eMachines EL1852 Support Question
eMachines EL1852 Support Question
Find answers below for this question about eMachines EL1852.Need a eMachines EL1852 manual? We have 1 online manual for this item!
Question posted by venkataprasad44 on September 4th, 2014
Displaying No Signal
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Current Answers
Answer #1: Posted by TommyKervz on September 4th, 2014 1:26 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
Follow the instructions below
http://www.tomshardware.com/forum/271341-28-please-emachine-signal
http://www.tomshardware.com/forum/271341-28-please-emachine-signal
Related eMachines EL1852 Manual Pages
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 10
..., and line-in -1 card reader • The following memory cards are supported:
- Key lock
• Power LED
• Power button
2
EL1852 Service Guide CompactFlash (CF) Types I /O ports
LED indicators
Description
• Front panel - Microphone jack - Memory Stick (MS) - Headphone jack ...Audio
Item Audio codec Audio jacks
Description • Multi-in jacks - External display (VGA) port -
eMachines EL1852 Service Guide - Page 31
Turn off the power to disassemble the desktop computer for the different components vary in size. Unplug the power cord from the ...slots are empty. 2. Place the computer on how to the computer and all connected peripheral devices from the computer. 4. EL1852 Service Guide
23 System Disassembly
Chapter 3
This chapter contains step-by-step procedures on a flat, steady surface. Pre-...
eMachines EL1852 Service Guide - Page 50
...below 1MB Read-Write including E000 and F000 shadow areas but closing SMRAM.
42
EL1852 Service Guide This display method is done. Checkpoints may change due to as a POST card or ... platforms based on system configuration.Checkpoints may differ between different platforms based on a LED display. Please note that checkpoints may change due to vendor requirements, system chipset or option ...
eMachines EL1852 Service Guide - Page 52
...point. Test for total memory installed in system RAM size if needed.
44
EL1852 Service Guide Mid POST initialization of different Input Devices.
The BAT test is being...CH-2 count reg.
Uncompress and initialize any OEM specific information.
Initializes DMAC-1 & DMAC-2. Display total memory in the system that needs an adjustment in the system. Detect different devices (...
eMachines EL1852 Service Guide - Page 53
...Displays the system configuration screen if enabled.
Static resources are also reserved.
Execute BIOS setup if needed . Prepare CPU for IPL detection. Static Device Initialization (function 1); Function 1 initializes all device nodes, PCI devices, and PnP ISA cards. EL1852...base memory. Enable/Disable NMI as selected. Display boot option popup menu. Allocates memory for different...
eMachines EL1852 Service Guide - Page 54
...you correct the error before proceeding, even if the computer appears to correct the error.
46
EL1852 Service Guide It is running in APIC mode Entering sleep state S1, S2, S3, S4,... the system is detected during POST (Power On Self Text), the Setup utility will either: • Displays a POST error message, or • Emits a series of beep codes
POST Error Messages
POST error messages...
eMachines EL1852 Service Guide - Page 55
...Message Boot Failure... This is often reported by the AMIBIOS8 when the RAM read/write test fails.
EL1852 Service Guide
47 This message is present.
This may occur from faulty memory modules. A multiple ...below 1MB) size that may be due to properly configure the device.
System halts after displaying this message.
This may occur when the hole is set at 512K base memory or when...
eMachines EL1852 Service Guide - Page 56
... trying to detect and configure IDE/ATAPI devices in POST. This message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST.
48
EL1852 Service Guide This message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. The...
eMachines EL1852 Service Guide - Page 57
... to detect and configure IDE/ATAPI devices in POST. S.M.A.R.T.
This message is typically displayed when the BIOS is trying to send a S.M.A.R.T. A S.M.A.R.T.
failure messages may indicate...hard disk. This message can be reported by an ATAPI device using the S.M.A.R.T. EL1852 Service Guide
49 Message 3rd Slave Drive ATAPI Incompatible
4th Master Drive ATAPI Incompatible
...
eMachines EL1852 Service Guide - Page 58
...protected or if there is a fatal error, often indication a problem with system hardware.
50
EL1852 Service Guide
The NVRAM data used for system configuration in POST due to a drive's boot...resources (Memory or I /O). If the BIOS detects possible virus activity, it will only be displayed if Virus Detection is causing by BIOS POST. System Configuration
Message DMA-1 Error
DMA-2 Error
...
eMachines EL1852 Service Guide - Page 59
... is initialized.
This message usually indicates that the CMOS is not detected. Miscellaneous
Message Displayed KBC BAT Test failed
Keyboard Error
PS/2 Keyboard not found PS/2 Mouse not found ...BIOS POST.
This message is displayed when language module is not present in the BIOS setup but the device is required to continue the BIOS POST. EL1852 Service Guide
51 Indicates that ...
eMachines EL1852 Service Guide - Page 61
...DVD-ROM drive LED flashes for more than 30 seconds before diagnosing any optical drive problems.
EL1852 Service Guide
53
Action/FRU
• Enter CMOS Setup and load the default settings. •...but no messages are no sound output.
CD/DVD-ROM drive does not read and there are displayed.
Action/FRU • Enter CMOS Setup and load the default settings. • Hard disk drive...
eMachines EL1852 Service Guide - Page 62
...non-factory-installed cards. • Load default settings (if screen is inaccurate.
Display problem • Incorrect colors • No high intensity • Missing, ... Blank monitor (bright) • Distorted image • Unreadable monitor Display changing colors. For the PCI modem, make sure Power on By ...signal connection/cable • Monitor • Video adapter card • Mainboard...
eMachines EL1852 Service Guide - Page 64
... test error Keyboard controller BAT command failed General exception error (processor exception interrupt error) Display memory error (system video adapter)
Troubleshooting POST BIOS Beep Codes
Number of Beeps 1 ...with the system. Beep Codes
When no error message is an add-in board, replace or reseat
56
EL1852 Service Guide
Boot Block Beep Codes
Number of Beeps 1 2 3 4 5 7 10 11 12 13...
eMachines EL1852 Service Guide - Page 77
...
1
PORT 1L
3
PORT 1R
5
PORT 2R
7
SENSE_SEND
9
PORT 2L
Pin
Signal Name
2
AUD_GND
4
PRESENCE#
6
SENSE1_RETURN
8
KEY
10
SENSE2_RETURN
EL1852 Service Guide
69
Pin
Signal Name
Pin
Signal Name
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
F_AUDIO1: Front Panel Audio header
This header allows the user to support the new Serial ATA devices ...
eMachines EL1852 Service Guide - Page 78
... is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)output to the motherboard. Pin
Signal Name
1
SPDIF
2
+5VA
3
Key
4
GND
Function SPDIF digital output 5V analog Power No pin Ground
70
EL1852 Service Guide
F_USB1~3: Front Panel USB headers
The motherboard has two USB ports installed on the rear...
eMachines EL1852 Service Guide - Page 79
... standard power supply connector to SYS_FAN. 5. Connect the system cooling fan connector to ATX_POWER. 3. CPU_FAN: CPU Cooling FAN Power Connector
Pin
Signal Name
1
GND
2
+12V
3
Sense
4
PWM
Function System ground Power +12V Sensor PWM
EL1852 Service Guide
71 Connect the case switches and indicator LEDs to the following: 1. Refer to the F_PANEL. 4.
eMachines EL1852 Service Guide - Page 80
...
Pin
Signal Name
1
VCC
Reset Switch (+)
2
GLED0
3
HDD_LEDN
Hard disk LED (-)
4
GLED1
5
GND
Reset Switch (-)
6
PWRSW
7
HWRST_L
Reset Switch (+)
8
GND
9
F_PANEL_DET
Reserved
10
KEY
11
NC
Reserved
12
VCC
13
NC
Reserved
14
F_LAN_LED
Function *MSG LED (+) *MSG LED (-) Power Switch (+) Power Switch (-) No pin Reset Switch (+) Reset Switch (+)
72
EL1852 Service...
eMachines EL1852 Service Guide - Page 94
...
Appendix A
This appendix list the technical specifications of the EL1852 hardware components.
Processor
• Socket: LGA775 socket, 775...speed Bus speed Bus/core ratio L2 cache size Package type Thermal design power
Specification
Intel® Core™ 2 Duo Desktop Processors
E8600
E8500
E8400
E7600
3.33 GHz
3.16 GHz
3.0 GHz
3.06 GHz
1333 MHz 1333 MHz
1333 MHz
1066 MHz...
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