Acer Aspire T300 Service Manual
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Acer Aspire T300 Service Manual

Acer Aspire T300 Service Manual

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See also: User Manual
Aspire T300/Power ST
Service Guide
Service guide files and updates are available
on the AIPG/CSD web; for more information,
please refer to
http://csd.acer.com.tw
PRINTED IN TAIWAN

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Summary of Contents for Acer Aspire T300

  • Page 1 Aspire T300/Power ST Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN...

  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on Aspire T300/Power ST service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2002 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.

  • Page 4: Screen Messages

    Conventions The following conventions are used in this manual: Screen messages NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions.
  • Page 5 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 7: System Specifications

    System Specifications Overview The Aspire T300/Power ST supports Intel Pentium 4 Northwood based micro-ATX, IBM PC/AT compatible system with PCI/AGP bus. NOTE: Aspire T300/Power ST supports Intel’s HT (Hyper-Threading) Technology. Chapter 1 Chapter 1...

  • Page 8: Features And Specifications

    Features & Specifications Support Intel P4 Northwood (Socket 478) processor. Support 533MHz or 400MHz FSB. Support up to 3.06GHz+ P4 processor. Support Intel Hyper Threading Technology. Chipset SiS 651, SiS 962L Memory Socket Type: DDR-SDRAM PC2700/PC2100 184-pin socket. Support 64Mb, 128Mb, 256Mb and 512 Mb technologies. Capacity: 128MB ~ 1GB (please refer to the AVL list for compatibility).
  • Page 9 Microphone-in (rear)/Microphone-in (front) (Default) Headphone Out (front) (Default) Supports 10/100MB ethernet environment Connectors Quantity: On-board: 4 (rear) Connector Pin: 2 (front) Transfer Rate: USB 2.0/1.1 BIOS 4MB Award BIOS with Plug and Play BIOS ACPI, SMBIOS 2.3, Green and Boot Block. Provides DMI 2.0, WFM 2.0, WOL, WOR, chassis intrusion and SM Bus for system management.

  • Page 10: Front Panel

    Front Panel The computer’s front panel consists of the following: Label CD-ROM/DVD-ROM/CD-RW Drive FDD Drive Power Button Power LED HDD LED Speaker/Headphone jack Microphone-in jack USB ports Description Chapter 1...
  • Page 11 Label CD-ROM/DVD-ROM/CD-RW Drive FDD Drive Power Button Power LED HDD LED Speaker/Headphone jack Microphone-in jack USB ports Chapter 1 Description...

  • Page 12: Rear Panel

    Rear Panel The computer’s rear panel (both Aspire T300 & Power ST) consists of the following: Label Power Socket Voltage Setting Switch (only available in some area) PS/2 Keyboard Port COM1/Serial Port VGA Port Speaker / Headphone Jack Line-in Jack...

  • Page 13: Mainboard Components

    Aspire T300/Power ST Main Board Layout Mainboard Components AUDIO1 BAT1 BAT1 Label AGP1 ATX2 AUDIO1 BAT1 CASFAN1 CDIN1 CDIN2 CNR1 CPU SOCKET CPUFAN1 DIM1, DIM2 FDD1 IDE1 IDE2 Chapter 1 RETENTION MODULE DIM1 CPU SOCKET ATX1 CDIN2 ATX 1 AUDIO1...
  • Page 14 Label LED1 PANEL1 PCI1~PCI3 PWRFAN1 SPEAKER1 USB2 USB3 WOL1 WOM1 Description BIOS protection jumper Memory module LED Connector for case front panel awitches and LED indicators Three 32-bit add-on card slots Case fan connector 2 Speaker connector Front panel USB headers Front panel USB headers Wake On LAN wakeup connector Wake On Modem wakeup connector...

  • Page 15: Hardware Specifications And Configurations

    Hardware Specifications and Configurations Processor Item Type Socket Speed Minimum operating speed Voltage BIOS Item BIOS code programmer BIOS version BIOS ROM type BIOS ROM size BIOS ROM package Support protocol Boot from CD-ROM feature Support to LS-120 drive Support to BIOS boot block feature NOTE: The BIOS can be overwritten/upgraded by using the flash utility.
  • Page 16 This section has two table lists, system memory specification and the possible combinations of memory module. System Memory Item Memory socket number Support memory size per socket Support maximum memory size Support memory type Support memory speed Support memory voltage Support memory module package Support to parity check feature Support to Error Correction Code (ECC) feature...

  • Page 17: Video Interface

    Video Interface Item Video interface support Display Screen Resolution 640x480 640x480 640x480 640x480 640x480 800x600 800x600 800x600 800x600 800x600 800x600 800x600 800x600 1024x768 1024x768 1024x768 1280x1024 1280x1024 1280x1024 1600x1200 1600x1200 Audio Interface Item Audio controller Audio controller resident bus Audio function control Mono or stereo Resolution Compatibility...
  • Page 18 Audio Interface Item Sampling rate MPU-401 UART support Microphone jack Headphone jack IDE Interface Item IDE controller IDE controller resident bus Number of IDE channel Support IDE interface Support bootable CD-ROM Floppy disk drive Interface Item Floppy disk drive controller Floppy disk drive controller resident bus Support FDD format Parallel Port...

  • Page 19: Memory Address Map

    Serial Port Item Optional serial port IRQ (via BIOS Setup) Modem Item Fax modem data baud rate (bps) Data modem data baud rate (bps) Voice modem Modem connector type Full duplex USB Port Item Universal HCI USB Class Memory Address Map Address 000000 - 07FFFF 080000 - 09FFFF...

  • Page 20: Irq Assignment Map

    I/O Address Map Hex Range 000-01F 020-021 040-043 060-060 061-061 070-071 080-08F 0A0-0A1 0C0-0DF 0F0-0FF 170-177 1F0-1F7 278-27F 2F8-2FF 378-37F 3F0-3F5 3F6-3F6 3F7-3F7 3F8-3FF 0CF8 0CFC 778-77A IRQ Assignment Map IRQx IRQ0 Timer IRQ1 Keyboard IRQ2 Cascade Interrupt Control IRQ3 Serial Alternate IRQ4 Serial Primary...

  • Page 21: Drq Assignment Map

    DRQ Assignment Map DRQx DRQ0 DRQ1 DRQ2 DRQ3 DRQ4 DRQ5 DRQ6 DRQ7 NOTE: N - Not be used Main Board Major Chips Item System core logic Video controller Super I/O controller Audio controller LAN controller HDD controller Keyboard controller Environmental Requirements Item Temperature Operating...
  • Page 22 Switching Power Supply 200W Input Frequency 50MHz 60MHz Input Voltage 100 - 120 VRMS 200 - 240 VRMS Input Current Output Requirements +12V -12V +3.3V +5Vaux Frequency Variation Range 47MHz to 53MHz 57MHz to 63MHz Variation Range 90 - 132 VRMS 180 - 264 VRMS Measuring Range 90 -132 VRMS...

  • Page 23: Power Management Function (Acpi Support Function)

    Power Management Function (ACPI support function) Device Standby Mode Independent power management timer for hard disk drive devices (0-15 minutes, time step=1 minute). Hard disk drive goes into Standby mode (for ATA standard interface). Disable V-sync to control the VESA DPMS monitor. Resume method: device activated (Keyboard for DOS, keyboard &...
  • Page 24 Chapter 1...

  • Page 25: System Utilities

    Chapter 2 System Utilities Most systems are already configured by the manufacturer or the dealer. There is no need to run Setup when starting the computer unless you get a Run Setup message. The Setup program loads configuration values into the battery-backed nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM.

  • Page 26: Entering Setup

    Entering Setup Power on the computer abd the system will start POST (Power On Self Test)prosecc. When the message of “Press DEL to enter SETUP” appears on the screen, press the key of [Delete] to enter the setup menu. NOTE: If the message disappears before you respond and you still wish to enter Setup, restart the system by turning it OFF and On.
  • Page 27 The command line at the bottom of the menu tells you how to move within a screen and from one screen to another. To select an option, move the highlight bar by pressing To change a parameter setting, press Press to return to the main menu.

  • Page 28: Product Information

    Product Information The screen below appears if you select Product Information from the main menu: The Product Information menu contains general data about the system, such as the product name, serial number, BIOS version, etc. These information is necessary for troubleshooting (maybe required when asking for technical support).
  • Page 29 The following table describes the parameters found in this menu: Parameter Product Name System S/N Main Board ID Main Board S/N System BIOS Version SMBIOS version System BIOS ID BIOS Release Date Chapter 2 Description Displays the model name of your system. Displays your system’s serial number.

  • Page 30: Standard Cmos Features

    Standard CMOS Features Select Standard CMOS Features from the main menu to configure some basic parameters in your system. The following screen shows the Standard CMOS Features menu: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.
  • Page 31 Parameter IDE Secondary Channel Master IDE Secondary Channel Slave Drive A Drive B Floppy 3 Mode Support Video Halt On Base Memory Extended Memory Total Memory Chapter 2 Description Allows you to configure the hard disk drive connected to the master port of IDE channel 2. To enter the IDE Secondary Master setup, press [Enter].
  • Page 32 IDE Primary/Secondary Channel Master/Slave Setup The following screen appears if you select any of the IDE drive parameters: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter IDE HDD Auto- Auto-detects your hard disk drive Detection IDE Primary Master...

  • Page 33: Advanced Bios Features

    Advanced BIOS Features The following screen shows the Advanced BIOS Features: The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter Virus Warning Allows you to set the virus warning feature for IDE Hard Disk boot sector protection.
  • Page 34 Parameter Boot Up NumLock Status Sets the NumLock status when the system is powered on. Setting to On will turn on the NumLock key when the system is powered on. Setting to Off will allows users to use the arrow keys on the numeric keypad.

  • Page 35: Advanced Chipset Features

    Advanced Chipset Features The advanced cipset features setup option is used to change the values of the chipset registers. These registers control most of the system options in the computer. NOTE: Change these settings only if you are familiar with the chipset. Advanced DRAM Control Press [Enter] to enter the sub-menu and the following screen appears: Chapter 2...
  • Page 36 The following table describes each parameter under the sub-menu. Settings in boldface are the default and suggested values. Parameter System Performance The DRAM timing is controlled by the DRAM Timing Registers. The timings programmed into this register are dependent on the system design.

  • Page 37: Integrated Peripherals

    Integrated Peripherals The following table describes each Integrated Peripherals parameters. Settings in boldface are the default and suggested values. Parameter Internal PCI/IDE This setting enables or disables the internal primary and secondary PCI & IDE controllers. IDE Primary Master PIO Setting these items to “Auto”...
  • Page 38 Parameter USB Keyboard Support This item lets you enable or disable the USB keyboard driver within the onboard BIOS. The keyboard driver simulates legacy keyboard command and lets you use a USB keyboard during POST or after boot if you do not have a USB driver in the operating system.

  • Page 39: Power Management Setup

    Power Management Setup The Power Management menu lets you configure your system to most effectively save energy while operating in a manner consistent with your own style of computer use. The following screen shows the Power Management parameters and their default settings: The following table describes the parameters found in this menu.
  • Page 40 Parameter Video Off Option This item is to control the mode in which the monitor will shut down. Always On: Always keep the monitor on. Suspend --> Off: During suspend mode, the monitorwill shut down. Susp, Stby --> During suspend or standby mode, the monitor will shut down.

  • Page 41: Pnp/Pci Configuration

    PnP/PCI Configuration The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter Reset Configuration Data Resources Controlled By IRQ Resources PCI/VGA Palette Snoop NOTE: It is strongly recommended that only experienced users should make any changes to the default settings.

  • Page 42: Pc Health Status

    PC Health Status The following table describes the parameters found in this menu: Parameter Shutdown Temperature This option is for setting the shutdown temperature level for the processor. When the processor reaches the temperature you set, the ACPI-aware system will be shut down. Current System/CPU These items display the current status of all of the Temperature, CPU/...

  • Page 43: Frequency Control

    Frequency Control The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter Set CPU Ratio End users can overlock the processor by specifying the CPU ratio (clock multiplier) in this field.

  • Page 44: Load Default Settings

    Load Default Settings The default settings are the default values set by the mainboard manufacturer specifically for optimal performance of the mainboard. When you select the item, a message as below appears: Pressing Y (Yes) loads the BIOS default values for the most stable system performance. Chapter 2...

  • Page 45: Set Supervisor/User Password

    Set Supervisor/User Password When you choose to set supervisor password, a message as below will appear on the screen: At the prompt, type your password. Your password can be up to six characters in length. After typing the password, press “Enter”. At the next prompt, re-type your password and press “Enter” again to confirm the new password.
  • Page 46 If you select Set User Password, a message as below will appear: At the prompt, type your password. Your password can be up to six characters in length. After typing the password, press “Enter”. At the next prompt, re-type your password and press “Enter” again to confirm the new password.

  • Page 47: Save & Exit Setup/Exit Without Saving

    Save & Exit Setup/Exit Without Saving If you select Save and Exit Setup, you will exit the BIOS utility. The following dialogue box will appear. Select Y (Yes) to exit Setup. Select N (No) to return to the main menu. If you select Exit Without Saving, you will discard all the changes you made and exit Setup.
  • Page 48 Chapter 2...

  • Page 49: Machine Disassembly And Replacement

    Machine Disassembly and Replacement Aspire T300/Power ST shares the same chassis with Aspire B300. For machine disassembly video, please refer to B300 Service CD. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge.

  • Page 50: General Information

    General Information Before You Begin Before proceeding with the disassenbly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Chapter 3...

  • Page 51: Disassembly Procedure Flowchart

    Disassembly Procedure Flowchart The flowchart below gives you a graphical representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. Power Supply Modem Card VGA Card Chapter 3 Main Unit Top Cover CD ROM Heatsink Floppy/HDD Cage...

  • Page 52: Standard Disassembly Procedure

    Standard Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. Removing the Housing Cover Place the system unit on a flat, steady surface.

  • Page 53: Removing The Front Panel

    Removing the Front Panel Disconnect the cables by following the order of: Untie the magnetic ring. Release the latches as shown here. Remove the Front Bezel. Removing the HDD/Floppy Cage Disconnect the power connector to the floppy and then the ribbon cable. Disconnect the power connector to the HDD and then the ribbon cable.
  • Page 54 Turn the cage to 90 degrees, and then remove the cage. Detaching the Daughter Board Remove the screw as shown here. Remove the daughter board bracket. Remove the two screws as shown here. Detach the daughter board from the bracket. Chapter 3...

  • Page 55: Troubleshooting

    Chapter 4 Troubleshooting This chapter provides troubleshooting information for the Acer T300/Power ST: Power-On Self-Test (POST) Index of Error Messages Index of Error Codes and Error Beeps Index of Error Symptoms Undetermined Problems Chapter 4...

  • Page 56: Power-On Self-Test (Post)

    Power-On Self-Test (POST) Each time you turn on the system, the Power-on Self Test (POST) is initiated. Several items are tested during POST, but is for the most part transparent to the user. The Power-On Self Test (POST) is a BIOS procedure that boots the system, initializes and diagnoses the system components, and controls the operation of the power-on password option.

  • Page 57: Post Check Points

    When POST executes a task, it uses a series of preset numbers called check point to be latched at port 80h, indicating the stages it is currently running. This latch can be read and shown on a debug board. The following table describes the Acer common tasks carried out by POST. A unique check point number represents each task.
  • Page 58 Checkpoint Description Auto detect flash type to load appropriate flash R/W codes into the run time area in F000 for ESCD & DMI support. Reserved Use walking 1’s algorithm to check out interface in CMOS cir- cuitry. Also set real-time clock power status, and then check for override.
  • Page 59 Checkpoint Chapter 4 Description 1. Program CPU internal MTRR (P6 & PII) for 0-640K memory address. 2. Initialize the APIC for Pentium class CPU 3. Program early chipset according to CMOS setup. Example: onboard IDE controller. 4. Measure CPU speed. Reserved Invoke Video BIOS Reserved...
  • Page 60 Checkpoint Description Reserved Reserved Reserved Reserved 1. Program MTRR of M1 CPU 2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable range. 3. Initialize the APIC for P6 class CPU. 4. On MP platform, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical.
  • Page 61 Checkpoint Chapter 4 Description Turn on L2 cache Reserved Program chipset registers according to items described in Setup & Auto-configuration table Reserved 1. Assign resources to all ISA PnP devices. 2. Auto assign ports to onboard COM ports if the corre- sponding item in Setup is set to “Auto”.
  • Page 62 Checkpoint Description Reserved NET PC: Build SYSID structure Reserved 1. Assign IRQs to PCI devices. 2. Set up ACPI table at top of the memory. Reserved 1. Invoke all ISA adapter ROMs 2. Invoke all PCI ROMs (except VGA) Reserved 1.

  • Page 63: Post Error Messages List

    POST Error Messages List If you cannot run the diagnostics program tests but did receive a POST error message, use “POST Error Messages List” to diagnose system problems. If you did not receive any error message, look for a description of your error symptoms in “Error Sympton List”.
  • Page 64 BIOS Messages IRQ Setting Error Expansion ROM Allocation Fail I/O Resource Conflict(s) Memory Resource Conflict(s) PCI Device Error PS/2 Pointing Device Interface Error PS/2 Pointing Device Error DMI Table Was Destroyed Press “DEL” key to enter Setup or F1 key to continue Press ESC to turn off NMI, or any key to reboot Insert system diskette and press ENTER key to reboot...

  • Page 65: Error Symptoms List

    Error Symptoms List NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/ FRU listed in right column is the most likely cause Error Symptom NOTE: Normally, the processor fan should be operative, and the processor clock setting should be...
  • Page 66 Error Symptom Diskette drive read/write error. Diskette drive LED comes on for more than 2 minutes when reading data. Diskette drive LED fails to light, and the drive is unable to access for more than 2 minutes. Diskette drive test failed. NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are set correctly before diagnosing any hard disk drive problems.
  • Page 67 Error Symptom CD/DVD-ROM drive can play audio CD but no sound output. Real-time clock is inaccurate. Audio software program invokes but no sound comes from speakers. Modem ring cannot wake up system from suspend mode. Data/fax modem software program invokes but cannot receive/send data/fax Fax/voice modem software program invokes but has no sound output.
  • Page 68 Error Symptom Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports presence before diagnosing any parallel/serial ports problems. Serial or parallel port loop-back test failed. Printing failed. Printer problems. Some or all keys on keyboard do not work. Pressing power switch does not turn off system.

  • Page 69: Jumper And Connector Information

    Jumper and Connector Information Aspire T300/APST Jumpers and Connectors Refer to the following figure for the location of the jumpers and connectors on the main board: Mainboard Components ATX1 ATX 1 AUDIO1 AUDIO1 CDIN1 BAT1 BAT1 Chapter 5 RETENTION MODULE...

  • Page 70: Connector Description

    Connector Description Connector No. AGP1 Accelerated Graphics Port ATX2 Power connector AUDIO1 Front audio connector BAKFAN1 Case fan connector 2 BAT1 Three volt realtime clock battery CASFAN1 Case fan connector 1 CDIN1 Primary CD-in connector CDIN2 Secondary CD-in connector CNR1 Communications Networking Rise slot CPU SOCKET Micro PGA 478-pin socket for Pentium 4 CPUs...

  • Page 71: Checking Jumper Settings

    Use the mainboard jumpers to set system configuration options. Jumpers with more than one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on the correct pins. The illustrations below show a 2-pin jumper. When the jumper cap is placed on both pins, the jumper is SHORT.
  • Page 72 Jumper Settings Jumper Type 3-pin 3-pin Jumper 1 – Jumper 3 – Description Setting (default) Clear CMOS 1-2: Normal 2-3: Clear BIOS protect 1-2: Write Protect Disabled 2-3: Write Protect Enabled Enables you to clear the BIOS. Follow these instructions: Turn the system off.

  • Page 73: Fru (Field Replaceable Unit) List

    Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
  • Page 74 Chapter 6...

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