Compaq Presario Series Maintenance And Service Manual page 164

Diagnostic Error Codes, continued
1.800.AT.COMPAQ
privacy and legal statement
1201-xx Modem Internal Loop-Back
Test
1202-xx Modem Time-Out Error
1203-xx Modem External Termination
Test
1204-xx Modem Auto Originate Test
1206-xx Dial Multifrequency Tone
Test
1210-xx Modem Direct Connect Test
The following steps apply to error codes
1201-xx through 1210-xx:
1 Refer to modem documentation for
correct Setup procedures.
2 Check the modem line.
3 Replace the modem and retest.