Compaq Presario Series Maintenance And Service Manual page 155

Diskette Drive A Error
Extended RAM failed at
offset nnn
Failing Bits nnn
Fixed Disk 0 or 1 Failure
Fixed Disk Controller Failure
Incorrect Drive A Type
Invalid NVRAM Media Type
Error message
Diskette Drive A Drive A: is present, but fails the BIOS
Error POST diskette tests
Extended RAM Extended memory not working or not
failed at offset nnn configured properly
Failing Bits nnn nnn is a map of the bits at the RAM
address which failed the memory test
Keyboard Controller Error
Keyboard Error
Operating System Not
Found
Parity Check 1
Parity Check 2
Real Time Clock Error
System Battery is Dead
POST Messages
Probable Cause
System BIOS Shadowed
System Cache Error
System CMOS Checksum Bad
System RAM Failed at Offset, nnn
System Timer Error
UMB Upper Limit Segment
Address nnn
Video BIOS Shadowed
Recommended Action
1. Run Setup.
2. Replace the signal cables.
3. Replace the drive.
1. Replace the memory modules.
2. Replace the system board.
1. Run Setup.
2. Replace the system board.