TroubleshootingSymptom Charts/Internal Modem (Continued) - 23

Internal Modem (Continued)

Strange mix of

1

Verify that baud rate and data format settings of

characters appears on

 

communications application are compatible with internal

screen

2

modem and remote modem.

 

Check phone cord connection and operation.

 

3

Verify that System is 7.1.1 or later.

 

4

Reseat modem card.

 

5

Replace modem card.

 

6

Replace daughterboard.

 

7

Replace motherboard.

Modem interferes

1

Reseat modem card.

with system sound

2

Replace modem card.

 

3

Replace interconnect board.

 

4

Replace motherboard.

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Apple 540C, 520C manual Internal Modem