eMachines EL1852G eMachines EL1852 Service Guide - Page 55

Memory, Message, Description

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Memory Message Gate20 Error Multi-Bit ECC Error Parity Error RAM R/W test failed CMOS Memory Size Wrong Description 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. 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. Fatal Memory Parity Error. System halts after displaying this message. This message is displayed by the AMIBIOS8 when the RAM read/write test fails. 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. Boot Message Boot Failure... Invalid Boot Diskette Drive Not Ready A: Drive Error B: Drive Error Insert BOOT diskette in A: Reboot and select proper boot device or Insert boot media in selected boot device NO ROM BASIC Description 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. A diskette was found in the drive, but it is not configured as a bootable diskette. 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. 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. 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. 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. BIOS could not find a bootable device in the system and/or removable media drive does not contain media. This message occurs on some systems when no bootable device can be detected. EL1852 Service Guide 47

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EL1852 Service Guide
47
Memory
Boot
Message
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
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
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.
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.