Compaq Portable II Maintenance And Service Manual page 25

1101 - 14 Serial port test, DRIVER/RECEIVER data
failure
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1102 - 58 Serial Port COM1 set to INTR 3
1102 - 60 Serial Port COM2 set to INTR 4
1102 - 64 Serial Port data compare error
1102 - 72 Serial Port no TX RDY
1102 - 88 Serial Port no RX RDY
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Table 5-9. Modem Communications Test Error Codes
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Error
Codes Error Description
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1201 - xx Modem Internal Loopback test
1201 - 01 UART DLAB bit failure
1201 - 02 Line input or UART failure
1201 - 03 Address line fault
1201 - 04 Data line fault
1201 - 05 UART control signal failure
1201 - 07 UART DATA READY bit failure
1201 - 08 UART TX/RX buffer failure
1201 - 09 INTERRUPT circuit failure
1201 - 10 COM1 set to invalid interrupt
1201 - 11 COM2 set to invalid interrupt
1201 - 12 DRIVER/RECEIVER control signal
failure
1201 - 13 UART control signal interrupt failure
1201 - 14 DRIVER/RECEIVER data failure
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Error
Codes Error Description
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1201 - 15 Modem detection failure
Recommended Action
The following apply to
error codes 120l - xx
through 1210 - xx:
1. Refer to modem
documentation for
correct setup
procedures.
2. Check the modem line.
3. Replace the modem and
retest.
Recommended Action
The following apply to
error codes 120l - xx