Acer Power SP Service Manual

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Power SP
Service Guide
Service guide files and updates are available
on the AIPG/CSD web; for more information,
please refer to



  Summary of Contents for Acer Power SP

  • Page 1 Power SP Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to PRINTED IN TAIWAN P/N: VD.PSPVF.001...
  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on Acer Power SP service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2003 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 Acer Power SP supports Intel Pentium 4 Northwood based micro-ATX, IBM PC/AT compatible system with PCI/AGP bus. NOTE: CPU frequency: up to 2.6GHz. Chapter 1 Chapter 1...
  • Page 8: Features And Specifications

    Features & Specifications Intel Pentium 4 Willamette/Northwood, Celeron Front Side Bus: 400MHz Frequency: up to 2.6GHz Chipset Brookdale-GL ICH: Intel ICH4. SST 49LF002 FWH (2MB) Memory Two DIMM sockets DDR 200/266 Capacity: 128MB ~ 1GB (please refer to the AVL list for compatibility). BIOS Winbond 49V002FAP FWH (2MB) Award BIOS code...
  • Page 9: Expansion Slots

    Expansion slots 3 PCI slot (PCI 2.2) Board size Micro-ATX, 4 Layers Industrial Standard Windows Hardware Compatibility Labs ACPI 1.0b PCI 2.2 PC2001 compliance Wired for Management 2.0 Suspend to RAM Chapter 1...
  • Page 10: Front Panel

    Front Panel The computer’s front panel consists of the following: Label Optical Drive‘ Floppy Drive Power Button USB Ports Microphone Jack Speaker/Headphone Jack Description Chapter 1...
  • Page 11: Rear Panel

    Rear Panel The computer’s rear panel consists of the following: Label Power cord socket PS/2 keyboard port Serial connector Monitor connector Headphone jack Speaker Jack Microphone Jack USB Connector PCI card slot Fan aperture PS/2 mouse connector Printer connector Game/MIDI port RJ-45 ethernet connector Chapter 1 Description...
  • Page 12 Chapter 1...
  • Page 13: 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 14 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 15: 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 16 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 17: 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 18: 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 19: 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 20 Switching Power Supply 200W Input Frequency 50MHz 60MHz Input Voltage 100 - 120 VRMS 200 - 240 VRMS Input Current NOTE: Measure at line input 90 VRMS and maximum load condition. Output Requirements +12V -12V +3.3V +5Vaux NOTE: APSP is equipped with a 200W power supply. Frequency Variation Range 47MHz to 53MHz 57MHz to 63MHz...
  • Page 21: 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 22 Chapter 1...
  • Page 23: 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 24: Entering Setup

    Entering Setup Power on the computer and the system will start POST (Power On Self Test) process. When the message of “Press DEL to enter SETUP” appears on the screen, press 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 25 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 26: 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 (may be required when asking for technical support).
  • Page 27 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 28: 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 29 Parameter IDE Secondary Channel Master IDE Secondary Channel Slave Drive A Drive B 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 30: 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 31 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 32: Advanced Chipset Features

    Advanced Chipset Features The advanced chipset 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. Chapter 2...
  • Page 33: 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 34 Parameter USB Controller This item is used to enable or disable the on-chip USB. 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 35 Chapter 2...
  • Page 36: 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 37 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 monitor will shut down. Susp, Stby --> During suspend or standby mode, the monitor will shut down.
  • Page 38: 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 39: 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 40: Frequency Control

    Frequency Control The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings. Parameter CPU Clock Ratio If the CPU Ratio is set to Manual, end users can choose a suitable ratio to support the CPU. Auto Detect PCI Clk This option allows you to enable/disable the feature of auto detecting the clock frequency of...
  • Page 41: 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 42: 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 43: 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 44 Chapter 2...
  • Page 45: Machine Disassembly And Replacement

    Machine Disassembly and Replacement Please also refer to the Acer Power SP Service CD for the assembly/disassembly procedure. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge. Wire cutter. Phillips screwdriver (may require different size).
  • Page 46: 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 47: Standard Disassembly Procedure

    Standard Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. Please also refer to the disassembly video, if available. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. Opening the System Place the system unit on a flat, steady surface.
  • Page 48: Removing The Power Supply

    Press the latch and remove the CD-ROM drive. Press the latch and remove the floppy drive. Press the latch again to release the hard disk module. Detach the HDD from the bracket. Removing the Power Supply Remove the screws as shown here. Remove the power supply.
  • Page 49: Removing The Heatsink And The Cpu

    Removing the Heatsink and the CPU Disconnect the Pentium 4 CPU power cable. Release the two heatsink latches. Remove the heatsink module. Remove the CPU by following the instructions here. Removing the Daughter Board Remove the screw as shown here. Detach the USB cables from the daughter board.
  • Page 50 Chapter 3...
  • Page 51: Troubleshooting

    Chapter 4 Troubleshooting This chapter provides troubleshooting information for the Acer Power SP: 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 52: 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 53: 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 54 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 55 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 56 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 57 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 58 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 59: 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 60 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 61: 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 62 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 63 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 64 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 65: Jumper And Connector Information

    Chapter 5 Jumper and Connector Information Acer Power SP Jumpers and Connectors Refer to the following figure for the location of the jumpers and connectors on the main board: Chapter 5...
  • Page 66 Chapter 5...
  • Page 67: Connector Description

    Connector Description Connector No. RS232 PS2 KB&MS Audio Jack & Game Midiport Parallel port & serial port and VGA connector Network and USB ports CD-in 2 CD-in 1 Modem-in ATX-12V CN10 Front audio connector CN11 AUX-in CN13 Front USB connector CN14 Front USB connector CN15...
  • Page 68: Jumper Setting

    Jumper Setting Connector No. Keyboard power 1-2 5V_SYS 2-3 5V_SB Back Fan CPU Fan LAN disable 1-2 LAN Disable 2-3 Normal BIOS setting 1-2 Clear CMOS 2-3 Default Chassis Fan BIOS Write Protect 1-2 Normal 2-3 BIOS Write Protect Description Chapter 5...
  • Page 69: Fru (Field Replaceable Unit) List

    FRU parts for repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to return it.