Acer X3950, X5950 manual Error Messages, Memory, Boot, Message Displayed Description

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Error Messages

The following tables describes the error messages that may appear during POST. Each message is listed with a detailed description of the error.

Memory

Message Displayed

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.

 

A multiple bit corruption of memory has occurred, and the ECC memory algorithm

 

cannot correct it. This may indicate a defective memory module.

 

 

Parity Error

Fatal Memory Parity Error. System halts after displaying this message.

 

 

RAM R/W test failed

This message is displayed by the AMIBIOS8 when the RAM read/write test fails.

 

 

CMOS Memory Size

The base memory (memory below 1MB) size that is reported in the CMOS (offset

Wrong

15h) mismatches with the actual size detected. This condition may occur when the

 

hole is set at 512K base memory or when CMOS is corrupted.

 

 

Boot

Message Displayed

Description

 

 

Boot Failure ...

This is a generic message indicating the BIOS could not boot from a particular

 

device. This message is usually followed by other information concerning the

 

device.

 

 

Invalid Boot Diskette

A diskette was found in the drive, but it is not configured as a bootable diskette.

 

 

Drive Not Ready

The BIOS was unable to access the drive because it indicated it was not ready for

 

data transfer. This is often reported by drives when no media is present.

 

 

A: Drive Error

The BIOS attempted to configure the A: drive during POST, but was unable to

 

properly configure the device. This may be due to a bad cable or faulty diskette

 

drive.

 

 

B: Drive Error

The BIOS attempted to configure the B: drive during POST, but was unable to

 

properly configure the device. This may be due to a bad cable or faulty diskette

 

drive.

 

 

Insert BOOT diskette

The BIOS attempted to boot from the A: drive, but could not find a proper boot

in A:

diskette.

 

Reboot and Select proper Boot device or Insert Boot Media in selected Boot device

 

BIOS could not find a bootable device in the system and/or removable media drive

 

does not contain media.

 

 

Reboot and Select

BIOS could not find a bootable device in the system and/or removable

proper Boot device or

media drive does not contain media.

Insert Boot Media in

 

selected Boot device

 

 

 

NO ROM BASIC

This message occurs on some systems when no bootable device can be detected.

 

 

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Chapter 4

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Contents Acer Aspire X3950/X5950 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents System Block Diagram and Board Layout Features ChapterPower supply Dimension and weightPorts Operating system and softwareSystem Components Front PanelX3950 Icon ComponentX5950 Rear Panel Internal Components System LED Indicators LED indicator Color LED status DescriptionChapter Cmos Setup Utility System UtilitiesEntering Cmos setup Navigating Through the Setup UtilitySetup Utility Menus Product Information Parameter DescriptionStandard Cmos Features Parameter Description OptionAdvanced Bios Features LANAdvanced Chipset Features EistIntegrated Peripherals AhciPower Management Setup PC Health Status VbatFrequency/Voltage Control Bios Security Features Setting a system passwordRemoving a system password Load Default Settings Save & Exit Setup Exit Without Saving System Disassembly Disassembly RequirementsPre-disassembly Procedure Main Unit Disassembly X3950 modelX5950 model Removing the Side Panel Removing the Front Bezel Page Removing the Heatsink Fan Assembly Page Removing the Processor Page Removing the Optical Drive Remove the two screws C that secure the optical drive Slide the optical drive out of the bracket Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module off the unit X3950 Removing the Memory Modules Removing an Expansion Card To remove a network cardTo remove a VGA card To remove a TV tuner card Removing the Front I/O and Card Reader Boards Pull the board out of the bracket Chapter Pull the I/O board out of the bracket Removing the Mainboard Lift the board off the housing Removing the Top Bezel Chapter System Troubleshooting Hardware Diagnostic ProcedureSystem Check Procedures Power System CheckSystem External Inspection System Internal InspectionViewing Bios checkpoints Bootblock Initialization Code CheckpointsCheckpoints Checkpoint DescriptionBootblock Recovery Code Checkpoints Post Code Checkpoints Module DIM Code Checkpoints Acpi Runtime CheckpointsError Messages BootMemory Message Displayed DescriptionStorage Device Virus Related System Configuration EpromCmos MiscellaneousUSB eModule Error Messages Smbios eModule Error MessagesCPU eModule Error Messages MPS Table Multi-processor eModule Error MessagesBeep Symptom Cause and Description Beep CodesIndex of Symptom-to-FRU Error Message Diskette Drive-Related Symptoms Symptom / Error Action/FRU Hard Disk Drive-Related Symptoms Symptom / Error Action/FRU CD/DVD-ROM Drive-Related Symptoms Symptom / Error Action/FRUModem-Related Symptoms Symptom / Error Action/FRU Real-Time Clock-Related Symptoms Symptom / Error Action/FRUAudio-Related Symptoms Symptom / Error Action/FRU Some or all keys on keyboard do not work  Keyboard Bios Recovery Select Save & Exit Setup, then press Enter Undetermined Problems System Block Diagram and Board Layout System Block DiagramMainboard Layout Code DescriptionPWR1 Chapter FRU Field Replaceable Unit List Exploded Diagram X3950 modelX5950 model X3950 FRU List System model PV.SE602.004 AX3950 AAP AJC PV.SE602.004CPU/PROCESSOR System model PT.SE602.003 AX3950 AAP ACS PT.SE602.003 Speaker Speaker Chiamaw 9M-20A200-000 Acer Logo LF System model PT.SE602.004 AX3950 AAP ACS PT.SE602.004 Front Bezel W/LED Switch Cable for TBD CPU/PROCESSOR System model PT.SE602.005 AX3950 AAP ACS PT.SE602.005 KH.01K01.007 X5950 FRU List System model 91.3CY01.002G Aagassi PVT/MVB SKU AX5950Front Bezel for Speaker Speaker USB Neosonica NEW Silver Color AC-MT-113 Specification Appendix aSystem Bios VGA Interface BD Combo Module Specification Keyboard and Input DevicesBdmv Aacs Super Multi Specification PcavDVD-R 2x / 4x CLV, 2.4x~6x Appendix a 100