Acer X5812, X3812 manual System Configuration, Eprom

Page 69

System Configuration

Message Displayed

Description

 

 

DMA-1 Error

Error initializing primary DMA controller. This is a fatal error, often indication a

 

problem with system hardware.

 

 

DMA-2 Error

Error initializing secondary DMA controller. This is a fatal error, often indication a

 

problem with system hardware.

 

 

DMA Controller Error

POST error while trying to initialize the DMA controller. This is a fatal error, often

 

indication a problem with system hardware.

 

 

Checking

BIOS could not write to the NVRAM block. This message appears when the FLASH

NVRAM..Update

part is write-protected or if there is no FLASH part (System uses a PROM or

Failed

EPROM).

 

 

Microcode Error

BIOS could not find or load the CPU Microcode Update to the CPU. This message

 

only applies to INTEL CPUs. The message is most likely to appear when a brand

 

new CPU is installed in a motherboard with an outdated BIOS. In this case, the

 

BIOS must be updated to include the Microcode Update for the new CPU.

 

 

NVRAM Checksum

There was an error in while validating the NVRAM data. This causes POST to clear

Bad, NVRAM

the NVRAM data.

Cleared

 

 

 

Resource Conflict

More than one system device is trying to use the same non-shareable resources

 

(Memory or I/O).

 

 

NVRAM Ignored

The NVRAM data used to store Plug’n’Play (PnP) data was not used for system

 

configuration in POST.

 

 

NVRAM Bad

The NVRAM data used to store Plug’n’Play (PnP) data was not used for system

 

configuration in POST due to a data error.

 

 

Static Resource

Two or more Static Devices are trying to use the same resource space (usually

Conflict

Memory or I/O).

 

 

PCI I/O conflict

A PCI adapter generated an I/O resource conflict when configured by BIOS POST.

 

 

PCI ROM conflict

A PCI adapter generated an I/O resource conflict when configured by BIOS POST.

 

 

PCI IRQ conflict

A PCI adapter generated an I/O resource conflict when configured by BIOS POST.

 

 

PCI IRQ routing table

BIOS POST (DIM code) found a PCI device in the system but was unable to figure

error

out how to route an IRQ to the device. Usually this error is causing by an

 

incomplete description of the PCI Interrupt Routing of the system.

 

 

Timer Error

Indicates an error while programming the count register of channel 2 of the 8254

 

timer. This may indicate a problem with system hardware.

 

 

Refresh timer test

BIOS POST found that the refresh timer hardware failed to pass the Refresh

failed

Retrace Test.

 

 

Interrupt Controller-1

BIOS POST could not initialize the Master Interrupt Controller. This may indicate a

error

problem with system hardware.

 

 

Chapter 4

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Contents Acer Aspire X3812/X5812 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents Chapter System Block Diagram and Board Layout Chapter FeaturesPower supply System BiosPorts Operating system and softwareDimension and weight Front Panel System ComponentsX3812 Icon ComponentX5812 Rear Panel Internal Components LED indicator Color LED status Description System LED IndicatorsSystem Utilities Cmos Setup UtilityNavigating Through the Setup Utility Entering Cmos setupSetup Utility Menus Parameter Description Product InformationParameter Description Option Standard Cmos FeaturesEnabled Advanced Bios FeaturesAuto Advanced Chipset FeaturesAhci Integrated PeripheralsPower Management Setup PC Health Status Frequency/Voltage Control Setting a system password Bios Security FeaturesRemoving a system password Load Default Settings Save & Exit Setup Exit Without Saving Bios Recovery Chapter Disassembly Requirements System DisassemblyPre-disassembly Procedure Main Unit Disassembly Main Unit DisassemblyRemoving the Side Panel Removing the Front Bezel Removing the Heat Sink Fan Assembly Removing the Processor Removing the Optical Drive Page Remove the two screws B from the optical drive Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module out of the chassis Chapter Removing the Memory Modules Removing the TV Tuner Card Removing the VGA Card Disconnect the VGA card cable from the mainboard Chapter Removing the Front I/O and Card Reader Boards Remove the screw D that secures the bracket to the chassis Pull the I/O board out of the bracket Removing the Mainboard Remove the screw B on the rear panel Hardware Diagnostic Procedure System TroubleshootingPower System Check System Check ProceduresSystem External Inspection System Internal InspectionBootblock Initialization Code Checkpoints Viewing Bios checkpointsCheckpoints Checkpoint DescriptionBootblock Recovery Code Checkpoints Post Code Checkpoints Initialize RTC date/time High Byte XY DIM Code CheckpointsPost Bios Beep Codes Boot Block Beep CodesBeep Symptom Cause and Description Beep CodesTroubleshooting Post Bios Beep Codes Boot Error MessagesMemory Message Displayed DescriptionStorage Device Virus Related Eprom System ConfigurationMiscellaneous CmosSmbios eModule Error Messages USB eModule Error MessagesCPU eModule Error Messages MPS Table Multi-processor eModule Error MessagesOnline Support Information System Block Diagram System Block Diagram and Board LayoutBoard Layout MainboardCode Description PWR2 System Jumper Name Location Default SettingsFRU Field Replaceable Unit List Aspire X3812/X5812 Exploded Diagram Part Name Category Part Name Acer Part Number X3812 FRU ListModem Card LITE-ON D-1156E#A10A LOW-PROFILE PCI-E 56K Lower Case HDD 1TB 3.5 7200RPM Sata Hgst Saturn HDT721010SLA360 Keyboard PS2 104KEY Chicony KB-07593S32552V Russian Black Keyboard PS2 105KEY LITE-ON SK-9620 SG-30600-35W Swedish Keyboard USB 105KEY Chicony KU-07606CH2552V SWISS/G Black Keyboard USB 105KS LITE-ON SK-9625 Black Belgium Pointing Device Mouse PS2 OPT SM-9620 Liteon SM-30600-00W X5812 FRU List CASE/COVER/BRACKET Assembly Front Bezel Upper Case Keyboard Keyboard PS2 104KEY Chicony KB-07593US2552V US2552V US Blac Keyboard PS2 104KEY Chicony KB-07593S32552V Russian Black Keyboard PS2 105KEY LITE-ON SK-9620 SG-30600-35W Swedish Keyboard USB 105KEY Chicony KU-07606CH2552V SWISS/G Black Memory Memory Nanya DDR3 1333MHZ 1G NT1GC64B88A0NF-CG Rohs Power Supply 220W PFC 230V Liteon PE-5221-08AP-ROHS Chapter Chapter Intel Core 2 Quad Specification Intel Core 2 Duo SpecificationAppendix a Intel Celeron Dual-Core Specification Intel Pentium Dual-Core SpecificationSystem Memory Hard Disk Drive Network Interface SpecificationAudio Interface Super Multi SpecificationRW 8X CLV DVD-ROM Appendix a 100