eMachines EL1852G Service Manual
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eMachines EL1852G Service Manual

Emachines el1852 service guide
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EL1852 Service Guide
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Summary of Contents for eMachines EL1852G

  • Page 1 EL1852 Service Guide PRINTED IN TAIWAN...

  • Page 2: Revision History

    Revision History Refer to the table below for changes made on this version of the EL1852 Desktop Computer Service Guide. Date Chapter Updates EL1852 Service Guide...
  • Page 3 Copyright Copyright © 2011 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 Conventions The following textual conventions are used in this service guide. Denotes actual messages that appear on screen. 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 5: Fru Information

    Service Guide Coverage This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for our "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 6 EL1852 Service Guide...

  • Page 7: Table Of Contents

    Table of Contents Features and Specifications ..............1 Audio ............. . .2 I/O Ports and LED Indicators .
  • Page 8 Table of Contents Memory ............87 Hard Disk Drive .

  • Page 9: Features And Specifications

    Chapter 1 Features and Specifications This chapter lists the features and specifications of the EL1852 computer. NOTE The items listed in this section are for reference only. The exact configuration of your PC depends on the model purchased. Refer to the FRU list chapter on page 75 for a detailed list of models supported by each hardware component.

  • Page 10: Audio

    Component Description Card reader (optional) • Multi-in-1 card reader • The following memory cards are supported: – Memory Stick (MS) – xD-Picture Card (xD) – Secure Digital (SD), MultiMediaCard (MMC), Reduced-Size MultiMediaCard (RS-MMC) – CompactFlash (CF) Types I and II –...

  • Page 11: Physical Specifications

    Physical Specifications Aspect Description Chassis dimension (W × D × H) 100 mm (W) X 361.8 mm (D) x 265 mm (H) System weight 5.382 Kg. Mainboard form factor microATX (µATX) Mainboard dimensions (W × H) 244 × 200 mm Environmental Requirements Aspect Description...

  • Page 12: System Tour

    System Tour The pictures and tables in this section illustrate the physical outlook of the computer. Front View Component Optical drive eject button Optical drive cover Power button/indicator Microphone-in jack Headphone jack Multi-in-1 card reader USB 2.0 ports EL1852 Service Guide...

  • Page 13: Rear Panel

    Rear Panel Component Line-in jack LAN connector Key lock Kensington lock Power connector Fan aperture PS/2 keyboard connector PS/2 mouse connector Monitor port USB 2.0 ports Microphone jack Line-out jack Expansion slots NOTE The I/O ports on the upper chassis area are additional items made possible with the installation of an expansion card option.
  • Page 14 EL1852 Service Guide...

  • Page 15: System Utilities

    Chapter 2 System Utilities CMOS Setup Utility CMOS Setup Utility is a hardware configuration program built into the system ROM. Since most systems are already properly configured and optimized, there is normally no need to run this utility. You will need to run this utility under the following conditions: •...

  • Page 16: Accessing The Setup Utility

    Accessing the Setup Utility 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. Use the Up/Down/Left/Right arrow keys to move between the menu options, then press Enter to execute that option.

  • Page 17: Navigating Through The Setup Utility

    Navigating through the Setup Utility Use the keys listed in the legend bar on the bottom of the Setup screen to work your way through the various menu and submenu screens of the Setup Utility. The table below lists these legend keys and their respective functions.

  • Page 18: Product Information

    Product Information The Product Information menu displays basic information about the system. These entries are for your reference only and are not user-configurable. Parameter Description Processor Type Type of processor installed on the system Processor Speed Speed of the processor installed on the system System Memory Size of system memory detected during boot-up Product Name...

  • Page 19: Standard Cmos Features

    Standard CMOS Features Field Description Value MM/DD/YYYY  System Date Sets the system date. (month/day/year) System Time Sets the system time. HH:MM:SS (hour:minute:second) SATA Port 1–2 Your Aspire computer supports two SATA channels, each channel allows one SATA device to be installed. Press Enter to display the individual configuration screen of installed SATA drive(s).

  • Page 20: Advanced Bios Feature

    Advanced BIOS Feature Field Description Value Quick Boot When enabled, the system starts up more quickly be elimination Enabled some of the POST routines. Disabled Quiet Boot When enabled, BIOS will show a full screen logo when booting; if Enabled disabled, BIOS will show the diagnostic POST screen when Disabled booting.

  • Page 21: Advanced Chipset Features

    Advanced Chipset Features Field Description Value Intel EIST Select whether to enable the Enhanced Intel SpeedStep Technology. EIST Enabled allows a compliant OS to dynamically adjust the processor voltage and core Disabled frequency based on system usage. This can result in decreased average power consumption and decreased average heat production.

  • Page 22: Integrated Peripherals

    Integrated Peripherals Field Description Value Onboard SATA Controller Enables or disables the onboard SATA controller. Enabled Disabled Onboard SATA Mode Select an operating mode for the onboard SATA. RAID Native IDE Onboard USB Controller Enables or disables the onboard USB controller. Enabled Disabled Legacy USB Support...

  • Page 23: Power Management Setup

    Power Management Setup Field Description Value ACPI Suspend Mode Use this item to define how your system suspends. Default value is S3 (STR) S3 (STR), the suspend mode is suspend to RAM, i.e., the system S1 (POS) shuts down with the exception of a refresh current to the system memory.

  • Page 24: Pc Health Status

    PC Health Status Field Description Value CPU Temperature These items lets you monitor the parameters for critical voltages, temperatures and (PECI Mode) fan speeds. System Temperature CPU Fan Speed System Fan Speed CPU Core +1.1V +3.30V +5.00V +12.0V 5VSB VBAT Smart Fan When enabled, fan speed will speed up or slow down depending on Enabled...
  • Page 25 Frequency/Voltage Control Field Description Value Enable Clock to All DIMM/ When enabled, clock signals will be sent to the PCI and memory slots Enabled regardless of whether the slot is occupied or not. Disabled Spread Spectrum When the mainboard's clock generator pulses, the extreme values of Enabled the pulses creates EMI (electromagnetic interference).

  • Page 26: Bios Security Features

    BIOS Security Features Field Description Value Supervisor Password Displays the supervisor password status. When set to Installed, Installed this password will allow the user to access and change all settings Not Installed in the Setup Utility. User Password Displays the user password status. Only the following menus will be accessible when this password is set as Installed: •...
  • Page 27 To set a system password: Select Change Supervisor Password or Change User Password, then press Enter. The password box appears. Type a password then press Enter. IMPORTANT Be very careful when typing your password because the characters do not appear on the screen.

  • Page 28: Load Default Settings

    Load Default Settings Execute this menu to load the factory-default settings for all Setup parameters. Keyboard shortcut: F9 Perform the steps below to load the system default settings: Select Load Default Settings, then press Enter. You will be prompted to load the system defaults. Select OK, then press Enter.

  • Page 29: Exit Without Saving

    Exit Without Saving The Exit Without Saving menu allows you to discard changes made and close the Setup Utility. EL1358 Service Guide...
  • Page 30 EL1358 Service Guide...

  • Page 31: System Disassembly

    Chapter 3 System Disassembly This chapter contains step-by-step procedures on how to disassemble the desktop computer for maintenance and troubleshooting. Disassembly Requirements In performing the disassembly process, you will need the following tools: Wrist-grounding strap and conductive mat for preventing electrostatic discharge Philips screwdriver Flat screwdriver Plastic flat-blade screwdriver...

  • Page 32: Disassembly Procedures

    Disassembly Procedures Removing the Side Panel Put the computer on a flat surface. 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.

  • Page 33: Removing The Front Bezel

    Removing the Front Bezel Release the front bezel retention tabs from the chassis interior. Detach front bezel from the chassis. EL1852 Service Guide...

  • Page 34: 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 screwdriver to loosen the four screws on the heat sink, in the order as shown below. Lift the heat sink fan assembly away from the mainboard.

  • Page 35: 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 (1).

  • Page 36: Removing The Hdd-Odd Bracket

    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. Removing the HDD-ODD Bracket Remove the two screws that secure the HDD-ODD bracket to the chassis. Lift up the HDD-ODD bracket.

  • Page 37: Removing The Optical Drive And The Hard Disk Drive

    Removing the Optical Drive and 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 mainboard. EL1852 Service Guide...
  • Page 38 Disconnect the data and power cables from the rear of the hard disk drive. Disconnect the other end of the data cable from the mainboard. EL1852 Service Guide...
  • Page 39 Remove the screws that secure the optical drive to the HDD-ODD bracket. Pull the optical drive out of the drive bay. EL1852 Service Guide...
  • Page 40 Remove the four screws that secure the hard disk drive to the HDD bracket. Slide the hard disk drive out of the bracket. EL1852 Service Guide...

  • Page 41: Removing The Expansion Boards

    Removing the Expansion Boards Remove the screw from the expansion card bracket opposite the PCI_1 slot. 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. EL1852 Service Guide...
  • Page 42 Remove the screw from the expansion card bracket opposite the PCIEX2 slot. Gently pull up the TV tuner board (1), move it slightly to the left and remove (2) from the slot. EL1852 Service Guide...

  • Page 43: Removing The Memory Modules

    Removing the Memory Modules Press the holding clips on both sides of the DIMM slot outward to release the DIMM (1). Gently pull the DIMM upward to remove it from the chassis (2). Removing the Power Supply Unit Disconnect the 4-pin and 24-pin ATX power supply cables from the mainboard. EL1852 Service Guide...
  • Page 44 Remove the screw that secures the power supply to the chassis. Remove the screws that secure the power supply to the rear panel. Push the power supply module toward the front. EL1852 Service Guide...

  • Page 45: Removing The Front I/O And Card Reader Assembly

    Tilt the power supply module slightly to the right and lift it out of the chassis. Removing the Front I/O and Card Reader Assembly Disconnect the power button/LED, front I/O and card reader cables from their mainboard connectors. EL1852 Service Guide...
  • Page 46 Open the plastic clip (1) and release the cables from the metal clip (2) in the direction indicated. Detach the cables from the card. Remove the cables. Remove the screw that secures the bracket to the chassis. EL1852 Service Guide...
  • Page 47 Pull the bracket out from the chassis. Remove the two screws that secure the front I/O and card reader assembly to the bracket. Remove the front I/O and card reader assembly from the bracket. EL1852 Service Guide...

  • Page 48: Removing The Mainboard

    Removing the Mainboard Remove the six screws that secure the mainboard to the chassis. Note: Circuit board >10 cm2 has been highlighted with the yellow rectangle as shown above. Please follow local regulations for disposal of detached circuit boards. Lift the mainboard from the chassis. Remove the RTC battery.

  • Page 49: Hardware Diagnostic Procedure

    Chapter 4 Troubleshooting This chapter lists the POST error indicators and BIOS beep codes, as well general troubleshooting instructions. Hardware Diagnostic Procedure Obtain as much detail as possible about the symptoms of the system failure. Verify the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating the same operation.

  • Page 50: Checkpoints

    If the cause of the failure is still can not be determined, review the POST messages and BIOS checkpoints during the system startup. Checkpoints A checkpoint is either a byte or word value output to I/O port 80h. The BIOS outputs checkpoints during bootblock and Power-On Self Test (POST) to indicate the task the system is currently executing.

  • Page 51: Bootblock Recovery Code Checkpoints

    Checkpoint Description Restore CPUID value back into register. Give control to BIOS POST (ExecutePOSTKernel). See POST Code Checkpoints section of document for more information. 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.
  • Page 52 Checkpoint Description Do R/W test to CH-2 count reg. Initialize CH-0 as system timer.Install the POSTINT1Ch handler. Enable IRQ-0 in PIC for system timer interrupt. Traps INT1Ch vector to "POSTINT1ChHandlerBlock." Fixes CPU POST interface calling pointer. Initializes the CPU. The BAT test is being done on KBC. Program the keyboard controller command byte is being done after Auto detection of KB/MS using AMI KB-5.

  • Page 53: Dim Code Checkpoints

    Checkpoint Description Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS Data Area from base memory. Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size if needed. Initializes NUM-LOCK status and programs the KBD typematic rate.

  • Page 54: Post Error Indicators

    Checkpoint Description Initialize different buses and perform the following functions: Boot Input Device Initialization (function 3); IPL Device Initialization (function 4); General Device Initialization (function 5). Function 3 searches for and configures PCI input devices and detects if system has standard keyboard controller. Function 4 searches for and configures all PnP and PCI boot devices.
  • Page 55 Memory Message Description Gate20 Error The BIOS is unable to properly control the mainboard’s Gate A20 function, which controls access of memory over 1 MB. This may indicate a problem with the mainboard. Multi-Bit ECC Error This message will only occur on systems using ECC enabled memory modules. ECC memory has the ability to correct single-bit errors that may occur from faulty memory modules.

  • Page 56: Storage Device

    Storage Device Message Description Primary Master Hard The IDE/ATAPI device configured as Primary Master could not be properly Disk Error initialized by the BIOS. This message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. Primary Slave Hard The IDE/ATAPI device configured as Primary Slave could not be properly initialized Disk Error...
  • Page 57 Message Description 3rd Slave Drive - The IDE/ATAPI device configured as Slave in the 3rd IDE controller failed an ATAPI ATAPI Incompatible compatibility test. This message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. 4th Master Drive - The IDE/ATAPI device configured as Master in the 4th IDE controller failed an ATAPI Incompatible...

  • Page 58: System Configuration

    Virus-related Message Description BootSector Write!! The BIOS has detected software attempting to write to a drive’s boot sector. This is flagged as possible virus activity. This message will only be displayed if Virus Detection is enabled in AMIBIOS setup. VIRUS: Continue  If the BIOS detects possible virus activity, it will prompt the user.
  • Page 59 CMOS Message Displayed Description CMOS Date/Time Not The CMOS date and/or time are invalid. This error can be resolved by readjusting the system time in AMIBIOS Setup. CMOS Battery Low CMOS battery is low. This message usually indicates that the CMOS battery needs to be replaced.
  • Page 60 Index of Symptom-to-FRU Error Messages To use the information in this section to diagnose a problem: 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 item listed in the right column is the most likely cause. NOTE If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems”...
  • Page 61 Hard Disk Drive-related Symptoms Symptom/Error Action/FRU Hard disk drive test failed. • Enter CMOS Setup and load the default settings. • Hard disk drive cable • Hard disk drive • Mainboard Hard disk drive cannot format completely. • Enter CMOS Setup and load the default settings. •...
  • Page 62 Real-Time Clock-related Symptoms Symptom/Error Action/FRU Real-time clock is inaccurate. • Ensure the information in the Standard CMOS Feature of BIOS Setup is set correctly. • RTC battery • Mainboard Audio-related Symptoms Symptom/Error Action/FRU Audio software program invoked but no • Speaker power/connection/cable sound comes from speakers.
  • Page 63 Printer-related Symptoms Symptom/Error Action/FRU Printing failed. • Ensure the printer driver is properly installed. Refer to the printer service manual. • Printer • Printer cable • Mainboard. Printer problems. • Refer to the service manual for the printer. Keyboard-related Symptoms Symptom/Error Action/FRU Some or all keys on keyboard do not work.

  • Page 64: Beep Codes

    Beep Codes When no error message is displayed but the computer stops during POST, listen for beep codes. Boot Block Beep Codes Number of Beeps Description No media present. (Insert diskette in floppy drive A:) ‘AMIBOOT.ROM’ file not found in root directory of diskette in A: Insert next diskette if multiple diskettes are used for recovery Flash Programming successful File read error...

  • Page 65: Undetermined Problems

    Undetermined Problems NOTE • Verify that all attached devices are supported by the computer. • Verify that the power supply being used at the time of the failure is operating correctly. (See “Power System Check” on page 41) Follow the procedures below to isolate the failing FRU. Do not isolate non-defective FRU. Power off the computer.

  • Page 66: Bios Recovery

    BIOS Recovery An interruption during a BIOS flash procedure (e.g. a power outage) can corrupt the BIOS code, which will cause the system to go into an unbootable state. You need to access and execute the boot block program to reboot the computer and recover the regular BIOS code.

  • Page 67: Bios Update

    BIOS Update Updating the BIOS in DOS Mode Press the power button to turn on the computer and boot to DOS mode. Key in 'cd dostool'. (Go to BIOS path like "A:\DOSTOOL") Key in 'flash1M.bat' or 'flash1M'. Press Enter to flash the system BIOS. Reboot the computer.

  • Page 68: Updating The Bios In Windows Mode

    Updating the BIOS in Windows Mode This BIOS updating procedure is for a computer running a 32- or 64-bit Windows OS. Press the power button to turn on the computer. Click Start | Command Prompt | Run as administrator. Perform the steps below if your computer is running 32-bit Windows. Key in 'cd wintool\32'.
  • Page 69 Press Enter to flash the system BIOS. Perform the steps below if your computer is running 64-bit Windows. Key in 'cd wintool\64'. (Go to BIOS path like "D:\WinTool\64") Key in 'flash1M.bat' or 'flash1M'. EL1852 Service Guide...
  • Page 70 Press Enter to flash the system BIOS. Reboot the computer. Press Delete to run the CMOS Setup Utility. Press F9 to load the system default settings. Select Ok, then press Enter. Press F9 to save the default settings and close the Setup utility. 10.

  • Page 71: Clearning Cmos

    Clearning CMOS You may need to clear the Setup configuration values (CMOS) if the configuration has been corrupted, or if incorrect settings made in the Setup Utility caused error messages to be unreadable. This procedure will clear the BIOS supervisor password as well. Use the CLR_CMOS jumper to clear the CMOS data.
  • Page 72 EL1852 Service Guide...

  • Page 73: System Architecture

    Chapter 5 System Architecture This chapter shows the block diagram and board layout of the EL1852 computer. Block Diagram The core subsystems of the computer are depicted in the following block diagram. EL1852 Service Guide...

  • Page 74: Mainboard Layout

    Mainboard Layout This section shows the major mainboard components. Item Code Component LGA775 Processor socket CPU_FAN Heat sink fan cable connector DIMM1 240-pin DDR3 SDRAM slot DIMM2 240-pin DDR3 SDRAM slot ATX_POWER 24-pin ATX power connector CLR_CMOS1 Clear CMOS jumper SATA1~2 SATA cable connector Internal buzzer...

  • Page 75: Jumper Setting

    Item Code Component Rear audio jacks (microphone, line-out, and line-in jacks) AUDIO1 SYS_FAN1 System fan cable connector ATX12V1 4-pin ATX power connector USBLAN1 USB 2.0 and Ethernet ports VGA1 Monitor port PSKBM2 PS/2 keyboard and mouse ports Jumper Setting The section explains how to set jumper for correct configuration of the mainboard. Use the motherboard jumpers to set system configuration options.

  • Page 76: Setting Jumper

    Setting Jumper Use the motherboard 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.Pin 1 is label Jumper Type Description Setting (default) CLR_CMOS1 3-pin...

  • Page 77: Connecting Optional Devices

    Connecting Optional Devices Refer to the following for information on connecting the main board’s optional devices: SATA1~2: Serial ATA connectors These connectors are used to support the new Serial ATA devices for the highest datatransfer rates  (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi-nates limitations of the current Parallel ATA interface.
  • Page 78 F_USB1~3: Front Panel USB headers The motherboard has two USB ports installed on the rear edge I/O port array.Additionally, some computer cases have USB ports at the front of the case. If youhave this kind of case, use auxiliary USB connector to connect the front-mountedports to the motherboard.

  • Page 79: Connecting Case Components

    Connecting Case Components After you have installed the motherboard into a case, you can begin connecting themotherboard components. Refer to the following: Connect the CPU cooling fan cable to CPU_FAN. Connect the standard power supply connector to ATX_POWER. Connect the case switches and indicator LEDs to the F_PANEL. Connect the system cooling fan connector to SYS_FAN.

  • Page 80: Front Panel Header

    ATX_POWER: ATX 24-pin Power Connector Signal Name Signal Name +3.3V +3.3V +3.3V -12V Ground Ground PS_ON Ground Ground Ground Ground Ground PWRGD +5VSB +12V +12V +3.3V Ground SYS_FAN: System Cooling FAN Power Connector Signal Name Function System Ground +12V Power +12V Sense Sensor ATX12V: ATX 12V Power Connector...

  • Page 81: Field Replaceable Unit (Fru) List

    Chapter 6 Field Replaceable Unit (FRU) List This chapter gives you the FRU (Field Replaceable Unit) listing of the EL1852 computer global configurations. Refer to this list when ordering for repair parts or for RMA (Return Merchandise Authorization). IMPORTANT When ordering FRU parts, check the most up-to-date information available on your regional web or channel.

  • Page 82: Exploded Diagram

    Exploded Diagram EL1852 Service Guide...

  • Page 83: El1852 Fru List

    EL1852 FRU List ACER_EL1852_W_EARCHER Category Part Name Description Acer Part No. BOARDS FRONT IO & CARD READER BOARD CARD READER 6 IN 1 55.NCM01.002 USB 2.0 2 USB PORT 2 AUDIO PORT USB 2.0 2 USB PORT 2 FRONT IO BOARD USB 2.0 2 USB F-IO BD USB 2.0 2 USB 55.NCM01.001 PORT 2 AUDIO PORT W/O CARD...
  • Page 84 Category Part Name Description Acer Part No. BOARDS VGA CARD 288-5N158-A20AC NV 405 PCP NV GT405 1GB VG.PCPT4.004 1GB 64BITS DDR3 DVI + DP DDR3 SDI DVI/DP SAMSUNG LP VGA CARD 288-5N158-B20AC NV 405 PCP NV GT405 1GB VG.PCPT4.006 1GB 64BITS DDR3 DVI + DP HYNIX LP DDR3 HYNIX DVI/DP VGA CARD 288-1N162-A01AC GT420 PCP NV GT420 1GB...
  • Page 85 Category Part Name Description Acer Part No. CABLES POWER CORD 1800MM BLACK POWER CORD 250V S 27.01518.0Q1 S.AFRAICA AFRAICA POWER CORD 250V 3PIN BRAZIL POWER CORD 250V 27.01518.0R1 BRAZIL POWER CORD 230V DENMARK POWER CORD FOR 27.01518.0S1 DENMARK POWER CORD 16A 250V 1800MM POWER CORD 16A 250V 27.01518.0Z1 ISRAEL BLACK...
  • Page 86 Category Part Name Description Acer Part No. ASSEMBLY LOWER CASE W/LED ASSY LCASE-ASM 60.NCM01.002 SWITCH CABLE BOXER EM ASSEMBLY FRONT BEZEL FOR CARD ASSY MAIN-BEZEL A 60.NCM01.003 READER BOXER EM ASSEMBLY FRONT BEZEL FOR NONE ASSY MAIN-BEZEL B 60.NCM01.004 CARD READER BOXER EM CPU/PROCESSOR CPU INTEL CELERON DUA CORE...
  • Page 87 Category Part Name Description Acer Part No. CPU INTEL PENTIUM DUAL-CORE IC CPU WOLFDALE KC.68001.DE E6800 LGA 3.33G 2M 1066 775 65W PENTIUM DC E6800 DUAL CORE 3.33G 2 CPU INTEL CORE2DUAL WOLFDALE IC CPU CORE2DUAL KC.75001.DEV E7500 2.93G 65W 1066M 3M PGA R-0 WOLFDALE E750 CPU INTEL CORE2DUAL E7600 LGA IC CPU CORE2DUAL...
  • Page 88 Category Part Name Description Acer Part No. HDD/HARD DISK DRIVE HDD 320GB 3.5" 7200RPM SATA II 8MB HDD 320GB HGST KH.32007.006 HGST HDT721032SLA380 SATURN HDT721032SLA380 HDD 320GB 3.5" 7200RPM SATA II HDD 320GB 3.5" HGST KH.32007.011 16MB HGST HDS721032CLA362 HDS721032CLA362 7.2K JUPITER HDD 320GB 3.5"...
  • Page 89 Category Part Name Description Acer Part No. KEYBOARD KEYBOARD CHICONY KB-0705 PS/2 KB PS2 KB- KB.PS203.145 STANDARD 105KEY BLACK 07056P01976V PORTUGUESE ECOOPER W/VISTA PORTUGU KEYBOARD PS2 105KEY CHICONY KB PS2 KB- KB.PS203.146 KB-07056CU1976V BLACK CANADIAN 07056CU1976V EN/CA 1 FRENCH ECOOPER KEYBOARD CHICONY KB-0705 PS/2 KB PS2 KB- KB.PS203.147...
  • Page 90 Category Part Name Description Acer Part No. KEYBOARD KEYBOARD CHICONY KB-0705 PS/2 KB PS2 KB- KB.PS203.163 STANDARD 104KEY BLACK GREEK 07053GR1976V GREEK 1 ECOOPER W/VISTA KEYBOARD CHICONY KB-0705 PS/2 KB PS2 KB- KB.PS203.164 STANDARD 105KEY BLACK DANISH 07056DK1976V DANISH ECOOPER W/VISTA KEYBOARD PS2 104KEY CHICONY KB PS2 KB- KB.PS203.165...
  • Page 91 Category Part Name Description Acer Part No. KEYBOARD KEYBOARD PRIMAX KB-0511 PS/2 KB PS2 KB-0511 29- KB.PS20P.010 STANDARD 105KEY BLACK ITALIAN 10509A711 KEYBOARD PRIMAX KB-0511 PS/2 KB PS2 KB-0511 29- KB.PS20P.011 STANDARD 105KEY BLACK FRENCH 10507A711 KEYBOARD PRIMAX KB-0511 PS/2 KB PS2 KB-0511 29- KB.PS20P.012 STANDARD 105KEY BLACK SWEDISH...
  • Page 92 Category Part Name Description Acer Part No. KEYBOARD KEYBOARD PRIMAX KB-0511 PS/2 KB PS2 KB-0511 29- KB.PS20P.033 STANDARD 107KEY BLACK 10503A711 BRAZILIAN PORTUGUESE KEYBOARD PRIMAX KB-0511 PS/2 KB PS2 KB-0511 29- KB.PS20P.034 STANDARD 104KEY BLACK US 10501G111 KEYBOARD PRIMAX KB-0511 PS/2 KB KB-0511 PS/2 105KS KB.PS20P.069 STANDARD 105KS BLACK...
  • Page 93 Category Part Name Description Acer Part No. POWER SUPPLY POWER SUPPLY 220W EUP 115VAC/ SPS 220W EUP 115VAC/ PY.22009.006 230V NPFC DELTA DPS-220UB A EUP 230V NPFC POWER SUPPLY 220W EUP 115VAC/ SPS 220W EUP 115VAC/ PY.22009.009 230V NPFC DELTA DPS-220UB-3A 230V NPFC EUP DPS-22 POWER SUPPLY 220W NPFC 115V/ SPS 220W NPFC EUP...

  • Page 94: Technical Specifications

    Appendix A Technical Specifications This appendix list the technical specifications of the EL1852 hardware components. Processor • Socket: LGA775 socket, 775 pin contacts Item Specification ® Intel Core™ 2 Quad Processors, 65 W TDP Model Q9550s Q9400s Q8400s CPU speed 2.83 GHz 2.66 GHz 2.66 GHz...

  • Page 95: Chipsets

    Item Specification ® ® Intel Celeron Dual-Core Processors Model E3400 E3500 CPU speed 2.60 GHz 2.70 GHz 2.20 GHz Bus speed 800 MHz 800 MHz 800 MHz Bus/core ratio 13.0 L2 cache size 1 MB 1 MB 512 KB Package type 45 nm 45 nm 65 nm...

  • Page 96: Hard Disk Drive

    Hard Disk Drive Item Specification Controller ® Integrated in the Intel ICH7 Number of HDD bays Form factor 3.5-inch 25.4 mm Interface SATA 3.0 Supported capacities 160 GB • HGST Jupiter – HDS721016CLA382 • Seagate Pharoah – ST3160313AS 320 GB •...

  • Page 97: Card Reader

    Card Reader Item Specification Controller Multi-in1 Card compatibility • Memory Stick (MS) - supports up to 32 GB • xD-Picture Card (xD) - supports up to 2 GB • Secure Digital (SD) - supports up to 2 TB • MultiMedia Card (MMC) - supports up to 32 GB •...

  • Page 98: Power Management

    Power Management Devices Power Button USB Keyboard/Mouse Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled EL1852 Service Guide...

  • Page 99: Index

    Index Standard 11 CMOS Setup Utility 7 ACPI, see Advanced Configuration Power access 8 Interface 2 navigation keys 9 Advanced BIOS Feature 12 connectivity Advanced Configuration Power Interface options 1 checkpoints 46 specifications 89 specifications 2 connector antivirus software 2 LAN 5 asset tag number 10 power 5...
  • Page 100 SATA connectors 66 specifications 88 troubleshooting 53 name hardware product 10 exploded view 74 FRU list 73 specifications 86 ODD, see optical disc drive 1 Hardware Diagnostic Procedure 41 operating system 1 HDD, see hard disk drive 1 optical disc drive HDD-ODD bracket configuration 11 remove 28...
  • Page 101 type processor 10 Save & Exit Setup 20 serial number system 10 undetermined problems 57 Settings USB ports Load Default 20 front 4, 5 side panel user password 18 remove 24 slots expansion 5 VGA port 5 software specifications video antivirus 2 controller 1 operating system 1...

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