Acer Aspire L350 Service Manual

Acer Aspire L350 Service Manual

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Aspire L350/Veriton 1000
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 L350

  • Page 1 Aspire L350/Veriton 1000 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 L350/Veriton 1000 service guide. Date Chapter Updates January 9, 2007 initial release...
  • Page 3 Copyright Copyright © 2007 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...
  • Page 4 Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
  • Page 5 Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions.
  • Page 6 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: Table Of Contents

    Aspire L350 Disassembly Procedure ........51...
  • Page 8 Removing the HDD and the MCE Board ......58 Removing the Front IO Assembly ........60 Removing Cables/TV Tuner Board/TV Tuner Card and Wireless LAN Card .
  • Page 9: Chapter 1 System Specifications

    AMD mobile Athlon 64x2 and Sempron processor enable this product working with less power consumption: only 62W. This exactly shows Acer’s endeavor to environment protection. AcerPower integrates nVidia C51PV/G that supports 475/425 MHz graphics core speed, DVI output and directX-9 high level specification.
  • Page 10: Features

    Socket Quantity: 1 Supports Intel Conroe (E6700/E6600/E6400/E6300) TDP=65W L2 Cache varies with CPU Chipset Northbridge: Intel G965, Southbridge: Intel ICH8DH (ViiV-for Aspire L350) Northbridge: Intel Q965, Southbridge: Intel ICH8DO (vPro-for Veriton 1000) Memory Socket Type: DDR II so-DIMM,1.8 Voltage Socket Quantity: 2...
  • Page 11 Controller : Intel ICH8DH (for Aspire L350)/Intel ICH8DO (for Veriton 1000) LAN Chip : Intel 82556DC supports Giga LAN Should be worked under 10/100/1000 Mbs environment Integrated 1.25 GHz SERDES for 1000BASE-X fiber applic Reserved disabled function on both hardware & BIOS side. Default is enabled...
  • Page 12 1 LAN LED TV Daughter board 2 Antenna input 1 S-video/composite/stereo input 1 S-video output 1 SPDIF output Main Board Connectors 1 CPU socket LGA775 2 memory DDR II sockets so-DIMM 1 mini-PCI 2 SATA IDE connectors 2 USB connectors with 2*5 connector System fan connector 4-pin Power/LED FPIO 2*7 pin connector GPIO for on button recovery...
  • Page 13 2 USB connectors with 2*5 connectors System fan connector 4-pin Power/LED FPIO 2*7 pin connector GPIO for one button recovery Intruder header Other Connectors 1 Intrusion switch 1 recovery button Chapter 1...
  • Page 14: System Block Diagram

    System Block Diagram Chapter 1...
  • Page 15: Main Board Layout

    Main Board Layout DC_IN DC IN Connector Nvidia C51 NorthBridge VGA Connector MCP51 Nvidia MCP51 SouthBridge SATA_ODD_POW SATA ODD power COMS_BAT COMS Battery Holder Header SATA_HDD_POW SATA HDD power CLS_CMOS Clear COMS Header Header DVI_ADUIO DVI and Audio BUZZER System BUZZER Connector TVOUT_SPDIF TV OUT and SPDIF...
  • Page 16: Your Acer Notebook Tour

    Your Acer Notebook tour After knowing your computer features, let us show you around your new AcerPower computer. Front view Component Description Power button Press to power on or power off the system. Media activity Indicates when the hard disk or optical drive is active.
  • Page 17: Rear View

    USB 2.0 ports Connects to USB peripherals devices (e.g., USB mouse, USB printer, USB combo drive, digital cameras). 1/4” microphone jack Connects to a microphone. 1/4” headphone jack Connects to a headphone. 4-pin IEEE 1394 port Connects to an IEEE 1394 device (e.g., digital video camcorder).
  • Page 18 Component Description HDMI Connects to a TV with HDMI input. Coaxial digital audio output jack Connects to a digital device, such as MiniDisc recorders, home theater receivers, or A/V receivers. USB 2.0 ports Connects to USB peripheral devices (e.g., USB mouse, USB printer, USB drive).
  • Page 19: System Peripherals

    System Peripherals The Aspire L350 and Veriton 1000 computer consist of the system itself, and system peripherals, like a mouse, keyboard and a set of speakers (optional). This section provides a brief description of the basic system peripherals. Mouse (PS/2 or USB, manufacturing option) The included mouse is a standard two-button wheel mouse.
  • Page 20 Chapter 1...
  • Page 21: Hardware Specifications And Configurations

    Specification BIOS code programmer Award BIOS version BIOS ROM size 8Mbit (=1MB for Aspire L350)/16Mbit (=2MB for Veriton 1000) BIOS ROM package 32-pin PLCC package Support protocol USB 1.1, 2.0, ACPI 1.2, 2.0, LS-120 removable media support, SMBIOS 2.4, WFF 2.0 (wire for management), ASF 2.0, LPC decoding for TPM support, SIPP support, PnP...
  • Page 22 BIOS Hotkey List Hotkey Function Description Del/F12 Enter BIOS Setup Utility/Enter Press while the system is booting to Boot menu enter BIOS Setup Utility or boot menu. System Memory Item Specification Memory Slot Number 2 Slots Supported Memory Size per Slot 256 MB ~ 1GB Supported Maximum Memory Size Supported Memory Speed...
  • Page 23 Number of the connectors 6 (for Aspire L350)/ 8 (for Veriton 1000) Location Rear : 2 (for Aspire L350)/ 4 (for Veriton 1000) Front : 4 (for Aspire L350)/ 4 (for Veriton 1000) USB Class Support legacy keyboard for legacy mode...
  • Page 24 Memory Address Map Address Size Function 0000000 - 009FFFF 640 KB System Memory Onboard DRAM 00A0000-00BFFFF 128 KB Video RAM Reserved for Graphics Display Buffer Non-Cacheable 00C0000-00CFFFF 32 KB I/O Expansion ROM Reserved for ROM on I/O Adapters 00D0000-00D3FFF 16 KB I/O Expansion ROM Reserved for ROM on I/O Adapters 00D4000-00D7FFF...
  • Page 25 I/O Address Map Hex Range Devices 000-01F DMA Controller-1 020-021 Interrupt Controller-1 040-043 System Timer 060-060 Keyboard Controller 8742 061-061 System Speaker 070-071 CMOS RAM Address and Real Time Clock 080-08F DMA Page Register 0A0-0A1 Interrupt Controller-2 0C0-0DF DMA Controller-2 0F0-0FF Math Co-Processor 170-177...
  • Page 26 Environmental Requirements Item Specifications Temperature Operating +5°C ~ +35°C Non-operating -20 ~ +60°C (Storage package), -10°C~+60°C (un-package) Humidity Operating 15% to 80% RH, non-condensing Non-operating 10% to 90% RH, non-condensing at 40°C Vibration Operating (unpacked) 5 ~ 500Hz, 2.20g RMS random,10 minutes per axis in all 3 axes Non-operating (packed) 5 ~ 500Hz, 1.09g RMS random,1 hour per axis in all 3 axes Shock Operating...
  • Page 27: 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 28: Dual Channel

    Dual Channel VT x800 series support the Dual Channel Technology. After operating the dual channel technology, the bandwidth of memory bus will add double up to 4GB/s. The mainboard includes 4 DIMM slots, and each channel has two DIMM sockets as following: Channel A : DDR1, DDR3 Channel B : DDR2, DDR4 If you want to operate the Dual Channel Technology, please note the following explanations due to...
  • Page 29: Chapter 2 System Utilities

    Chapter 2 System Utilities BIOS (Basic Input and Output System) includes a CMOS SETUP utility which allows user to configure required setting or to active certain system features. The CMOS SETUP saves the configuration in the CMOS SRAM of the mainboard. When the power is turned off, the battery on the mainboard supplies the necessary power to the CMOS SRAM.
  • Page 30: Entering Setup

    Entering Setup Once enter Award BIOS CMOS Setup Utility, the Main Menu (as figure below) will appear on the screen. Use arrow keys to select among the items and press <Enter> to accept or enter the sub-menu. Phoenix - Award BIOS CMOS Setup Utility Product Information PC Health Status Standard CMOS Features...
  • Page 31: Product Information

    Product Information Phoenix - Award BIOS CMOS Setup Utility Product Information Product Name Aspire L350 Item Help System S/N Menu Level Main Board ID EG965RT System BIOS Version R01-A0 SMBIOS Version BIOS Release Date Nov. 21, 2006 :Move Enter: Select +/-/PU/PD :Value F10:Save ESC:Exit F1:General Help...
  • Page 32: Standard Cmos Features

    Standard CMOS Features Phoenix - Award BIOS CMOS Setup Utility Standard CMOS Features Date (MM:DD:YY): Mon, Nov 21 2006 Item Help Time (HH:MM:SS): 11:08:43 Menu Level IDE Channel None SATA Channel None Halt On [All, But Keyboard] Base Memory 640K Extended Memory 2070528K Total Memory...
  • Page 33 Parameter Description Options Base Memory The amount of RAM that comes with each model of a particular computer. The base memory can usually be upgraded to a significantly higher amount. For example, a desktop machine with 64MB might be upgradable to 768MB. Extended Memory Total Memory Chapter 2...
  • Page 34: Advanced Bios Features

    Advanced BIOS Features The following screen shows the Advanced BIOS Features: Phoenix - Award BIOS CMOS Setup Utility Advanced BIOS Features CPU Feature [Press Enter] Hard Disk Boot Priority [Press Enter] Network Boot Priority [Press Enter] CPU L1 & L2 Cache [Enabled] Item Help CPU L3 Cache...
  • Page 35 Parameter Description Options CPU L1 & L2 Cache This BIOS feature controls the functionality of Enabled the processor's L1 & L2 cache. Disabled When enabled, the processor's Ll 1 & L2 cache will be allowed to function. This allows the best possible performance from the processor.
  • Page 36 Parameter Description Options APCI Mode This option is used to set up enable or disable Enabled the APCI function Disabled MPS Version Control For OS This feature is only applicable to multiprocessor 1.1, 1.4 motherboards as it specifies the version of the Multi-Processor Specification (MPS) that the motherboard will use.
  • Page 37: Cpu Feature

    Parameter Description Options Configuration Table This feature allows you to enable or disable if Enabled showing summary screen or not Disabled CPU Feature The following screen shows the Advanced BIOS Features: Phoenix - Award BIOS CMOS Setup Utility CPU Feature Item Help Thermal Management [Enabled]...
  • Page 38 Parameter Description Options C1E Function Also called “Enhanced Halt State” function. It is Auto improved function for Intel (R) Pentium 4 Enabled processor C1 Halt state. The operating system Disabled will send out HLT command to the processor while the system loading is not high. This allows the processor to enter power-saving C1 halt state and to reduce the loading for the processor.
  • Page 39: Hard Disk Boot Priority

    Hard Disk Boot Priority The following screen shows the hard disk boot priority: Phoenix - Award BIOS CMOS Setup Utility Hard Disk Boot Priority Item Help 1. Bootable Add-in Cards Menu Level Use < > or < > to select a device, then press <+>...
  • Page 40: Network Boot Priority

    Network Boot Priority The following screen shows the network boot priority: Phoenix - Award BIOS CMOS Setup Utility Network Boot Priority Item Help 1. Legacy Lan Cards Menu Level Use < > or < > to select a device, then press <+> to to move it up, or <->...
  • Page 41: Advanced Chipset Features

    Advanced Chipset Features Phoenix - Award BIOS CMOS Setup Utility Advanced Chipset Features Item Help System BIOS Cacheable [Enabled] Menu Level Memory Hole at 15M-16M [Disable] PCI Express Root Port Func [Press Enter] ** VGA Setting ** On-Chip Frame Buffer Size [8MB] DVMT Mode [DVMT]...
  • Page 42 Parameter Description Options Memory Hole at 15M-16M Certain ISA cards require exclusive access to the 1MB Enabled block of memory, from the 15th to the 16th megabyte, to Disabled work properly. This BIOS feature allows you to reserve that 1MB block of memory for such cards to use. If you enable this feature, 1MB of memory (the 15th MB) will be reserved exclusively for the ISA card's use.
  • Page 43 Parameter Description Options On-Chip Frame Buffer Size This BIOS feature controls the amount of system memory 1MB, 4MB, 8MB, that is allocated to the integrated graphics processor when 16MB, 32MB, the system boots up. However, its effect depends on 64MB, 128MB (for whether your motherboard supports the older Unified UMA) Memory Architecture (UMA) or the new Dynamic Video...
  • Page 44 Parameter Description Options DVMT Mode Unified Memory Architecture (UMA) is a concept whereby Fixed, DVMT, system memory is shared by both CPU and graphics Both processor. While this reduces cost, it also reduces the system's performance by taking up a large portion of memory for the graphics processor.
  • Page 45 Parameter Description Options DVMT/FIXED Memory Size Unified Memory Architecture (UMA) is a concept whereby 64MB, 128MB system memory is shared by both CPU and graphics processor. While this reduces cost, it also reduces the system's performance by taking up a large portion of memory for the graphics processor.
  • Page 46: Integrated Peripherals

    Integrated Peripherals All onboard peripherals can be set up through this menu. Phoenix - Award BIOS CMOS Setup Utility Integrated Peripherals SATA Mode AHCI Item Help USB Controller [Enabled] USB 2.0 Controller [Enabled] Menu Level USB Keyboard Support [Enabled] USB Mouse Support [Enabled] Onboard 1394 Controller [Enabled]...
  • Page 47 Parameter Description Options USB Controller This BIOS feature enables or disables the Enabled motherboard's onboard USB controller. Disabled It is recommend that you enable this feature so that you can use the onboard USB controller to communicate with your USB devices. If you disable this feature, the USB controller will be disabled and you will not be able to use it to communicate with any USB device.
  • Page 48: 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. Phoenix - Award BIOS CMOS Setup Utility Power Management Setup ACPI Function [Enabled] Item Help...
  • Page 49 Parameter Description Options Soft-Off by PWR-BTTN This feature allows users to configure the power button Instand-off : Press down function. button then power off instantly Delay 4 Sec. : Press power button 4 sec. to power off. Enter suspend if button is pressed less than 4 sec.
  • Page 50: Pnp/Pci Configuration

    PnP/PCI Configuration Phoenix - Award BIOS CMOS Setup Utility PNP/PCI Configurations Reset Configuraton Data [Disabled] Item Help Resources Controlled By [Auto(ESCD)] Menu Level X IRQ Resources Press Enter Default is Disabled. PCI/VGA Palette Snoop [Disabled] Select Enabled to INT Pin 1 Assignment [Auto] reset Extended System INT Pin 2 Assignment...
  • Page 51: Pc Health Status

    PC Health Status Phoenix - Award BIOS CMOS Setup Utility PC Health Status Item Help Advanced Fan Speed Control [Press Enter] CPU FAN Speed 2871 RPM Menu Level SYS FAN Speed 2719 RPM CPU core voltage 1.28V +3.3V 3.28V 5.10V +12V 12.08V DIMM voltage...
  • Page 52: Frequency Control

    Frequency Control Phoenix - AwardBIOS CMOS Setup Utility Frequency Control Auto Detect PCI Clk [Enabled] Item Help Spread Spectrum [Enabled] CPU Host/SRC/PCI Clock [Enabled] Menu Level :Move Enter: Select +/-/PU/PD :Value F10:Save ESC:Exit F1:General Help F5:Previous Values F7:Default Settings Parameter Description Auto Detect PCI Clk To reduce the occurrence of electromagnetic...
  • Page 53: Load Default Settings

    Load Default Settings Selecting the field loads the factory defaults for BIOS and Chipset Features which the system automatically. detects. Phoenix - Award BIOS CMOS Setup Utility Product Information PC Health Status Standard CMOS Features Frequency Control Advanced BIOS Features Load Default Settings Advanced Chipset Features Set Supervisor Password...
  • Page 54: Set Supervisor/User Password

    Set Supervisor/User Password When this function is selected, the following message appears at the center of the screen to assist you in creating a password. Phoenix - Award BIOS CMOS Setup Utility Product Information PC Health Status Standard CM OS Features Frequency Control Advanced BIOS Features Load Default Settings...
  • Page 55: Save & Exit Setup

    Save & Exit Setup Highlight this item and press <Enter> to save the changes that you have made in the Setup Utility and exit the Setup Utility. CMOS Setup Utility - Copyright (C) 1984-2005 Award Software Product Information PC Health Status Standard CMOS Features Frequency Control Advanced BIOS Features...
  • Page 56: Exit Without Saving

    Exit Without Saving Highlight this item and press <Enter> to discard any changes that you have made in the Setup Utility and exit the Setup Utility. CMOS Setup Utility - Copyright (C) 1984-2005 Award Software Product Information PC Health Status Standard CMOS Features Frequency Control Advanced BIOS Features...
  • Page 57: Chapter 3 Machine Disassembly And Replacement

    Chapter 3 Machine Disassembly and Replacement This chapter will guide you how to disassemble and Reassemble the Aspire L350/Veriton 1000. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge. Wire cutter.
  • Page 58: General Information

    General Information Before You Begin Before proceeding with the disassembly 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 59: Aspire L350 Disassembly Procedure

    Aspire L350 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.
  • Page 60: Removing The Top Cover And Front Bezel Assembly

    Removing the Top Cover and Front Bezel Assembly Remove the screw fastening the top cover. Remove the top cover from the system. Pull up the three locks as shown. Chapter 3...
  • Page 61 Detach the front bezel from the system. Place the front bezel as shown. Release the hooks holding the PCB card. Chapter 3...
  • Page 62: Removing The Rf Keyboard/Mouse Antenna And Odd Module

    Detach the PCB card from the left side. You can then remove the front bezel. Removing the RF Keyboard/Mouse Antenna and ODD Module Remove the two screws holding the RF keyboard/mouse antenna. Chapter 3...
  • Page 63 Then disconnect the RF keyboard/mouse antenna as shown. If you only need to remove the ODD module, you can remove the screw holding the ODD module to the system as shown. Then push the ODD module outwards as shown. Remove the two screws fastening the ODD bracket to the ODD. Chapter 3...
  • Page 64: Removing The Cage Assembly

    Detach the ODD bracket from the ODD. Removing the Cage Assembly Remove the three screws holding the cage assembly to the system. There are four fastening hooks holding the cage assembly. See the closeup for the fastening hooks below. Chapter 3...
  • Page 65 Push the cage assembly outwards (step 1), then hold the cage plastic belt to lift the cage assembly (step Disconnect the cables as shown. Disconnect the cables. Chapter 3...
  • Page 66: Removing The Hdd And The Mce Board

    Lift the cage assembly. Disconnect the antennae then remove the cage assembly. Removing the HDD and the MCE Board Remove the two screws holding the MCE board to the HDD/ODD bracket. Then detach the MCE board and disconnect the MCE cable from the MCE board. Chapter 3...
  • Page 67 Remove the four screws holding the HDD to the HDD/ODD bracket. Push the HDD out of the HDD/ODD bracket. Remove the screw fastening the ODD transfer board on the HDD/ODD bracket, then push the ODD transfer board to the left to detach the board. Chapter 3...
  • Page 68: Removing The Front Io Assembly

    Removing the Front IO Assembly Disconnect the cables as shown. Remove the screw fastening the front IO assembly to the system. Pull out the IO assembly as shown. Chapter 3...
  • Page 69: Removing Cables/Tv Tuner Board/Tv Tuner Card And Wireless Lan Card

    Then detach the IO assembly as shown. Remove three screws holding the IO board (two screws) and card reader (one screw) to the IO bracket. Then detach the IO board and card reader. Removing Cables/TV Tuner Board/TV Tuner Card and Wireless LAN Card Cut off the cable ties and disconnect the cables from the system.
  • Page 70: Removing The Thermal Module/Cpu/Memory And The Main Board

    Disconnect the antennae and detach the TV tuner board. Pop out the TV tuner card and detach the wireless LAN card from the main board. Removing the Thermal Module/CPU/Memory and the Main Chapter 3...
  • Page 71 Board Disconnect the system fan power cable. Remove the four screws holding the system fan on the rear side. Then detach the fan from the system. Remove the four screws fastening the heat sink to the main board. (Follow the order indicating by the numbers).Then detach the heat sink from the main board.
  • Page 72 Pop out the memories and remove them from the main board. Remove the four screws and one fastening screw holding the main board to the chassis. Lift the main board as shown then detach the main board from the chassis. Chapter 3...
  • Page 73 Chapter 3...
  • Page 74: Veriton 1000 Disassembly Procedure

    Veriton 1000 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. Removing the Stand Assembly Remove the screw holding the stand assembly.
  • Page 75: Removing The Top Cover And Front Bezel Assembly

    Removing the Top Cover and Front Bezel Assembly Remove the screw fastening the top cover. Remove the top cover from the system. Pull up the three locks as shown. Chapter 3...
  • Page 76: Removing The Odd Module

    Place the front bezel as shown. Release the two hooks highlighted with red circles, then detach the cable from the front bezel. Removing the ODD Module Remove the screw holding the ODD module to the system. Chapter 3...
  • Page 77 Push the ODD module outwards and remove it from the system. Remove the two screws holding the ODD bracket to the ODD. Turn over the ODD module (with ODD bracket) and detach the ODD module as shown. NOTE: If you only need to remove the ODD module, you can do as the steps mentioned above. However, if you need to remove the entire cage assembly, please see the steps below.
  • Page 78: Removing The Cage Assembly

    Removing the Cage Assembly Remove the three screws holding the cage assembly to the system. There are four fastening hooks holding the cage assembly. See the close-up for the fastening hooks below. Push the cage assembly outwards, then hold the cage plastic belt to lift the cage assembly. Chapter 3...
  • Page 79: Removing The Hdd And Odd Transfer Board

    Disconnect the cables and remove the cage assembly. Removing the HDD and ODD Transfer Board Disconnect the four screws fastening the HDD to the HDD/ODD bracket. Detach the HDD from the HDD/ODD bracket. Remove the screw fastening the ODD transfer board on the HDD/ODD bracket, then push the ODD transfer board to the left to detach the board.
  • Page 80: Removing The Front Io Assembly

    Removing the Front IO Assembly Disconnect the cables from the main board as shown. Remove the screw holding the front IO assembly to the chassis. Pull out the front IO assembly from the chassis. Then push to the right to remove the front IO assembly. Chapter 3...
  • Page 81: Removing The Cables

    Remove the two screws holding the front IO USB board and the bracket. Removing the Cables Cut off the cable ties and remove the cables. Remove the screw fastening the power switch cable to the chassis. Chapter 3...
  • Page 82: Removing The Thermal Module/Cpu/Memory And The Main Board

    Disconnect the power switch cable from the main board and remove the cable. Removing the Thermal Module/CPU/Memory and the Main Board Disconnect the system fan power cable. Remove the four screws holding the system fan on the rear side. Then detach the fan from the system. Chapter 3...
  • Page 83 Remove the four screws fastening the heat sink to the main board. (Follow the order indicating by the numbers).Then detach the heat sink from the main board. NOTE: The thermal module on the headline refers to the system fan and the heat sink. Release the CPU lock and remove the CPU from the socket.
  • Page 84 Remove the four screw nuts on the rear side. Remove the four screws and one fastening screw holding the main board to the chassis. Lift the main board as shown then detach the main board from the chassis. Chapter 3...
  • Page 85 Chapter 3...
  • Page 86: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting This chapter provides troubleshooting information for the Aspire L350/Veriton 1000 Power-On Self-Test (POST) Index of Error Message Index of Error Symptoms Undetermined Problems Chapter 4...
  • Page 87: 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 88 Checkpoint Description Initial Superio_Early _Init switch Reserved 1. Blank out screen 2. Clear CMOS error flag Reserved 1. Clear 8042 interface 2. Initialize 8042 self-test 1. Test special keyboard controller for Winbond 977 series Super I/O chips. 2. Enable keyboard interface. Reserved 1.
  • Page 89 Checkpoint Description 1. Check validity of RTC value: e.g. a value of 5Ah is an invalid value for RTC minute. 2. Load CMOS settings into BIOS stack. If CMOS checksum fails, use default value instead. 3. Prepare BIOS resource map for PCI & PnP use. If ESCD is valid, take into consideration of the ESCD’s legacy information.
  • Page 90 Checkpoint Description Test 8254. Reserved Test 8259 interrupt mask bits for channel 1 Reserved Test 8259 interrupt mask bits for channel 2 Reserved Reserved Test 8259 functionality Reserved Reserved Reserved Initialize EISA slot Reserved 1. Calculate total memory by testing the last double word of each 64K. 2.
  • Page 91 Checkpoint Description 1. Initialize Init_Onboard_Super_IO switch. 2. Initialize Init_Onboard_AUDIO switch. Reserved Reserved Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility. Reserved Reserved Reserved Reserved Initialize PS/2 Mouse Reserved Prepare memory size information for function call: INT 15h ax=E820h Reserved Turn on L2 cache...
  • Page 92 Checkpoint Description Reserved 1. Switch back to text mode if full screen logo is supported. -If errors occur, report errors & wait for keys -If no errors occur or F1 key is pressed to continue: Clear EPA or customization logo. Reserved Reserved 1.
  • Page 93: 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 Symptoms List”...
  • Page 94 BIOS Messages Action/FRU Keyboard Error Or No Keyboard Present Cannot initialize the keyboard. Make sure the keyboard is attached correctly and no keys are pressed during POST. To purposely configure the system without a keyboard, set the error halt condition in Setup to HALT ON ALL, BUT KEYBOARD.
  • Page 95: 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.
  • Page 96 Error Symptom Action/FRU Diskette drive read/write error. 1. Diskette. 2. Diskette drive cable. 3. Diskette drive. 4. Main board. Diskette drive LED comes on for more 1. Diskette than 2 minutes when reading data. 2. Diskette drive connection/cable 3. Diskette drive 4.
  • Page 97 Error Symptom Action/FRU CD/DVD-ROM drive does not read and 1. CD may have dirt or foreign material on it. Check with a there are no messages are displayed. known good disc. 2. Ensure the CD/DVD-ROM driver is installed properly. 3. CD/DVD-ROM drive. CD/DVD-ROM drive can play audio CD 1.
  • Page 98 Error Symptom Action/FRU Display problem not listed above 1. “Monitor" (including blank or illegible monitor). 2. Load default settings (if screen is readable). 3. Main board Chapter 4...
  • Page 99 Error Symptom Action/FRU Parallel/Serial Ports 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 1. Make sure that the LPT# or COM# you test is the same failed.
  • Page 100: Undetermined Problems

    Check all cables and connectors for proper installation. If the jumpers, switches and voltage settings are correct, remove or disconnect the following, one at a time: 10. Non-Acer devices External devices Any adapter card (modem card, LAN card or video card, if installed)
  • Page 101: Chapter 5 Jumper And Connector Information

    Chapter 5 Jumper and Connector Information Main Board Layout CPU Socket LGA775 socket for Intel SPI2 Video input header CoreTM 2 Duo with 65W TDP CPUs SATA1~2 Serial ATA connectors F_AUDIO2 Front panel audio header SCN2~3 Two 200-pin DDR2 MINI_PCI1 32-bit/33 MHz MINI PCI SDRAM SO-DIMMs slot...
  • Page 102 F_PANEL1 Front panel switch/LED CPU_FAN1 CPU cooling fan header connector USB3~4 Front panel USB headers Clear CMOS Jumper (JP2) Settings Location Symbol Description Function 1-2: NORMAL Clear CMOS Before clearing the CMOS,make sure to turn off the sys-tem. 2-3: CLEAR CMOS Location and Header Type Signal Name CPU_FAN1...
  • Page 103 Location and Header Type Signal Name USB3 USBPWR1 USBPWR1 USBP2N USBP2N USBP2P USBP3P USB4 USBPWR6 USBPWR6 USBP0N USBP1N USBP0P USBP1P AUDIO1 MIC2_RL AGND MIC2_RR VCC3 LINE2_RR RET_R REVD LINE2_RL RET_L 1394CN1 CPWR CPWR Chapter 5...
  • Page 104 Location and Header Type Signal Name SPI2 S_VIDEO_Y S_VIDEO_C AUDIO_R_IN AUDIO_L_IN COMP_IN USBPWR3 USBP4N USBP4P F_AUDIO1 MIC2-L AGND LINE2-R VCC3 LINE2-R PET_R SENSEB LINE2-L RET_L Chapter 5...

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