5-18 Chapter 5, Error Messages and Codes
Table 5-2. Advanced Diagnostics Error Codes Continued
Error |
| Recommended | |
Code | Description | Action | |
Serial Port Test, DRIVER/RECEIVER | The following steps apply to error codes | ||
| data failure. | through | |
Clock register initialization failure. | 1. Check the switch settings and jumper positions on | ||
|
| the multipurpose fixed disk controller board (see | |
Clock register rollover failure. | |||
Chapter 8). | |||
|
| ||
Clock reset failure. | |||
2. Replace the multipurpose fixed disk drive controller | |||
Input line or clock failure. | board and retest. | ||
|
| 3. Replace the system board and retest. | |
Address line fault. | |||
| |||
|
|
| |
Data line fault. |
| ||
Modem Communications Test |
| ||
|
|
| |
Modem Internal Loopback Test | The following steps apply to error codes | ||
|
| through | |
01 | UART DLAB bit failure. | ||
1. Refer to the modem documentation for correct setup | |||
|
| ||
02 | Line input or UART failure. | ||
procedures. | |||
03 | Address line fault. | ||
2. Check the modem line. | |||
04 | Data line fault. | 3. Replace the modem and retest. |
05UART control signal failure.
06UART THRE bit failure.
07UART DATA READY bit failure.
08UART TX/RX buffer failure.
09INTERRUPT circuit failure
10COM1 set to invalid interrupt.
11COM2 set to invalid interrupt.
12DRIVE/RECEIVER control signal failure.
Continued...