HP Portable 386 Compaq Portable 386 Personal Computer Maintenance and Service - Page 34

Table 6-10. Modem Communications Error Codes 12xx - xx Range, 07 UART DATA READY bit failed.

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Code Error Description Recommended Action 1101 - xx Asynchronous Communications The following steps apply to Interface Test error codes 1101 - xx: 1101 - 01 UART DLAB bit failed. 1101 - 02 Line input or UART fault. 1101 - 03 Address line fault. 1101 - 04 Data line fault. 1101 - 05 UART control signal failed. 1. Check the switch settings on the Serial/Parallel Interface Board, if applicable. 2. Check the jumper settings on the system board. 3. Replace the Serial/Parallel Interface Board, if applicable. 4. Replace the system board and retest. 1101 - 06 UART THRE bit failed. 1101 - 07 UART DATA READY bit failed. 1101 - 08 UART TX/RX buffer failed. 1101 - 09 Interrupt circuit failed. 1101 - 10 COM1 set to interrupt 3. 1101 - 11 COM2 set to interrupt 4. 1101 - 12 Drive/receiver control signal failed. 1101 - 13 UART control signal interrupt failed. 1101 - 14 Drive/receiver data failed. Error Code Error Description Recommended Action 1109 - 01 Clock register The following steps apply to error initialization failed. 1109 - xx: 1109 - 02 Clock register rollover failed. 1109 - 03 Clock reset failed. 1109 - 04 Input line or clock failed. 1. Check the jumper settings on the system board (see Chapter 9, "Jumper and Switch Settings"). 2. Replace the system board and retest. 1109 - 05 Address line fault. 1109 - 06 Data line fault Table 6-10. Modem Communications Error Codes (12xx - xx Range

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Code
Error Description
Recommended Action
------------------------------------------------------------------------------
1101 - xx Asynchronous Communications
The following steps apply to
Interface Test
error codes 1101 - xx:
1101 - 01 UART DLAB bit failed.
1. Check the switch settings on the
Serial/Parallel Interface Board,
1101 - 02 Line input or UART fault.
if applicable.
2. Check the jumper settings on the
1101 - 03 Address line fault.
system board.
3. Replace the Serial/Parallel
1101 - 04 Data line fault.
Interface Board, if applicable.
4. Replace the system board and
1101 - 05 UART control signal failed.
retest.
1101 - 06 UART THRE bit failed.
1101 - 07 UART DATA READY bit failed.
1101 - 08 UART TX/RX buffer failed.
1101 - 09 Interrupt circuit failed.
1101 - 10 COM1 set to interrupt 3.
1101 - 11 COM2 set to interrupt 4.
1101 - 12 Drive/receiver control
signal failed.
1101 - 13 UART control signal
interrupt failed.
1101 - 14 Drive/receiver data
failed.
------------------------------------------------------------------------------
Error
Code
Error Description
Recommended Action
------------------------------------------------------------------------------
1109 - 01 Clock register
The following steps apply to error
initialization failed.
1109 - xx:
1109 - 02 Clock register rollover
1. Check the jumper settings on
failed.
the system board (see Chapter 9,
"Jumper and Switch Settings").
1109 - 03 Clock reset failed.
2. Replace the system board and
retest.
1109 - 04 Input line or clock failed.
1109 - 05 Address line fault.
1109 - 06 Data line fault.
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Table 6-10. Modem Communications Error Codes (12xx - xx Range)
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