
Table 3-2. System Error Messages (Continued)
Message | Definition | Probable Causes |
|
|
|
Keyboard error | Keyboard not respond- | |
| ing correctly. | Faulty keyboard or key |
|
| pressed while com- |
|
| puter booting. |
|
| External keyboard: |
|
| Cable or connector |
|
| loose. Faulty keyboard |
|
| or key pressed while |
|
| computer booting. |
Operating system not found
Operating system can- not be found on hard- disk drive or on diskette in diskette drive.
Incorrect drive configuration. Operat- ing system not installed on
Parity check 1 | Parity error in system | Faulty main board. |
nnnn | bus at address nnnn. |
|
|
|
|
Parity check 2 | Parity error in I/O bus | Faulty main board. |
nnnn | at address nnnn. |
|
|
|
|
Real time clock | CMOS battery that | Faulty battery. Faulty |
error | supports data stored in | main board. |
| NVRAM may be dead. |
|
|
|
|
Shadow RAM | Shadow RAM failed at | Faulty or improperly |
failed at off- | address nnnn. | seated memory mod- |
set: nnnn |
| ule. Faulty main board. |
|
|
|
System battery | CMOS battery dead. | Faulty CMOS battery |
is |
| or main board. |
and run Setup |
|
|
|
|
|
System cache | Primary cache failed. | Faulty microprocessor. |
|
| |
disabled |
|
|
|
|
|