Compaq Deskpro 386 - Desktop PC, Maintenance And Service Manual

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5-18
Chapter 5, Error Messages and Codes
Addendum 108431-001 (11-88) to
Manual No. 108033-003
Table 5-2. Advanced Diagnostics Error Codes
Continued
Error
Code Description
Recommended
Action
1101-14 Serial Port Test, DRIVER/RECEIVER
data failure.
The following steps apply to error codes 1101-xx
through 1109-xx.
1. Check the switch settings and jumper positions on
the multipurpose fixed disk controller board (see
Chapter 8 ).
2. Replace the multipurpose fixed disk drive controller
board and retest.
3. Replace the system board and retest.
1109-01 Clock register initialization failure.
1109-02 Clock register rollover failure.
1109-03 Clock reset failure.
1109-04 Input line or clock failure.
1109-05 Address line fault.
1109-06 Data line fault.
Modem Communications Test
1201-xx Modem Internal Loopback Test The following steps apply to error codes 1201-xx
through 1210-xx:
1. Refer to the modem documentation for correct setup
procedures.
2. Check the modem line.
3. Replace the modem and retest.
01 UART DLAB bit failure.
02 Line input or UART failure.
03 Address line fault.
04 Data line fault.
05 UART control signal failure.
06 UART THRE bit failure.
07 UART DATA READY bit failure.
08 UART TX/RX buffer failure.
09 INTERRUPT circuit failure
10 COM1 set to invalid interrupt.
11 COM2 set to invalid interrupt.
12 DRIVE/RECEIVER control signal failure.
Continued...