Apple 180 用户手册

 

 Troubleshooting

Symptom Charts/Internal Modem - 30

 

Internal modem 

options do not appear 

in CDEV

1 Remove and reseat modem card.

2 Verify that System is 7.1 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 7.1 or later.

5 Replace modem card.