IBM 1400 (2611) manual SelectDiagnostics SelectO her Devices, AndModem, Dialtone/DTMF Test

If an error occurs, reconnect the connector on th board.

If the error still remains:

1.Reconnect the CD-ROM/DVD-ROM drive cable.

2.Replace the CD-ROM/DVD-ROM drive cable.

3.Replace the CD-ROM/DVD-ROM drive.

4.Replace the system board.

Modem Board Check

Do the following to isolate the problem to the sy internal modem:

1.Boot from the diagnostics diskette and start Doctor program (please refer to “Running the PC Doctor Diagnostics Program” on page 135).

2.SelectDiagnostics .

3.SelectO her Devices .

4. SelectModem Loopback Test		andModem
Dialtone/DTMF Test	.
5. Follow the instructions		in the message window.

If an error occurs with the internal modem, do t following:

1. Change another telephone line and test again.

2.Re-plug the telephone connector.

3.Reconnect the modem board.

4.Replace the modem connector.

5.Replace the system board.

ThinkPad i Series 1400 (Part117 II)