although power-on-self-test is passed. VGA Controller Failure LCD No Display Check if 1. Confirm LCD panel or monitor is good Re-soldering.
  • Page 108 8081 N/B Maintenance 8081 N/B Maintenance 8.3 VGA Controller Failure LCD No Display There is no display or picture abnormal on LCD although power-on-self-test is passed. TXOUT[0:2]+ TXOUT]0:2]- TXCLKOUT[0]+ TXCLKOUT[0]- SI4800DY mircoSMDC110 120Z/100M LCDVCC U502 0.1µ 10µ 0.1µ 0.1µ 1000P...

  • Page 109: External Monitor No Display

    8081 N/B Maintenance 8081 N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but it is OK for LCD. External Monitor No Display Check if 1. Confirm monitor is good and check...
  • Page 110 8081 N/B Maintenance 8081 N/B Maintenance 8.4 External Monitor No Display There is no display or picture abnormal on CRT monitor, but it is OK for LCD. J501 F501 D502 L505 mircoSMDC110 D1FS4 120Z/100M DDC2B VGA_DDC2B 2.2K 2.2K 120Z/100M CRT_DDDA...

  • Page 111: Memory Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.5 Memory Test Error Extend DDRAM is failure or system hangs up. Memory Test Error 1.If your system installed with expansion SO-DIMM module then check them for One of the following components or signals on the motherboard proper installation.
  • Page 112 8081 N/B Maintenance 8081 N/B Maintenance 8.5 Memory Test Error Extend DDRAM is failure or system hangs up. J503 +1.25V_DDR +2.5V_DDR RP505~RP517 RP18~RP21 +DDR_VREF 56*8 CKE [0:3], CS# [0:3], SMA [1,2,4,5], SMAB [1,2,4,5] CKE [0,1], CS# [0,1], SMA[1,2,4,5] NB_MA [0,3,6:12]...

  • Page 113: Keyboard (K/B) Touch-Pad (T/P) Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error Error message of keyboard or touch-pad failure is shown or any key does not work. Keyboard or Touch-Pad Test Error Check U520, J6, J5 Re-soldering. Board-level for cold solder?
  • Page 114 8081 N/B Maintenance 8081 N/B Maintenance 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error Error message of keyboard or touch-pad failure is shown or any key does not work. H8_AVREF H8_VDDA R715 R712 KBD_US/JP# From U9 ICH4-M C731 C735 C736 0.1µ...

  • Page 115: Hard Driver Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.7 Hard Drive Test Error Either an error message is shown, or the drive motor spins non-stop, while reading data from or writing data to hard disk. Hard Driver Test Error 1. Check if BIOS setup is OK?.

  • Page 116: Hard Drive Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.7 Hard Drive Test Error Either an error message is shown, or the drive motor spins non-stop, while reading data from or writing data to hard disk. +5V_UH +5V_HDD SI2301DS R818 CL-190G HDD_LED# C207...

  • Page 117: Cd-Rom Driver Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.8 CD-ROM Drive Test Error An error message is shown when reading data from CD-ROM drive. CD-ROM Driver Test Error Board-level 1. Try another known good compact disk. Troubleshooting 2. Check install for correctly.
  • Page 118 8081 N/B Maintenance 8081 N/B Maintenance 8.8 CD-ROM Drive Test Error An error message is shown when reading data from CD-ROM drive. +5V_HDD R784 J504 R194 19-22SRVGC/TR8 CD_LED# Q528 2N7002 +5V_CDROM 120Z/100M 38~42 C117 C118 C119 10µ 0.1µ 0.1µ D509...

  • Page 119: Usb Port Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.9 USB Test Error An error occurs when a USB I/O device is installed. USB Test Error Check if the USB device is installed properly. (Including charge board.) Check the following parts for cold solder or one of the following...
  • Page 120 8081 N/B Maintenance 8081 N/B Maintenance 8.9 USB Test Error An error occurs when a USB I/O device is installed. U502 RT9701-CBL Transfer Board +5V_P_1 VIN[0,1] VOUT[0,1] C510 C509 R504 C508 1µ 2.2µ 100µ J4 J4 R503 USBOC0# USB_OC0# L515...

  • Page 121: Audio Failure

    8081 N/B Maintenance 8081 N/B Maintenance 8.10 Audio Failure No sound from speaker after audio driver is installed. Audio Failure 1. Check if speaker cables are connected properly. 2. Make sure all the drivers are Board-level Check the following parts for cold solder or one of the following parts on the installed properly.
  • Page 122 8081 N/B Maintenance 8081 N/B Maintenance 8.10 Audio Failure – Audio IN No sound from speaker after audio driver is installed. H8_AVREF R769 R776 R771 4.7K 4.7K AVDDAD L541 C777 C778 120Z/100M JS503 4.7µ 2.2µ 25,38 AVDD[1,2] C796 C797 C799...
  • Page 123 8081 N/B Maintenance 8081 N/B Maintenance 8.10 Audio Failure – Audio OUT No sound from speaker after audio driver is installed. C190 C188 R188 R187 AOUT_R 4.7µ 4.7µ ROUT+ From previous page R747 C183 R185 R186 100K 0.1µ SPK_OFF AMP_SHUTDOWN...

  • Page 124: Lan Test Error

    8081 N/B Maintenance 8081 N/B Maintenance 8.11 LAN Test Error An error occurs when a LAN device is installed. LAN Test Error Check the following parts for cold solder or one of the following 1.Check if the driver is installed properly.
  • Page 125 8081 N/B Maintenance 8081 N/B Maintenance 8.11 LAN Test Error An error occurs when a LAN device is installed. +LAN_D2.5V U519 +3V_P +2.5V_DDR +LAN_D2.5V NM93C46 R700 +2.5V_DDR +LAN_A2.5V EECS +3V_P VCCRAM EESK C721 C723 U521 +LAN_D2.5V +2.5V_DDR +LAN_A2.5V EEDI 1µ...

  • Page 126: Pc Card & 1394 Socket Failure

    8081 N/B Maintenance 8081 N/B Maintenance 8.12 PC Card & 1394 Socket Failure An error occurs when a PC card or 1394 device is installed. PC Card or 1394 Socket Failure 1. Check if the PC Card or 1394 device is Check the following parts for cold solder or one of the following installed properly.
  • Page 127 8081 N/B Maintenance 8081 N/B Maintenance 8.12 PC Card & 1394 Socket Failure An error occurs when a PC card or 1394 device is installed. +3V_P +5V_P 3.3V_[0,1] R695 SHODN VCC5_EN# VCC_PCI_[0:3] +3V_P CARD_VCC VPPOUT VCCD0 5V_[0,1] VCC3_EN# U516 VCCD1...

  • Page 128: Spare Parts List

    CAP; 0.0047U CR 50V 10% 0603 X7 361400003005 ADHESIVE;HEAT,TRANSFER,HT A-48(W) 272075223702 CAP; 0.22U CR 50V +80-20% 0603 C1,C2,C3 541667850001 AK;01-EN,BOX,8081 272075103702 CAP;.01U ,50V,+80-20%,0603,Y5V,S C114,C135,C145,C147,C155,C156 541667850031 AK;EN,8081,UT ILITY ONLY 272073103401 CAP;.01U ,CR,25V ,10%,0603,X7R,S 346678500006 AL-FOIL;LCD-LED,8081 272075103401 CAP;.01U ,CR,50V ,10%,0603,X7R,S PC23,PC37,PC56,PC57 346678500007 AL-FOIL;T /P,8081 272075103401 CAP;.01U ,CR,50V ,10%,0603,X7R,S...
  • Page 129 CARD BOARD;TOP/BTM,PALLET,8080 272003105701 CAP;1U ,CR,25V ,+80%-20%,0805, 221600020252 CARTON;BATTERY,CAIMAN,PWR 272002105701 CAP;1U ,CR,16V ,-20+80%,0805,Y5 PC518 221675320002 CARTON;NON-BRAND,8080 272071105403 CAP;1U ,10V ,10%,0603,X5R,SMT 431678500001 CASE KIT;256M,8081 272001225401 CAP;2.2U ,CR,10V ,10%,0805,X5R,S 335152000026 CFM-BAT;FUSE,THERMAL,NEC,SF91E 272002225701 CAP;2.2U ,CR,16V ,+80-20%,0805,Y C139,C153,C178,C207,C585,C598 342665500010 CFM-SUYIN,S-STANDOFF,#4-40H4.8,N 272002225701 CAP;2.2U ,CR,16V ,+80-20%,0805,Y C504,C509 273000111002 CHOKE COIL;120OHM/100MHZ,20%,321...
  • Page 130 8081 N/B Maintenance 8081 N/B Maintenance 9. Spare Parts List - 3 Part Number Description Location(S) Part Number Description Location(S) 523467850017 COMBO ASSY;KME,UJDA750,8081 331000007025 CONNECTOR;7 PIN,DIP,ALLTOP,C1034 CON1 291000000706 CON;BATTERY,7P,MA,2.5MM,R/A,C103 441674800032 CONTACT PLATE ASSY;W4L27T0.15,S- 331720015006 CON;D,FM,15P,2.29,R/A,3ROW J501 441677310031 CONTACT PLATE ASSY;W4L27T0.15FUS 291000151201 CON;FPC/FFC,12P,0.5MM,R/A,SMT...
  • Page 131 D15,D508 312272205051 EC;22U,20V,M,RA,D6.3,-55+105,OS- 288100701002 DIODE;BAV70LT1,70V,225MW,SOT-23 PD1,PD5 227678500001 END CAP;LEFT,8081 288100099001 DIODE;BAV99,70V,450MA,SOT-23 227678500002 END CAP;RIGHT,8081 288100099001 DIODE;BAV99,70V,450MA,SOT-23 PD2,PD3 481678500002 F/W ASSY;KBD CTRL,8081 U520 288100056003 DIODE;BAW56,70V,215mA,SOT-23 D5,D501,D506,D509,PD4,PD506, 481678500001 F/W ASSY;SYS/VGA BIOS,8081 U511 288105230004 DIODE;BZM55B3V6,ZENER,3.6V,5mA,M 273000610019 FERRITE ARRAY;130OHM/100MHZ,3216 288105515001 DIODE;BZV55-C15,ZENER,5%,SOD-80, 273000150013 FERRITE CHIP;120OHM/100MHZ,2012,...
  • Page 132 361200005001 GLUE;TOSHIBA 3941 286302020001 IC;APA2020ARI,AUDIO AMP,2W,TSSOP 523467850002 HDD ASSY;30G,IC25N030ATMR04-0,HI 286002040001 IC;BQ2040,GAS GAUGE,SO,16P,SMT 523405320071 HDD DRIVE,30GB,2.5",IC25N030ATMR 284509738002 IC;CMI9738-S,AC97 CODEC,LQFP,48P U523 451678500001 HDD ME KIT;8081 283767180001 IC;DDR SDRAM,16M*16-133,TSOP,66P U1,U2,U3,U4,U507,U508,U509,U5 340678500018 HEATSINK ASSY;8081 283466570001 IC;EEPROM,9346,64*16 BITS,SO8,SM U519 340676400015 HINGE,L,LCD,APOLLON 283467540001 IC;EEPROM,M24C02-WMN6T,2K,SO8,SM 340676400016 HINGE;R,LCD,APOLLON 283400000003 IC;EEPROM,NM24C02N,2K,SO,8P...
  • Page 133 346676400001 INSULATOR;M/B-1,APOLLON 286300965001 IC;OZ965R,CCFL CTRL,TSSOP16,O2 346676400003 INSULATOR;MINI-PCI,APOLLON 284587393001 IC;PC87393,LPC SUPER I/O,TQFP,10 346678500008 INSULATOR;SPK,8081 286309701001 IC;RT9701,POWER DISTRI SW,SOT23- U501,U502 531067850001 KBD OPTION;US,8081 286387506001 IC;S-875061EUP VOLT DETECTOR S 531017240176 KBD;86,US,3000160400,ZIPPY,8081 286300338001 IC;SC338,FET CTRL,SC,MSOP-10 PU13 451678500051 LABEL KIT;N-B,8081 286300431014 IC;SC431LCSK-.5,.5%,ADJ REG,SOT2 PQ503 242600000145 LABEL;10*10,BLANK,COMMON...
  • Page 134 PCB;PWA-INVERTER BD (DA-1A05-A), 242669600005 LABEL;LOT NUMBER,RACE 316678000002 PCB;PWA-PUMA/CHARGER BD 242600000315 LABEL;RED ARROW HEAD,PRC 316678000001 PCB;PWA-PUMA/MOTHER BD 242600000195 LABEL;SOFTWARE,INSYDE BIOS-M 222678500001 PE BABBLE BAG;300mm*260mm,8081 441678500031 LCD ASSY;14",XGA,QDI,141X1LH12,8 222600020049 PE BAG;50*70MM,W/SEAL,COMMON 451678500072 LCD ME KIT;TFT,QDI,XGA,14",8081 222600020310 PE BAG;70X100MM,W/SEAL,COMMON 413000020349 LCD;QD141X1LH12,TFT,XGA,14.1",QD 222670820003 PE BAG;L560*W345,7521N 294011200034 LED;GREEN,H.8,0603,19-21VGC/TR,S...
  • Page 135 8081 N/B Maintenance 8081 N/B Maintenance 9. Spare Parts List - 8 Part Number Description Location(S) Part Number Description Location(S) 271045057101 RES;.005 ,1W,1% ,2512,SMT PR532 271071103101 RES;10K ,1/16W,1% ,0603,SMT R1,R10,R18 271045107101 RES;.01 ,1W ,1% ,2512,SMT PR510,PR522,PR531 271071103101 RES;10K ,1/16W,1% ,0603,SMT...
  • Page 136 8081 N/B Maintenance 8081 N/B Maintenance 9. Spare Parts List - 9 Part Number Description Location(S) Part Number Description Location(S) 271071102102 RES;1K ,1/16W,1% ,0603,SMT PR3,PR521,R109,R532,R536 271071283101 RES;28K ,1/16W,1% ,0603,SMT 271071102302 RES;1K ,1/16W,5% ,0603,SMT R121,R16,R163,R183,R4,R5,R59,R 271071202102 RES;2K ,1/16W,1% ,0603,SMT R22,R24 271071105301 RES;1M ,1/16W,5% ,0603,SMT...
  • Page 137 RES;953 ,1/16W,1% ,0603,SMT 271071499211 RES;49.9K,1/16W,1% ,0603,SMT PR19,PR36 271071976311 RES;976K ,1/16W,1% ,0603,SMT PR22 271071499311 RES;499K ,1/16W,1% ,0603,SMT 451678500031 ROM ME KIT;8081 271071512101 RES;5.1K ,1/16W,1% ,0603,SMT R760 271571100301 RP;10*8 ,16P ,1/16W,5% ,1606,SM RP10,RP11,RP12,RP13,RP14,RP2 271071562301 RES;5.6K ,1/16W,5% ,0603,SMT 271611103301 RP;10K*4 ,8P ,1/16W,5% ,0612,SMT...
  • Page 138 9. Spare Parts List - 11 Part Number Description Location(S) Part Number Description Location(S) 345677300002 RUBBER;SILICONE RUBBER,24X15.5,t 340676400009 SPEAKER ASSY,APOLLON 345677300001 RUBBER;SILICONE RUBBER,T=1.5mm,D 226600030332 SPONGE;320*290*10,CAIMAN,PWR 565167850001 S/W;CD ROM SYSTEM DRIVER,8081 345676400025 SPONGE;COVER-SWITCH,MB,APOLLON 371102030303 SCREW;M2L3,K-HEAD(+),NIW/NLK 345676400023 SPONGE;CPU-SOCKET,MB,APOLLON 340678500021 SHIELDING ASSY;HDD,8081 345676400008 SPONGE;D/D-B,APOLLON 333025000005 SHRINK TUBE;300V,125,I.D=2.5,T=0 345676400016 SPONGE;RTC,APOLLON...
  • Page 139 8081 N/B Maintenance 8081 N/B Maintenance 9. Spare Parts List - 12 Part Number Description Location(S) Part Number Description Location(S) 288200144002 TRANS;DTA144WK,PNP,SMT PQ504 422677000008 WIRE ASSY;BATT TO MB,FOR LYNX,MO 288200144003 TRANS;DTC144TKA,N-MOSFET,SOT-23 Q12,Q14,Q16,Q17,Q18,Q21,Q22,Q 421676400003 WIRE ASSY;LCD 14,QDI,APOLLON 288200144001 TRANS;DTC144WK,NPN,SOT-23,SMT Q13,Q15,Q26,Q503,Q506,Q508 273001050109 XFMR;CI8.5,16T/2600T(.21ψ),220m...

  • Page 141: Circuit Diagram

    8081 MB R01 Project Code : G072 Clock Generator Thermal Sensor Product Code : 6785 ICS950810 ADM1021A Intel Banias Micro-FCPGA PAGE01 Block Diagram PAGE02 Mounting Hole PAGE03 Banais PAGE04 Clock Generator PAGE05 Montara_GM(1) PAGE06 Montara_GM(2) SO-DIMM * 1 On Board...
  • Page 142 Change detail DATE ECR No. +2.5V_DDR Initail release (base on PUMA) 2003/05/02 1.Change PR4 ,PR29 and PR45 to 470 ohm for SUSB# signal quality. 2.LAN signal add fuse to protect LAN transformer. +1.2V EC27 EC28 3.Modify U533 control signal(SUSC# and 2 * 2N7002) for leakage 0.1U 0.1U...
  • Page 143 VCC : PROCESSOR CORE POWER SUPPLY. U504C VCCA : ISOLATE POWER FOR INTERNAL PLL. +VCC_CORE VSS_0 VSS_73 VSS_1 VSS_74 VCCP : PROCESSOR I/O POWER SUPPLY. U504B VSS_2 VSS_75 HCLK_CPU BCLK0 VCC_0 VSS_3 VSS_76 VCCQ : QUIET POWER SUPPLY FOR ON DIE COMP CKT. HCLK_CPU# BCLK1 VCC_1...
  • Page 144 +VCC_CORE +VCCP R616 R625 R626 4.7K/NA 4.7K/NA 4.7K VCC-Core VCC-Core R573 R561 R559 R560 R571 R572 0603 0603 0603 51/NA 51/NA 1.708 1.196 0603 0603 0603 0603 0603 0603 0603 0603 1.692 1.180 HPREQ# 1.676 1.164 HPRDY# R613 R621 R622 HBPM#1 1.660 1.148...
  • Page 145 ADD ID : 0x7Fh +1.5V 8.2K/NA 8.2K/NA AGPBUSY# 8.2K/NA R531 8.2K/NA R529 8.2K/NA 0603 8.2K/NA 8.2K/NA 8.2K/NA HA#[3..31] HD#[0..63] U502B U502A HA#[3..31] HD#[0..63] 3 HA#3 HD#0 HA[3]# HD[0]# ADDID[0] DVOBCLK HA#4 HD#1 +1.5V DVOBCCLKINT 330/NA HA[4]# HD[1]# ADDID[1] DVOBCLK# HA#5 HD#2 R528 330/NA...
  • Page 146 NB_MA0 NB_MA0 NB_MA3 +1.2V +2.5V_DDR NB_MA3 U502D U502E (1.9A) AG29 AA29 VCC_0 VCCSM_0 VSS_0 VSS_91 U502C NB_MD[0..71] AA19 AF29 NB_MD[0..71] 7 VCC_1 VCCSM_1 VSS_1 VSS_92 NB_MA0 NB_MD0 AC18 AA17 AC29 C555 C556 SMA[0] SDQ[0] VCC_2 VCCSM_2 VSS_2 VSS_93 SMA[1..2] SMA1 NB_MD1 AD14 0.1U...
  • Page 147 RP14 10*8 RPX8 NB_MD2 +2.5V_DDR NB_MD6 +2.5V_DDR NB_DQS0 DQS0 NB_DM0 +DDR_VREF NB_MD1 NB_MD5 NB_MD0 J503 C114 C113 +DDR_VREF NB_MD4 0.01U 0.1U 0603 0603D 0603 RP13 10*8 RPX8 NB_DQS1 DQS1 NB_DM1 DQS0 NB_MD9 C135 C116 C115 C600 NB_MD13 MD13 0.01U 0.1U 0.1U 0.1U NB_MD8...
  • Page 148 CLK_DDR3 CLK_DDR4 MA[6..12] MA[6..12] MD[0..63] MD[0..63] R505 R686 DQS[0..7] DQS[0..7] 0603 0603 SMAB[1..2] SMAB[1..2] DM[0..7] DM[0..7] SMAB[4..5] CLK_DDR3# CLK_DDR4# SMAB[4..5] MD16 MD32 MD48 SMAB1 SMAB1 MD17 SMAB1 MD33 SMAB1 MD49 SMAB2 SMAB2 MD18 SMAB2 MD34 SMAB2 MD50 MD19 MD35 MD51 SMAB4 SMAB4 MD20...
  • Page 149 MD[0..63] MD[64..71] MD[0..63] MD[64..71] DQS[0..7] DQS8 DQS[0..7] DQS8 DM[0..7] DM[0..7] Data Signals - SDQ[63:0],DM[7:0],DQS[7:0] Chip -> Rs -> So-DIMM0 -> So-DIMM1 -> Rt +1.25V_DDR +1.25V_DDR RP20 56*4 1206 RP505 56*8 RPX8 CKE1 CKE1 CKE2 Control Signals - CKE[3:0],CS#[3:0] CKE2 CKE0 CKE0 CKE3 CKE3...
  • Page 150 JL505 JP_NET10 LPC_PCIRST# 19 JP_NET10 VCC3_3 AD[0..31] U11A AC23 AD[0..31] 16,17,18 VCC3_3 INT_PIRQA# AD31 R704 0 AC18 PIRQA# AD31 VCC3_3 R151 0 AD30 AC14 INT_PIRQB# PCIRST#0 12,23 PIRQB# AD30 VCC3_3 INT_PIRQC# AD29 R143 0 JP_NET10 AC10 PIRQC# AD29 VCC3_3 AD28 +1.5V INT_PIRQD# PIRQD#...
  • Page 151 VDD3 +VCCP HUB_HI[0..10] R696 HUB_HI[0..10] 10,21 EXTSMI# HUB_HI0 0603 2,23 USBP0+ USBP_0 HI 0 HUB_HI1 0603 R703 2,23 USBP0- USBP_0# HI 1 10,18,19 SERIRQ 10,21 SCI# HUB_HI2 R100 8.2K 0603 2,23 USBP1+ USBP_1 HI 2 HUB_HI3 0603 R165 2,23 USBP1- 10,17,18,19 PCLKRUN# 10,21...
  • Page 152 PD_D[0..15] RP518 U526 PD_D[0..15] 0*8/NA P_C_PD_D12 C_PD_D12 C_PD_12 20 RPX8 P_C_PD_D2 C_PD_D2 C_PD_D2 20 P_C_PD_D13 RP_16P8R_4016_DFS C_PD_D13 C_PD_D13 20 PD_D11 C_PDIOW# P_C_PD_D11 P_C_PDIOW# C_PDIOW# 20 PD_D4 P_C_PD_D4 P_C_PDIOR# C_PDIOR# C_PDIOR# 20 PD_D10 P_C_PD_D10 PD_D5 P_C_PD_D5 P_C_PDDREQ C_PDDREQ C_PDDREQ 20 PD_D9 P_C_PD_D9 P_C_PD_D15 C_PD_D15...
  • Page 153 L550 U501 120Z/100M/NA 2012 R508 180K/NA MIC5205BM5/NA 0603 SOT25 AVDDAD L541 JS503 SHORT-SMT4 120Z/100M R509 C507 2012 470K/NA 0.01U/NA 0603 0603 AGND C789 C799 C797 0.1U 0.1U C796 0603 0603 1206 0.1U 0603 C763 C760 0.1U 0.1U AGND AGND 0603 0603 ACBITCLK AGND...
  • Page 154 C213 5P/NA 0603 C190 C188 R188 AOUT_R RHP_IN ROUT+ AOUT_R R187 0603 4.7U 4.7U 0603 1206 1206 C212 5P/NA 0603 C183 R185 RLINE_IN R186 0603 0.1U 0603 0603 C832 5P/NA 0603 C192 C191 R201 AOUT_L LHP_IN LOUT+ AOUT_L R200 0603 4.7U 4.7U 0603...
  • Page 155 RP501 LCD_ID0 LCD_ID0 LCD_ID1 LCD_ID1 LCD_ID2 LCD_ID2 10K*4 1206 R501 1K/NA 0603 SI4800DY R502 1K/NA 0603 LCD CONNECTOR R503 1K/NA 0603 LCDVCC MICROSMDC110 120Z/100M C503 2012 R506 0.1U 10U/NA 1000P 1M/NA 0603 1206 1000P 0.1U 0.1U TXCLKOUT0- 0603 DVMAIN TXOUT2- 0603 0603 0603...
  • Page 156 RJ45 + RJ11 J506 RJ45 PJRX- 0603 AD[0..31] CBE#[0..3] 10,17,18 AD[0..31] CBE#[0..3] 10,17,18 +LAN_D2.5V +2.5V_DDR +LAN_A2.5V PJRX+ FAST/1A/32V 0603 VT6105L L529 L528 PJTX- 0603 PJTX+ FAST/1A/32V 0603 IDSEL: AD18 +LAN_D3V MODEMP PCI REQ1# 120Z/100M 120Z/100M RJ11 MODEMN 2012 2012 PCI GNT1# R668 R673 GND1...
  • Page 157 JS501 SHORT-SMT3 Mini PCI IDSEL: AD17 CBE#[0..3] 10,16,18 CBE#[0..3] PCI REQ3# AD[0..31] PCI GNT3# 10,16,18 AD[0..31] J507 PCI INTD# INTF# R669 INTEL_PD# R666 0603 INT_PIRQF# INT_PIRQD# 10 R674 R691 10K/NA 0603 0603 PCICLK_MINIPCI MINIPCI_PCIRST# PCI_REQ3# PCI_GNT3# 10 C694 AD31 PCI_PME# 10,11,16,18,21 AD29 10P/NA AD30...
  • Page 158 +3V_P R725 R5C551 0603 IDSEL: AD20 +3V_P PCI REQ2# L548 PCI GNT2# R695 120Z/100M C743 2012 C758 C757 PCI INTB# INTG# 0805 0603 0.1U 2.2U 0603 0805 +2.5V_DDR +80-20% R727 C745 C728 C738 C737 0805 2.2U 2.2U 0.1U 0.1U 0805 0805 0603 0603...
  • Page 159 R131 8.2K 0603 RP27 SIO_GPIO35 PIO_D0 C158 C161 C160 C165 PIO_D1 PIO_D7 0.1U 0.1U 0.1U 0.1U 0603 0603 0603 0603 PIO_D2 PIO_D6 PIO_D3 PIO_D5 PIO_D4 1K*8/NA 1206 21,22 SA[0..17] LAD[0..3] LAD[0..3] LAD0 PIO_D0 LAD0 PD0/INDEX# LAD1 PIO_D1 LAD1 PD1/TRK0# LAD2 PIO_D2 LAD2 PD2/WP#...
  • Page 160 +5V_UH +EXT5V R785 Q520 C824 C825 100K/NA SI2301DS/NA 2.2U/NA 1U/NA 0603 0805 0603 +80-20% N_SDA H8_THERM_DATA +EXTA2.5V +EXT2.5V +EXT5V H8_THRM_DATA 3,21 U529 L546 Q522 USB_IC_PWRON DTC144WK/NA VOUT 2N7002/NA 120Z/100M/NA 1608 C808 C809 C810 C811 C812 C813 Mount this 1U/NA 0.1U/NA 10U/NA 0.1U/NA 2.2U/NA...
  • Page 161 VDD3 RSMPWRON H8_PWRON H8_AVREF TP10 L531 RESET# R729 C167 0603 R722 R715 0.1U/NA R176 H8_VDDA GND_H8 JP_BEAD_DFS 0603 100K/NA 0603 0603D_DFS MAX809/NA 0603 R712 0603 VDD5 SOT23N 809S 2.93V VDD3 VDD3 C735 C731 0603 0.1U 0.1U C736 L530 0603 0603 R182 0.1U 120Z/100M...
  • Page 162 TOUCH_PAD +3V_P +3V_P +3V_P SCRL UP U20A U20B U20C 12V/50MA STS-042-A 74AHC14_V 74AHC14_V 74AHC14_V TSSOP14 TSSOP14 TSSOP14 JO38 JO35 SCRL_DN 12V/50MA STS-042-A 0.5A/POLYSW miniSMDC050 JO44 JO39 120Z/100M 2012 +3V_P +3V_P +3V_P C101 AC_LED# 0.1U T_CLK 120Z/100M 1608 0603 U20D U20E U20F T_DATA 120Z/100M...
  • Page 163 +3V_P +5V_UH +5V_P For Lan For USB HDD U503 U533 SOURCE3 DRAIN3 SOURCE3 DRAIN3 SOURCE2 DRAIN1 SOURCE2 DRAIN1 SOURCE1 DRAIN2 SOURCE1 DRAIN2 +3V_ON C537 C535 C539 C828 C829 C830 0603 SI4788CY 1206 0603 0603 SI4788CY 1206 0603 VDD5 VDD5 +5V_P For USB R221 R220...
  • Page 164 TR/3216FF-2A PC44 PC58 0.1U 1206 0603 2.5V_IN +2.5V_DDR TR/3216FF-3A PC43 PC42 0.1U PU14 1206 0603 FDS9412 +1.5V_P +1.2V_P PC543 PC544 PC538 220U 220U PC537 0.1U 7243 7243 0.1U/NA 0603 PC536 0603 PU15 FDS9412 PR33 PR32 1206 14.3K 0603 0603 0.1% PU13 +5V_UH DRV1...
  • Page 165 PR46 P_ON PR45 PR44 470/NA 0603 +DDR_VREF 0603 PU19 0603 +1.25V_DDR 3,4,10,18,21,22,23,24,26,28 SUSB# VREF +1.25V_DDR_P PJL1 +2.5V_DDR VDDQ VSENSE PR43 JP_NET20 +2.5V_DDR AVIN 120Z/100M 0603 PVIN TR/3216FF-2A PC52 2012 GND1 1000P GND2 0603 GND3 PC53 PC562 PC561 GND4 0.1U GND5 0603 1210 1210...
  • Page 166 DVMAIN 2012 4.5A/32VDC 120Z/100M PC23 0.01U 0603 PC526 DVMAIN_D2 PC529 PJL2 100U 2012 PC531 JP_NET20 3216FF-1 120Z/100M 1210 PC528 PC56 1210 0.1U 0.01U 20%/X5R 0603D 0603 20%/X5R PC24 PC520 PC25 0.1U 1000P 0603D 1210 0603 20%/X5R PR25 PR28 0805 0805 BAW56 SOT23N PC31...
  • Page 167 DVMAIN 4A/32VDC 120Z/100M 2012 PC37 0.01U 0603 DVMAIN_D TR/3216FF-2A 120Z/100M PC533 2012 PC535 PC534 PJL4 100U PC57 PC39 PC540 0.01U JP_NET20 1210 1210 0.1U PC547 0603 0603D 1210 0.1U 20%/X5R 20%/X5R 0603D 20%/X5R PC55 1000P 0603 PR533 PR534 PD506 0805 0805 BAW56 SOT23N...
  • Page 168 DVMAIN PF501 6.5A/32VDC PR518 PR519 0603 0603 PL501 REF_CORE 120Z/100M 2012 DD_CPU PR517 PR520 +5V_UH 0603 0603 PR516 PR16 PL502 0/NA 120Z/100M PC508 PC507 PC502 0603 0603 2012 PC506 PC505 PC504 PC503 PC509 100U PJL6 PJL7 1210 1210 PC501 0.1U JP_NET20 JP_NET20 1000P...
  • Page 169 PWR_VDDIN PUMA Charger BD R01 BAV70LT1 BAV70LT1 120Z/100M SI4835DY ADINP 2012 DVMAIN OPEN-SMT4 IDJ-D22B2-6T 6.5A/32VDC SBM1040 120Z/100M PC10 PC11 JACK-5P 2012 2512 PC501 1000P 0.1U 4.7K 0.1U 0.1U PD501 470K 4.7K 0603 0603 0805 0603 0805 0603 RLZ24D 0603 0805 PR19 MLL34B 100K...
  • Page 170 CHARGING PQ508 SI4835DY PU504A PU504B SI4925DY SI4925DY PL501 PL502 PF502 12.6V ADINP BATT TR/3216FF-3A PD503 33UH B340LA 120Z/100M CDRH124 PC523 PC512 DC2010 2012 PC514 PC513 PC524 PC522 0.01U 0.01U PR520 PR521 1210 0.1U PR16 PR512 0603 0.1U/NA 0603 1210 4.7K 4.7K 0603 1210...
  • Page 171 L509 120Z/100M/NA 1608 USBP0+ +5V_P_1 U502 L515 +VCC_USB_0 VIN0 VOUT0 120Z/100M L510 +VCC_USB_0 VIN1 VOUT1 2012 90Z/100M C509 CHOKE_ACM2012 RT9701-CBL C506 2.2U R504 1000P C510 SOT25 +80-20% 0603 +VCC_USB_1 0603 0805C 0603D C508 GND1 GND1 USBP0- 100U GND2 GND2 USB_OC0# L516 7343 6.3V...

  • Page 172: Reference Material

    Reference Material Intel Banias Pentium M Processor Intel, INC Intel 82855GM Memory Controller Hub (GMCH) Intel, INC Intel 82801DBM I/O Controller Hub Mobile (ICH4-M) Intel, INC 8081 Hardware Engineering Specification Technology Corp./MiTAC...
  • Page 173 SERVICE MANUAL FOR 8081 SERVICE MANUAL FOR SERVICE MANUAL FOR 8081 Sponsoring Editor : Jesse Jan Author : Sissel Diao Assistant Editor : Janne Liu Publisher : MiTAC International Corp. Address : 1, R&D Road 2, Hsinchu Science-Based Industrial, Hsinchu, Taiwan, R.O.C.

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