eMachines EL1852G driver and firmware
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eMachines EL1852 Service Guide - Page 2
Revision History
Refer to the table below for changes made on this version of the EL1852 Desktop Computer Service Guide.
Date
Chapter
Updates
ii
EL1852 Service Guide
eMachines EL1852 Service Guide - Page 3
..., 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.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or...
eMachines EL1852 Service Guide - Page 4
... this service guide.
SCREEN MESSAGES NOTE WARNING
CAUTION
IMPORTANT
Denotes actual messages that appear on screen.
Gives additional information related to the current topic.
Alerts you to any physical risk or system damage that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems...
eMachines EL1852 Service Guide - Page 7
... 26 Removing the Processor 27 Removing the HDD-ODD Bracket 28 Removing the Expansion Boards 33 Removing the Memory Modules 35 Removing the Power Supply Unit 35 Removing the Front I/O and Card Reader Assembly 37 Removing the Mainboard 40 Hardware Diagnostic Procedure 41 System Check Procedures 41 Checkpoints 42 POST Error Indicators 46 BIOS Recovery 58 BIOS Update 59 Clearning CMOS...
eMachines EL1852 Service Guide - Page 9
... x16 slot • One PCI Express x1 slot • Wired LAN: Realtek RTL8111DL Gigabit Ethernet Controller • WLAN option: 802.11 b/g/n wireless network adapter • One HDD bay suppporting 3.5-inch 25.4 mm SATA HDDs • Support SATA HDD in 160 - 1500 GB capacities • One ODD bay supporting 5.25-inch standard SATA ODD • Supports DVD-R/RW drive or DVD-Super Multi double...
eMachines EL1852 Service Guide - Page 10
Component Card reader (optional)
Power supply Antivirus software System BIOS
Power management
Audio
Item Audio codec Audio jacks
Description • 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 - Memory Stick ...
eMachines EL1852 Service Guide - Page 13
... jack
2
LAN connector
3
Key lock
4
Kensington lock
5
Power connector
6
Fan aperture
7
PS/2 keyboard connector
8
PS/2 mouse connector
9
Monitor port
10
USB 2.0 ports
11
Microphone jack
12
Line-out jack
13
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.
EL1852 Service Guide
5
eMachines EL1852 Service Guide - Page 17
...
• PC Health Status
• Standard CMOS Features
• Frequency/Voltage Control
• Advanced BIOS Features
• BIOS Security Features
• Advanced Chipset Features
• Load Default Settings
• Integrated Peripherals
• Save & Exit Setup
• Power Management Setup
• Exit Without Saving
NOTES • The screenshots used in this section...
eMachines EL1852 Service Guide - Page 21
... that causes a computer to appear to have less memory available than is physically installed. Note: This feature is useful for systems running on 64-bit OS and those 32-bit systems that support the Physical Address Extension method.
Select the amount of system memory used by the internal graphics device.
This setting is only available for WinXp.
Value Enabled...
eMachines EL1852 Service Guide - Page 52
... limit memory test. Display total memory in the system.
Mid POST initialization of chipset registers.
Detect different devices (Parallel ports, serial ports, and coprocessor in CPU, ... etc.) successfully installed in the system and update the BDA, EBDA...etc.
Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size if needed.
44
EL1852 Service Guide
eMachines EL1852 Service Guide - Page 53
... IPL devices controlled by BIOS and option ROMs. Initializes remaining option ROMs. Generate and write contents of ESCD in NVRam. Log errors encountered during POST. Display errors to the user and gets the user response for error. Execute BIOS setup if needed / requested. Check boot password if installed. Late POST initialization of chipset registers. Build ACPI tables (if ACPI is supported...
eMachines EL1852 Service Guide - Page 58
...the BIOS detects possible virus activity, it will prompt the user. This message will only be displayed if Virus Detection is enabled in AMIBIOS setup.
System Configuration
Message DMA-1 Error
DMA-2 Error
DMA Controller Error
Checking NVRAM... Update Failed
Microcode Error
NVRAM Checksum Bad, NVRAM Cleared Resource Conflict
NVRAM Ignored
NVRAM Bad
Static Resource Conflict PCI I/O conflict PCI ROM...
eMachines EL1852 Service Guide - Page 60
...works but fails to enter power
• Enter CMOS Setup and load the default settings. In Windows
saving mode when the Power Management systems, check settings in Power Management Property of
Mode is set to Enabled.
the Control Panel.
• Reload software from Recovery CD.
Blinking cursor only; system does not work. • IDE drive connection/cables
• IDE disk drives
• See...
eMachines EL1852 Service Guide - Page 61
... disk drive is configured correctly in CMOS Setup and that cable/jumper are set correctly before diagnosing any hard disk drive problems. (If only one drive is installed, please make sure the drive is connected to master connector or the drive is set to master.)
Optical Disc Drive-related Symptoms
Symptom/Error CD/DVD-ROM drive LED doesn't come on but works normally.
CD/DVD-ROM drive LED flashes...
eMachines EL1852 Service Guide - Page 62
...BIOS Setup is set correctly.
• RTC battery • Mainboard
Audio-related Symptoms
Symptom/Error Audio software program invoked but no sound comes from speakers.
Action/FRU • Speaker power/connection/cable
Modem-related Symptoms
Symptom/Error Modem ring cannot wake up system from suspend mode.
Data/fax modem software program invoked but cannot receive/send data/fax Fax/voice modem...
eMachines EL1852 Service Guide - Page 63
... not set to Instant-off. • Power switch cable assembly
• Ensure the power override switch (located at the back of the computer, just above the connector for the power cable) is not set to OFF.
• Power switch cable assembly. • Enter CMOS Setup and load the default settings. • Reload software from Recovery CD.
• Power supply • Mainboard
EL1852 Service Guide...
eMachines EL1852 Service Guide - Page 68
... for a computer running a 32- or 64-bit Windows OS. 1. Press the power button to turn on the computer. 2. Click Start | Command Prompt | Run as administrator.
3. Perform the steps below if your computer is running 32-bit Windows. a. Key in 'cd wintool\32'. (Go to BIOS path like "D:\WinTool\32")
b. Key in 'flash1M.bat' or 'flash1M'. 60
EL1852 Service Guide
eMachines EL1852 Service Guide - Page 77
...
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. But maintains register com-patibility and...
eMachines EL1852 Service Guide - Page 99
... clear CMOS 63 crisis recovery disk 58 recovery 58 specifications 87 update, DOS mode 59 update, Windows mode 60 BIOS version system 10 block diagram 65 boot block beep codes 56 execute 58 boot sequence 12 button optical drive eject 4
C
card reader multi-in-1 4 remove 37 specifications 89
checkpoints ACPI runtime 46 DIM 45 overview 42 POST 43
Chipset Features Advanced 13
CMOS...
eMachines EL1852 Service Guide - Page 101
... Exit Setup 20 serial number
system 10 Settings
Load Default 20 side panel
remove 24 slots
expansion 5 software specifications
antivirus 2 operating system 1 specifications audio 89 card reader 89 Ethernet 89 hard disk drive 88 memory 87 optical disc drive 88 power management 90 power supply unit 89 processor 86 system BIOS 87 system chipsets 87 speed processor 10 supervisor password 18 setting 18...