Compaq Deskpro 386 - Desktop PC, Maintenance And Service Manual, Page: 109 / 276

Maintenance and Service Guide
5-17
Addendum 108431-001 (11-88) to
Manual No. 108033-003
Table 5-2. Advanced Diagnostics Error Codes
Continued
Error
Code Description
Recommended
Action
Serial Test
1101-01 Serial Port Test, UART DLAB bit 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.
1101-02 Serial Port Test, line input or UART fault.
1101-03 Serial Port Test, address line fault.
1101-04 Serial Port Test, data line fault.
1101-05 Serial Port Test, UART
control signal failure.
1101-06 Serial Port Test, UART THRE bit failure.
1101-07 Serial Port Test, UART DATA READY
bit failure.
1101-08 Serial Port Test, UART TX/RX
buffer failure.
1101-09 Serial Port Test, INTERRUPT
circuit failure.
1101-10 Serial Port Test, COM-1 set to
invalid interrupt.
1101-11 Serial Port Test, COM-2 set to
invalid interrupt.
1101-12 Serial Port Test, DRIVER/RECEIVER
control signal failure.
1101-13 Serial Port Test, UART control signal
interrupt failure.
Continued...