Error
Message |
Probable
Cause |
Recommended
Action |
Diskette
Drive A Error |
Drive A:
is present, but fails the BIOS POST diskette tests. |
- Run Setup.
- Replace the signal cables.
- Replace the disk drive.
|
Extended
RAM failed at offset |
Extended
memory not working or not configured properly. |
- Replace
the memory modules.
- Replace the system
board.
|
Failing
Bits nnn |
nnn is a
map of the bits at the RAM address which failed the memory test. |
- Run Setup.
- Replace the system board.
|
Fixed
Disk 0 or 1 |
Hard
drive is not working or not configured properly. |
- Run Setup.
- Replace the signal cable.
- Replace the hard drive.
|
Fixed
Disk Controller Failure |
Hard drive
is not working or not configured properly. |
- Run Setup.
- Replace the system
board.
|
Incorrect
Drive A Type |
Type of diskette in drive
A not correctly identified. |
- Run Setup
- Replace the disk
drive.
|
Invalid
NVRAM Media Type |
Problem with
NVRAM (CMOS) access. |
Replace the system
board.
|
Return to top
|
Keyboard
Controller Error |
Keyboard,
I/O keyboard controller (on system board), or mouse error. |
- Replace the keyboard.
- Replace the mouse.
- Replace the system
board.
|
Keyboard
Error |
Keyboard,
I/O keyboard controller (on system board), or mouse error. |
- Replace the keyboard.
- Replace the mouse.
- Replace the system board.
|
Operating
System not found |
Operating system cannot be located
on either drive A or C.
|
Run Setup.
|
Parity
Check 1 |
Parity error
found in the system bus. |
- Run Setup.
- Replace the memory
modules.
- Replace the system
board.
|
Parity
Check 2 |
Parity error
found in the I/O bus. |
- Run Setup.
- Replace the ISA board (modem).
|
Real
Time Clock Error |
Real-time
clock fails BIOS test. |
Replace the system
board.
|
System
Battery is Dead |
RTC
battery is dead. |
- Replace the RTC
battery.
- Run Setup.
|
Return to top
|
System
BIOS Shadowed |
System BIOS
copied to Shadow RAM. |
Status Message: no action required.
|
System
Cache Error |
RAM cache
failed the BIOS test.
|
Run Setup.
|
System
CMOS Checksum Bad |
CMOS is corrupted
or modified incorrectly.
|
Run Setup.
|
System
RAM failed at Offset, nnn |
System RAM
failed. |
Replace the memory
modules.
|
System
Timer Error |
DMA, timers,
etc. |
Replace the system
board.
|
UMB
Upper Limit Segment Address, nnn |
Displays
the address of nnn of the upper limit of Upper Memory Blocks, indicating
releases segments of the BIOS. |
Status Message: no action required.
|
Video
BIOS Shadowed |
Video BIOS
successfully copied to shadow RAM. |
Status Message: no action required.
|
Return to top
|