Compaq 486 Maintenance And Service Manual page 34

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
-----------------------------------------------------------------------------
Error
Code Description
-----------------------------------------------------------------------------
1201 - 13 UART control signal
interrupt failure
1201 - 14 DRIVER/RECEIVER
data failure
1201 - 15 Modem detection failure
1201 - 16 Modem ROM; checksum
failure
1201 - 17 Tone detection failure
1202 - xx Internal Modem Test
1202 - 01 Modem timed out waiting
for SYNC (local loopback
mode)
1202 - 02 Modem timed out waiting
for response (local
loopback mode)
1202 - 03 Modem exceeded data
block retry limit (local
loopback mode)
1202 - 11 Modem timed out waiting
for SYNC (analog loopback
originate mode)
1202 - 12 Modem timed out waiting
for modem response (analog
loopback originate mode)
-----------------------------------------------------------------------------
Error
Code Description
-----------------------------------------------------------------------------
1202 - 13 Modem exceeded data block
retry limit (analog
loopback originate mode)
Recommended
Action
The following steps apply
to error codes 1201 - xx
through 1210 - xx:
1. Refer to modem
documentation for
Configuration utility
procedures.
2. Check the modem line.
3. Replace the modem and
retest.
Recommended
Action
The following steps apply
to error codes 1201 - xx
through 1210 - xx:
1. Refer to modem