Apple PowerBook 140 Specifications download pdf (Page 51)

Troubleshooting Symptom Charts/Internal Modem - 25

Internal Modem

Internal modem

options do not appear

in CDEV

1 Remove and reseat modem card.

2 Verify that System is 7.0.1 or later.

3 Replace modem card.

4 Replace motherboard.

Modem does not

respond properly to

AT command set

instructions

1 Verify that baud rate and data format settings of

communications application are compatible with internal

modem and remote modem.

2 Check phone cord connection and operation.

3 Remove and reseat modem card.

4 Verify that System is 7.0.1 or later.

5 Replace modem card.

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Apple PowerBook 140 Specifications Page 51