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Acer Aspire M3985 Service Manual

Acer aspire m3985 desktop service guide
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Acer
Aspire M3985
Service Guide
PRINTED IN TAIWAN

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  Summary of Contents for Acer Aspire M3985

  • Page 1 Acer Aspire M3985 Service Guide PRINTED IN TAIWAN...
  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on this service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2012 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 Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose.
  • Page 5 Conventions The following conventions are used in this manual: SCREEN Denotes actual messages that appear on screen. MESSAGES NOTE Gives additional information related to the current topic. WARNING Alerts you to any physical risk or system damage that might result from doing or not doing specific actions.
  • Page 6: Fru Information

    Service Guide Coverage This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability).
  • Page 7: Table Of Contents

    Table of Contents System Tour Features Block Diagram System Components Front Panel Rear Panel Hardware Specifications and Configurations Power Management Function(ACPI support function) System Utilities CMOS Setup Utility Entering CMOS setup Navigating Through the Setup Utility Setup Utility Menus System Disassembly and Assembly Disassembly Requirements Pre-disassembly Procedure Removing the Side Panel...
  • Page 8 System External Inspection System Internal Inspection Beep Codes Checkpoints BIOS Recovery Jumper and Connector Information M/B Placement Jumper Setting Internal header pin definition Connector pin definition FRU (Field Replaceable Unit) List Aspire M3985 Exploded Diagram Aspire M3985 FRU List viii...
  • Page 9: System Tour

    Chapter 1 System Tour Features Below is a brief summary of the computer’s many feature: NOTE: The features listed in this section is for your reference only. The exact configuration of the system depends on the model purchased. Operating System Microsoft Windows 7 Home Premium x64 •...
  • Page 10: Hard Disk Drive

    Hard disk drive Support up to three SATA ports. • 3.5",25.4mm. • Capacity and models are listed on AVLC. • Optical disk drive Support one SATA 5.25" standard ODD. • Support DVD-ROM, DVD-SuperMulti, BD-combo, BD-rewrite. • Maximum ODD depth to 185mm with bezel. •...
  • Page 11 USB3.0 Rear IO: * 2 ports. • Internal Header: *4 ports (2 * USB2.0 H5X2 Header). • All ports should meet USB IF spec and support 1A current over drive. • Upper port should reserve 1.5A charger when power state at S3/S4/S5. The charger port should be •...
  • Page 12: System Bios

    System BIOS Type: Use SPI Flash • System BIOS: 8MB • Kernel: AMI Kernel with Acer skin • Power supply Non PFC 300W / PFC 300W /FR 300W. • Support models are listed on AVLC. • Chapter 1...
  • Page 13: Block Diagram

    Block Diagram Chapter 1...
  • Page 14: System Components

    System Components This section is a virtual tour of the system’s interior and exterior components. Front Panel Component USB 2.0 ports Slave optical drive eject button HDD activity indicator Master optical drive eject button Press to open drive bay door and access the optical drive.
  • Page 15: Rear Panel

    Rear Panel Component Power connector PS2 keyboard port HDMI port VGA port USB 2.0 ports Line-out jack Microphone-in jack Expansion slot (Modem card and Graphics card) line-in jack RJ45 LAN connector USB 3.0 ports System FAN PS2 mouse port Chapter 1...
  • Page 16: Hardware Specifications And Configurations

    Hardware Specifications and Configurations Processor Item Specification Processor Type Intel Ivy Bridge / Sandy Bridge Processor includes unlock K SKU CPU Socket Type LGA1155 Minimum operating speed 0 MHz (If Stop CPU Clock in Sleep State in BIOS Setup is set to Enabled.) BIOS Item Specification...
  • Page 17: Memory Combinations

    Memory Combinations Slot Memory Total Memory Slot 1 1GB,2GB,4GB 1G ~4GB Slot 2 1GB,2GB,4GB 1G ~4GB Slot 3 1GB,2GB,4GB 1G ~4GB Slot 4 1GB,2GB,4GB 1G ~4GB Maximum System Memory Supported 1G~16GB System Memory Item Specification Memory slot number 4 slot Support Memory size per socket 1GB/2GB/4GB Support memory type...
  • Page 18: Audio Interface

    Audio Interface Item Specification Audio controller Intel PCH Panther Point B75 Audio controller type REALTEK/ALC662-VD0-GR Audio channel codec 5.1 Audio function control Enable/disable by BIOS Setup Mono or stereo Stereo Compatibility ALC662-VD meets audio performance and function requirements for the latest Microsoft Windows Logo Program and Lync specification.
  • Page 19: Power Management

    Power Management Devices Power Button USB Keyboard/Mouse Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Devices wake up from S3 should be less than. • Devices wake up from S5 should be less than 10 seconds. •...
  • Page 20: 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=1minute). • 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 &mouse for Windows.
  • Page 21: System Utilities

    Chapter 2 System Utilities CMOS Setup Utility CMOS setup is a hardware configuration program built into the system ROM, called the complementary metal- oxide semiconductor (CMOS) Setup Utility. Since most systems are already properly configured and optimized, there is no need to run this utility. You will need to run this utility under the following conditions. When changing the system configuration settings •...
  • Page 22: Entering Cmos Setup

    Entering CMOS setup Turn on the server and the monitor. If the server is already turned on, close all open applications, then restart the server. During POST, press Delete. If you fail to press Delete before POST is completed, you will need to restart the server. The Setup Main menu will be displayed showing the Setup’s menu bar.
  • Page 23: Setup Utility Menus

    Setup Utility Menus Main The Setup Main menu includes the following main setup categories. Parameter Description System BIOS Version Version number of the BIOS setup utility. Build Date Date when the BIOS setup utility was built Processor Type of CPU installed on the system. Core Frequency Core speed of the CPU installed on the system.
  • Page 24 Advanced Parameter Description Miscellaneous Press Enter to access the Miscellaneous submenu Advanced Chipset Configuration Press Enter to access the Advanced Chipset Configuration submenu Integrated Peripherals Press Enter to access the Integrated Peripherals submenu PC Health Status Press Enter to access the PC Health Status submenu Chapter 2...
  • Page 25 Miscellaneous Parameter Description Option AHCI Port0/1/2/3/4/5 Displays the status of auto detection of the AHCI device. Bootup Num-lock Selects power on state for Num Lock. USB Beep Message Enables or disables BIOS to display error beeps or messages during USB Enabled device enumeration.
  • Page 26: Advanced Chipset Configuration

    Advanced Chipset Configuration Intel EIST When enabled, this feature allows the OS to reduce power consumption. Enabled When disabled, the system operates at maximum CPU speed. Disabled Intel XD Bit When enabled, the processor disables code execution when a worm Enabled attempts to insert a code in the buffer preventing damage and worm Disabled...
  • Page 27: Integrated Peripherals

    Integrated Peripherals Parameter Description Option Onboard SATA Controller Enables or disables the onboard SATA controller. Enabled Disabled Onboard SATA Mode Select an operating mode for the onboard SATA. Native IDE AHCI Onboard USB Controller Enables or disables the onboard USB controller. Enabled Disabled Legacy USB Support...
  • Page 28: Pc Health Status

    PC Health Status Parameter Description Option Smart Fan Enables or disables the smart system fan control function. Enabled Disabled Chapter 2...
  • Page 29 Power Parameter Description Option ACPI Suspend Mode Select an ACPI state. S3 (STR) S1 (POS) Deep Power Off Mode Select the Deep power off Mode Enabled Disabled Power On by RTC Alarm Enables or Disables to wake up the system by RTC Alarm Function Enabled Disabled Power On by PCIE Devices...
  • Page 30 Security Parameter Description Option Supervisor Password This item indicates whether a supervisor password has been set. If the password has been installed, Installed displays. If not, Not Installed displays. User Password This item allows you to change user password. Change Supervisor You can select this option and press <Enter>...
  • Page 31: Boot Options

    Boot Options 1st/2nd/3rd/4th/5th Boot Specifies the boot order from the available devices. Device Hard Disk CD^DVD Removable Device EFI Device Priority Press Enter to access the EFI Device Priority submenu and specify the boot device priority sequence from available EFI devices. Hard Disk Drive Priority Press Enter to access the Hard Disk Drive Priority submenu and specify the boot device priority sequence from available hard drives.
  • Page 32 Exit Parameter Description Save & Exit Setup When you have completed the system configuration changes, select this option to leave the BIOS Setup Utility and reboot the computer, so the new system configuration parameters can Save & Exit Setup Enter take effect.
  • Page 33: System Disassembly And Assembly

    Chapter 3 System Disassembly and Assembly This chapter contains step-by-step procedures on how to disassemble and assembly the desktop computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge •...
  • Page 34: Pre-Disassembly Procedure

    Pre-disassembly Procedure Before proceeding with the disassembly procedure, perform the steps listed below: Turn off the system and all the peripherals connected to it. Unplug the power cord from the power outlets. Unplug the power cord from the system. Unplug all peripheral cables from the system. Place the system unit on a flat, stable surface.
  • Page 35: Removing The Side Panel

    Removing the Side Panel Remove the two screws located on the rear edge of the side panel. Slide the side panel toward the back of the chassis until the tabs on the cover disengage with the slots on the chassis. Lift the side panel away from the server and put it aside for reinstallation later.
  • Page 36: Removing The Front Bezel

    Removing the Front Bezel Remove the side panel. Refer to the previous section for instructions. Release the front bezel from the chassis interior. Pull the bezel away from the chassis. Chapter 3...
  • Page 37: Removing The Heat Sink Fan Assembly

    Removing the Heat Sink Fan Assembly WARNING:The heat sink becomes very hot when the system is on. NEVER touch the heat sink with any metal or with your hands. Use a long-nosed screwdriver to loosen the four screws on the heat sink, in the order as shown below. Note :CPU Fan has been highlighted with the yellow rectangle as above image shows.Please detach the CPU Fan and follow local regulations for disposal.
  • Page 38 Disconnect the fan cable from the mainboard. Remove the heat sink fan assembly then lay it down in an upright position—with the thermal patch facing upward. Do not let the thermal patch on the heat sink fan assembly touch the work surface. Use an alcohol pad to wipe off the thermal grease from both the heat sink and the processor.
  • Page 39: Removing The Processor

    Removing the Processor IMPORTANT:Before removing a processor from the mainboard, make sure to create a backup file of all important data. WARNING:The processor becomes very hot when the system is on. Allow it to cool off first before handling. Release the load lever. Lift the load lever and load plate to the fully open, upright position (1) and (2).
  • Page 40 Pull out the processor from the socket. IMPORTANT: If you are going to install a new processor, note the arrow on the corner to make sure the processor is properly oriented over the socket. Chapter 3...
  • Page 41: Removing The Vga Card

    Removing the VGA Card Remove the screw that secures the card to the chassis. Open PCI Latch. Chapter 3...
  • Page 42 Push to open the expansion slot lock in the direction indicated. Gently pull up the expansion board (1), move it slightly to the left and remove (2) from the slot. Note: Circuit boards >10 cm² has been highlighted with the yellow rectangle as above image shows. Please detach the Circuit boards and follow local regulations for disposal.
  • Page 43: Removing The Hard Disk Drive

    Removing the Hard Disk Drive Disconnect the data and power cables from the rear of the optical drive. Disconnect the other end of the data cable from the main board. Remove the screw that secures the HDD cage to the chassis. Chapter 3...
  • Page 44 Lift the HDD cage up and turn it over. Remove the HDD module. Remove the four screws secure the HDD module to the HDD cage. Slide the HDD out of the cage. Chapter 3...
  • Page 45: Removing The Optical Drive

    Removing the Optical Drive Disconnect data and power cable from the rear of the optical drive. Disconnect the other end of the data cable from the mainboard. Remove the screws that secure the optical drive to the chassis. Chapter 3...
  • Page 46 Pull the Pull the optical drive out of the chassis. Chapter 3...
  • Page 47: Removing The System Fan

    Removing the System Fan Use a knife to cut the cable tying. Disconnect system FAN cable from main board connector. Chapter 3...
  • Page 48 Remove the four screws that secure the system fan to the chassis. Remove the system fan from chassis. Note :System fan has been highlighted with the yellow rectangle as above image shows.Please detach the system fan and follow local regulations for disposal. Chapter 3...
  • Page 49: Removing The Power Supply

    Removing the Power Supply Disconnect the 4-pin and 24-pin power supply cables from the mainboard. Remove the four screws that secures the power supply to the chassis. Chapter 3...
  • Page 50 Lift the power supply module out of the chassis. Chapter 3...
  • Page 51: Removing The Memory Modules

    Removing the Memory Modules IMPORTANT:Before removing any DIMM from the memory board, make sure to create a backup file of all important data. Press the holding clips on both sides of the DIMM slot outward to release the DIMM(1). Gently pull the DIMM upward to pull it away from the M/B(2). Note: Circuit boards >10 cm²...
  • Page 52: Removing The Mainboard

    Removing the Mainboard Disconnect the front panel cable, front audio cable, USB cable and card reader cable from the main board, then take out the these cables from the cable retention clip. Remove the eight screws that secure the mainboard to the chassis. Note: Circuit boards >10 cm²...
  • Page 53 Lift the board from the chassis. Punching in IO Shield then you can remove it. Chapter 3...
  • Page 54 Remove the RTC battery. Note: RTC battery has been highlighted with the yellow circle as above image shows.Please detach the RTC battery and follow local regulations for disposal. Chapter 3...
  • Page 55: Removing The Top Cover

    Removing the Top Cover Gently release the top bezel retention tabs from the chassis interior. When perform the step one, then release the top bezel retention tabs from the chassis interior. Chapter 3...
  • Page 56 Pull the top cover away from the chassis. Pull the power switch and LED cable from chassis hole. Chapter 3...
  • Page 57: Removing The Power Switch And Led Cable Assembly

    Removing the Power Switch and LED Cable Assembly Release the locking tabs (1) and gently power switch cable out of the bracket (2). Release the locking tabs (1) and gently LED cable out of the bracket (2). Release the two locking tabs and take out the cable. Chapter 3...
  • Page 58: Removing The Card Reader

    Removing the Card Reader Removing the two screws from the chassis. Lift the card reader away from chassiss. then Pull the card reader cable from chassis hole. Chapter 3...
  • Page 59: Removing The Top Usb And Audio I/O Assembly

    Removing the Top USB and Audio I/O Assembly Removing the two screws from the chassis. Release these cables from the chassis. Lift the top USB and audio I/O assembly away from chassiss. Chapter 3...
  • Page 60 Removing the top USB and audio I/O board. Use screwdriver to remove the two screws. Grasp the bracket then gently Pull the USB board out of the bracket. Chapter 3...
  • Page 61: Assembly Requirements

    Assembly Requirements To assemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge • Flat-blade screwdriver • Philips screwdriver • Hex screwdriver • Plastic flat-blade screwdriver • Plastic tweezers • NOTE: The screws for the different components vary in size. During the assembly process, group the screws with the corresponding components to avoid mismatch when putting back the components.
  • Page 62: Assembly Procedure

    Assembly Procedure Before proceeding with the assembly procedure, perform the steps listed below: Turn off the system and all the peripherals connected to it. Unplug the power cord from the power outlets. Unplug the power cord from the system. Unplug all peripheral cables from the system. Place the system unit on a flat, stable surface.
  • Page 63: Reinstalling The Processor

    Reinstalling the Processor Release the load lever. Lift the load lever and load plate to the fully open,then take out the CPU cover. Put the CPU in the seat and close the load plate and load lever. NOTE: When you install the processor, note the arrow on the corner to make sure the processor is properly oriented over the socket.
  • Page 64: Reinstalling The Memory

    Reinstalling the Memory Open the holding clips on both sides of the DIMM slot outward. Insert the memory module into the DIMM1 slot (1) and then press it down until it clicks into place (2). If a second memory module is available, install it in the DIMM2 slot by repeating step 1. Chapter 3...
  • Page 65: Romoving The Side Panel

    Removing the Side Panel Remove the four screws located on the rear edge of the side panel. Slide the side panel toward the back of the chassis until the tabs on the cover disengage with the slots on the chassis. Lift the side panel away from the server and put it aside for reinstallation later.
  • Page 66: Removing The Cage Of Hard Disk Drive

    Removing the Cage of Hard Disk Drive Remove the screw that secures the HDD cage to the chassis. Lift the HDD cage up and turn it over. Chapter 3...
  • Page 67: Removing The Pci Cover

    Removing the PCI Cover Remove the PCI cover. NOTE: Based on actual requirment to remove the PCI cover. Chapter 3...
  • Page 68: Reinstalling The Power Supply

    Reinstalling the Power Supply Install the power supply to chassis. Fix the four screws. Chapter 3...
  • Page 69: Reinstalling The I/O Shielding

    Reinstalling the I/O Shielding Install I/O shielding into chassis. Chapter 3...
  • Page 70: Reinstalling The Mainboard

    Reinstalling the MainBoard Slide the mainboard into the chassis, with the I/O ports of the mainboard extruding from their port holes, then lower the mainboard in place. Make sure the screw holes on the main board are aligned with those on the chassis. Secure the mainboard with eight screws.
  • Page 71 Connect the ATX 24Pin Power cable and ATX 4Pin Power cable to main board. Connector the front USB, card reader and front audio cable to motherboard. and put the these cables into the cable retention clip. Chapter 3...
  • Page 72: Reinstalling The Optical Drive

    Reinstalling the Optica Drive Removing the front bezel, please refer to “Removing the front bezel” on page 28. Install the ODD into the bay. Secure the optical drive to the chassis using two screws. Chapter 3...
  • Page 73 Connect the power cables and data cable to the rear of the optical drive. Connect the other end of the data cable to the mainboard. Chapter 3...
  • Page 74: Reinstalling The Hard Disk Drive

    Reinstalling the Hard Disk Drive Install the HDD. Install the HDD into the cage. Secure the HDD module to the HDD cage using the four screws. Install HDD cage into chassis by the track. Chapter 3...
  • Page 75 Secure the bracket of HDD to the chassis using the screws. Connect the data cable and power cable to the rear of the hard disk drive. Connect the other end of the data cable to the main board. Chapter 3...
  • Page 76: Reinstalling The Vga Card

    Reinstalling the VGA Card Position the expansion board over the PCIE16X 1 slot and move it slightly to the right (1), making sure the card guide is aligned with the slot guide on the chassis. Insert the expansion card properly connector into PCIE16X 1 slot (2).
  • Page 77 Close the PCI Latch, fix the three screws. Chapter 3...
  • Page 78: Reinstalling The System Fan

    Reinstalling the System Fan Push the system fan to chassis. Fix the four screws. Connect the system fan power cable to Main board. Chapter 3...
  • Page 79: Reinstalling The Heat Sink Fan Assembly

    Reinstalling the Heat Sink Fan Assembly Position the heat sink fan assembly on top of the processor, making sure the screws are aligned with the screw holes on the main board. Secure the heat sink fan assembly to the screw holes on the main board using four screws. Chapter 3...
  • Page 80 Connect the cooler cable to the main board connector. Chapter 3...
  • Page 81: Reinstalling The Front Bezel

    Reinstalling the Front Bezel Take 2PCS cable tying, use cable tying to bundle PSU power cables & system FAN power cable, and use other 1pc cable tying to bundle PSU power cables & System FAN power cable on bracket. Insert the tabs on the front bezel into the notches (1) on the right side of the chassis and attach the front bezel (2) in the direction indicated.
  • Page 82 Make sure the front bezel retention tabs are securedly fastened to the chassis interior. Chapter 3...
  • Page 83: Install The Side Panel

    Reinstalling the Side Panel Install the side Panel, then fix two screws. Chapter 3...
  • Page 84: System Troubleshooting

    Chapter 4 System Troubleshooting This chapter provides instructions on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in this chapter are only intended to test Acer products. Non- Acerproducts, prototype cards, or modified options can give false errors and invalid systemresponses.
  • Page 85: System Check Procedures

    System Check Procedures Power System Check If the system will power on, skip this section. Refer to System External Inspection. If the system will not power on, do the following: Check if the power cable is properly connected to the system and AC source. •...
  • Page 86: Beep Codes

    Beep Codes Beep codes are used by the BIOS to indicate a serious or fatal error to the end user. Beep codes are used when an error occurs before the system video has been initialized. Beep codes will be generated by the system board speaker, commonly referred to as the PC speaker.
  • Page 87: Checkpoints

    Checkpoints A checkpoint is either a byte or word value output to I/O port 80h.The BIOS outputs checkpoints throughout bootblock and Power-On Self Test (POST) to indicate the task the system is currently executing. Checkpoint sare very useful in aiding software developers or technicians in debugging problems that occur during the pre- boot process.
  • Page 88 Checkpoint Description Restore CPUID value back into register. Give control to BIOS POST (ExecutePOSTKernel). See POST Code Checkpoints section of document for more information. System is waking from ACPI S3 state. E1-E8 EC- OEM memory detection/configuration error. This range is reserved for chipset vendors & system manufacturers.
  • Page 89: Bootblock Recovery Code Checkpoints

    Bootblock Recovery Code Checkpoints The Bootblock recovery code gets control when the BIOS determines that a BIOS recovery needs to occur because the user has forced the update or the BIOS checksum is corrupt. The following table describes the type of checkpoints that may occur during the Bootblock recovery portion of the BIOS. NOTE: Checkpoints may differ between different platforms based on system configuration.
  • Page 90: Bios Recovery

    BIOS Recovery The usage of recovery boot block: Please re-name BIOS ROM (xxxx.ROM or 2MB size ROM) file to “AMIBOOT.ROM” and burn in • BIOS ROM file to CDROM or copy BIOS ROM file to USB Thumb drive. Automatic mode: When BIOS flash crashed, using recovery CDROM/USB Thumb drive to recover BIOS.
  • Page 91 Select “Proceed with flash update” and Press “Enter”. Chapter 4...
  • Page 92 System will start to flash update progress. Once firmware update is completed, press any key to reboot the system. Chapter 4...
  • Page 93: Jumper And Connector Information

    Chapter 5 Jumper and Connector Information M/B Placement Label Description Label Description CPU socket LGA1155 socket for CPU_FAN1 CPU cooling fan Intel connector DIMM1~4 240-pin DDR3 ATXPOWER Standard 24-pin ATX SDRAM slots power connector CMOS Clear CMOS header FRONT PANEL Front panel switch/ LED header Chapter 5...
  • Page 94 Label Description Label Description SATA1~5 Serial ATA Gen2 SATA0 Serial ATA Gen3 connectors connector BIOS_WP BIOS write protect F_USB1~2 Front panel USB2 header headers F_SSUSB1 Front panel USB3 PCIE_X1_1~3 PCI Express x1 slot header PCIE_X16 PCI Express x16 slot F_AUDIO Front panel audio header SYS_FAN1...
  • Page 95: Jumper Setting

    Jumper Setting This section explains how to set the jumper for correct configuration of the main board. Jumpers with more than one pin are numbered. When setting a jumper, ensure that the jumper caps are placed on the correct pins. The following illustration shows the location of SW1.
  • Page 96 The following table shows the settings of the 3-pin E50 jumper. Place the jumper cap on pins 1 and 2 to Enable ME OVERRIDE. Place the jumper cap on pins 2 and 3 to Disable ME OVERRIDE. Jumper Type Description Setting (default) 3-pin FLASH_OVER...
  • Page 97 The following table shows the settings of the 3-pin E51 jumper. Place the jumper cap on pins 1 and 2 to Enable Protection. Place the jumper cap on pins 2 and 3 to Disable Protection. Jumper Type Description Setting (default) 3-pin BIOS write 1-2: Enable...
  • Page 98: Internal Header Pin Definition

    Internal header pin definition Header Name Function Definition 1. I/O connector CPU FAN HEADER 1: GND 2: +12V 3: CPUFAN_TACH 4: CPUFAN_PWM 5: NC FRONT PANEL HEADER 1: HD_LED# 2: FP_LED+ 3: GND 4: GND 5: GND 6: PWRBTN# 7: SYS_RESET# 8: GND 9: NC 10: KEY...
  • Page 99 Header Name Function Definition FRONT USB HEADER 1: +SBV89 2: +SBV89 3: LP9- 4: LP8- 5: LP9+ 6: LP8+ 7:GND 8: GND 9: KEY 10: NC FRONT USB3.0 HEADER 1: USB3_HEADER_P1 2: LP0+ 3: LP1+ 4: LP0- 5: LP1- 6: GND 7: GND 8: USB3_TX_H_P1 9: USB3_TX_H_P2...
  • Page 100 Header Name Function Definition TPM HEADER 1: CK_33M_TPM 2: GND 3: LFRAME# 4: KEY 5: PLTRST# 6: NC 7: LAD3 8: LAD2 9: +3P3V 10: LAD1 11: LAD0 12: GND 13: NC 14: NC 15: +3P3VSB 16: SERIRQ 17: GND 18: F_CLKRUN# 19: LPCPD# 20: NC...
  • Page 101: Connector Pin Definition

    Connector pin definition PSKBMS CONN 1: CKBDATA 2: NC 3: GND 4: +5V_KBMS 5: CKBCLK 6: NC 7: CMSDATA 8: NC 9: GND 10: +5V_KBMS 11:CMSCLK 12: NC 13: GND 14: GND 15: GND 16: GND 17: GND VGA CONN 1: RED 2: GREEN 3: BLUE...
  • Page 102 SATA CONN(BLACK) 1: GND 2: SATA_TXP1_C 3: SATA_TXN1_C 4: GND 5: SATA_RXN1_C 6: SATA_RXP1_C 7: GND 8:NC 9:NC SATA CONN(BLACK) 1: GND 2: SATA_TXP2_C 3: SATA_TXN2_C 4: GND 5: SATA_RXN2_C 6: SATA_RXP2_C 7: GND 8:NC 9:NC SATA CONN(BLACK) 1: GND 2: SATA_TXP3_C 3: SATA_TXN3_C 4: GND...
  • Page 103 HDMI_CON_19P 1: HDMI_TMDS_DATA2_P 2: GND 3: HDMI_TMDS_DATA2_N 4: HDMI_TMDS_DATA1_P 5: GND 6: HDMI_TMDS_DATA1_N 7: HDMI_TMDS_DATA0_P 8:GND 9: HDMI_TMDS_DATA0_N 10: HDMI_TMDS_CLK_P 11:GND 12: HDMI_TMDS_CLK_N 13~14:NC 15: HDMI_DDC_CLK_LS 16: HDMI_DDC_DATA_LS 17:GND 18: +5V_HDMI 19: HDMI_HOTPLUG_DET 20~23:GND 24:NC USB_CON_2X4P 1: +5V_DUAL_USB_B 2: LP5- 3: LP5+ 4: GND 5: +5V_DUAL_USB_B...
  • Page 104 USB_CON_2X9P 1: +5V_DUAL_USB_B 2: LP2- 3: LP2+ 4: GND 5: USB3_SS_RXN3 6: USB3_SS_RXP3 7: GND 8: USB3_SS_TXN3 9: USB3_SS_TXP3 10: +R_VBUS_OUT 11:LP3- 12: LP3+ 13: GND 14: USB3_SS_RXN4 15: USB3_SS_RXP4 16: GND 17: USB3_SS_TXN4 18: USB3_SS_TXP4 19,20: GND AUDIO_3IN1_AZA_13P 1: GND 2: MIC1_L 3: MIC1_JD 4: GND...
  • Page 105 USB_LAN_LED 1: +5V_DUAL_USB_B 2: LP10- 3: LP10+ 4: GND 5: +5V_DUAL_USB_B 6: LP11- 7: LP11+ 8:GND 9: LAN_CTR 10: LAN_MDI0_P_C 11: LAN_MDI0_N_C 12: LAN_MDI1_P_C 13: LAN_MDI1_N_C 14: LAN_MDI2_P_C 15: LAN_MDI2_N_C 16: LAN_MDI3_P_C 17: LAN_MDI3_N_C 18:GND 19: ACTP_R 20: LAN_ACT#_R 21:LAN_LILEDN 22: LINKP 23~30:GND Chapter 5...
  • Page 106: Fru (Field Replaceable Unit) List

    Chapter 6 FRU (Field Replaceable Unit) List This chapter offers the FRU (Field Replaceable Unit) list in global configuration of the Aspire M3985 desktop computer. Refer to this chapter whenever ordering the parts to repair or for RMA (Return Merchandise Authorization).
  • Page 107: Aspire M3985 Exploded Diagram

    Aspire M3985 Exploded Diagram NOTE: This section will be updated when more information becomes available. ITEM NAME Q’TY ITEM NAME Q’TY PCI Door ODD Button Dn Rear Chassis Pole IO Shielding ODD Door Up Power Supply ODD Door Dn Deco Bezel...
  • Page 108 ITEM NAME Q’TY ITEM NAME Q’TY Holder Bezel Top Bezel Front Chassis Cover Deco Link BKT(Option) Power Button PCI BKT(Option) Spring ODD Cage Switch Bottom Venting(Option) HDD Lens HDD Cage Side Door Top USB ODD Button Up Chapter 6...
  • Page 109: Aspire M3985 Fru List

    Aspire M3985 FRU List Exploded Category Part Number Acer P/N Diagram Item MB Kit MB Kit aGoran_M3 Intel B75 uATX W/O 1394 LF MB.SJQ0P.001 Chassis Hon Hai Chassis MicroATX HM090L w/o ext. HDD HS.13100.243 carrier, with front USB 4 port for Aspire AM360 bezel (2011 New CI) Hon Hai Chassis MicroATX HM090M with 1 ext.
  • Page 110 Exploded Category Part Number Acer P/N Diagram Item Celeron G460 (1.7G 1.5M 1066FSB LGA1155) KC.G0001.460 Ivy Bridge E-0 6MB 4c LGA 3.1GHz STD 77W I5- KC.34501.CI5 3450 (FLOOR) GT1 QS Ivy Bridge E-0 6MB 4c LGA 3.3GHz STD 77W I5- KC.35501.CI5 3550 (HIGH BIN) VPRO GT1 QS "Core i3-2120 (3.30G 3M DDR3 1333) , Q0 , 65W ,...
  • Page 111 Exploded Category Part Number Acer P/N Diagram Item "HDD WD 3.5"" 5400rpm 1500GB WD15EARS- KH.15K08.003 22MVWB0 (GP667-3D) SATA II 64MB LF F/ W:51.0AB51" "HDD WD 3.5"" 5400rpm 1500GB WD15EARX- KH.15K08.004 22PASB0 (GP667-3D) SATA III 64MB LF F/ W:51.0AB51" "HDD WD 3.5"" 5400rpm 2000GB WD20EARS- KH.02K08.006 22MVWB0(GP667-3D) SATA II LF F/W:51.0AB51"...
  • Page 112 Exploded Category Part Number Acer P/N Diagram Item ODD PLDS Super-Multi DRIVE HH DL 16X DH- KU.0160F.011 16ABSH LF Black Bezel (HF+Win7) SATA ODD PIONEER Super-Multi DRIVE HH DL 16X KU.01605.007 DVR-219RS LF Black Bezel SATA (Win7+HF) ODD PLDS BD ROM HH DL 4X DH-4O3S LF KV.0040F.004 Standard Bezel SATA ODD HLDS BD COMBO HH 12X CH29N Black...
  • Page 113 Exploded Category Part Number Acer P/N Diagram Item 299-1N214-X60AC 605 1GB DDR3 64bits DVII + VG.PCP60.501 HDMI + VGA ATX Modem D-1156E#/A10A, Modem PCI-Ex1 card, LSI FX.10100.002 Universal Modem (PCI-E) 56K V.92 - Concorde (C40) WLAN WN7601R, Ralink RT3090, 802.11b/g/n 1x1 NI.10200.037 WLAN PCI-E x1 card External Speaker...
  • Page 114 Exploded Category Part Number Acer P/N Diagram Item Logitech Optical mouse PS2 M-S0004-O with acer MS.11200.104 logo Primax Optical mouse PS2 MOFGKO with acer MS.11200.105 logo Primax mouse RF2.4 MORFF9UO black color;with MS.11200.113 new acer logo Primax mouse RF2.4 MORFF9UO black color;with MS.11200.114 new acer logo;without battery Primax mouse USB MOF9UO black color;with new...
  • Page 115 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9660B RF2.4 Black KB.RF40B.181 Swedish with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black UK KB.RF40B.182 with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black Dutch KB.RF40B.183 with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black Swiss/ KB.RF40B.184 G with new acer logo...
  • Page 116 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9660B RF2.4 Black Nordic KB.RF40B.203 with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black KB.RF40B.204 English/Canadian French with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black Czech/ KB.RF40B.205 Slovak with new acer logo Keyboard LITE-ON SK-9660B RF2.4 Black Swiss/ KB.RF40B.206 FR with new acer logo...
  • Page 117 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9621B USB Black UK with KB.USB0B.463 new acer logo Keyboard LITE-ON SK-9621B USB Black Dutch KB.USB0B.464 with new acer logo Keyboard LITE-ON SK-9621B USB Black Swiss/G KB.USB0B.465 with new acer logo Keyboard LITE-ON SK-9621B USB Black Belgium KB.USB0B.466 with new acer logo...
  • Page 118 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9621B USB Black English/ KB.USB0B.485 Canadian French with new acer logo Keyboard LITE-ON SK-9621B USB Black Czech/ KB.USB0B.486 Slovak with new acer logo Keyboard LITE-ON SK-9621B USB Black Swiss/ KB.USB0B.487 FR with new acer logo Keyboard LITE-ON SK-9621B USB Black Korean KB.USB0B.488...
  • Page 119 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9611 PS/2 Black Swiss/G KB.PS20B.174 with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Belgium KB.PS20B.175 with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Icelandic KB.PS20B.176 with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black KB.PS20B.177 Norwegian with new acer logo...
  • Page 120 Exploded Category Part Number Acer P/N Diagram Item Keyboard LITE-ON SK-9611 PS/2 Black Swiss/FR KB.PS20B.196 with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Korean KB.PS20B.197 with new acer logo Keyboard LITE-ON SK-9611 PS/2 Black Spanish KB.PS20B.198 Latin with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black US KB.RF40P.144 with new acer logo...
  • Page 121 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.163 Icelandic with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.164 Norwegian with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.165 Hebrew with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.166 Polish with new acer logo...
  • Page 122 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.185 Spanish Latin with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black KB.RF40P.186 Spanish Latin without battery;with new acer logo Keyboard PRIMAX KBRF36211 RF2.4 Black US KB.RF40P.199 with India Rupee Symbol with new acer logo Keyboard PRIMAX KB36211 USB Black US with KB.USB0P.217...
  • Page 123 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KB36211 USB Black Icelandic KB.USB0P.236 with new acer logo Keyboard PRIMAX KB36211 USB Black KB.USB0P.237 Norwegian with new acer logo Keyboard PRIMAX KB36211 USB Black Hebrew KB.USB0P.238 with new acer logo Keyboard PRIMAX KB36211 USB Black Polish KB.USB0P.239 with new acer logo...
  • Page 124 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KB36211 USB Black Spanish KB.USB0P.258 Latin with new acer logo Keyboard PRIMAX KB36211 USB Black US with KB.USB0P.306 India Rupee Symbol with new acer logo Keyboard PRIMAX KB36111 PS/2 Black US with KB.PS20P.204 new acer logo Keyboard PRIMAX KB36111 PS/2 Black...
  • Page 125 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KB36111 PS/2 Black KB.PS20P.224 Norwegian with new acer logo Keyboard PRIMAX KB36111 PS/2 Black Hebrew KB.PS20P.225 with new acer logo Keyboard PRIMAX KB36111 PS/2 Black Polish KB.PS20P.226 with new acer logo Keyboard PRIMAX KB36111 PS/2 Black Slovenian KB.PS20P.227 with new acer logo...
  • Page 126 Exploded Category Part Number Acer P/N Diagram Item Keyboard PRIMAX KB36111 PS/2 Black US with KB.PS20P.290 India Rupee Symbol with new acer logo Chapter 6...