Error
Message |
Probable
Cause |
Recommended
Action |
Disk
Drive A Error |
Drive
A is present, but fails the BIOS POST disk tests. |
- Run Setup.
- Replace the signal cables.
- Replace the disk drive.
|
Extended
RAM failed at offset nnn |
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 system
board.
|
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 disk in drive A not correctly indentified. |
- Replace the memory
modules.
- 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 nnn of the upper limit of Upper Memory Blocks, indicating
released 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
|