Compaq SLT 386s/20 Maintenance And Service Manual page 28

Table 3-7. Serial Test Error Codes
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Error
Code Description
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1101 - 01 Serial Port Test:
DLAB bit failure
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
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Error
Code Description
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1101 - 10 Serial Port Test; COM1 set
to invalid interrupt
1101 - 11 Serial Port Test; COM2 set
to invalid interrupt
1101 - 12 Serial Port Test; DRIVER/
RECEIVER control signal
failure
1101 - 13 Serial Port Test; UART
control signal interrupt
failure
1101 - 14 Serial Port Test; DRIVER/
RECEIVER data failure
1109 - 01 Clock register initialization
failure
1109 - 02 Clock register rollover
failure
1109 - 03 Clock reset failure
Recommended Action
UART The following steps apply to error
codes 1101 - xx through 1109 - xx:
1. Replace the serial interface
board and retest.
2. Replace the system board and
retest.
Recommended Action
The following steps apply to error
codes 1101 - xx through 1109 - xx:
1. Replace the serial interface
board and retest.
2. Replace the system board and
retest.