Acer X3810 User Manual

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Chapter 4
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
Boot
Message Displayed
Description
Gate20 Error
The BIOS is unable to properly control the motherboard’s Gate A20 function, which 
controls access of memory over 1 MB. This may indicate a problem with the 
motherboard.
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 
Wrong
The base memory (memory below 1MB) size that is reported in the CMOS (offset 
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.
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 
in A:
The BIOS attempted to boot from the A: drive, but could not find a proper boot 
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.
NO ROM BASIC
This message occurs on some systems when no bootable device can be detected.