Error Messages, Memory, Boot | Acer X3812, X5812 instruction

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.

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	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.

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.

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