Apple performa 6200.6300 Servicehandbuch

 

 Troubleshooting

Symptom Charts/Error Chords - 2

 

Symptom Charts

 

Eight-tone error 

chord sounds during 

startup

1 Reseat SIMMs or DIMMs.

2 Replace SIMMs or DIMMs. 

3 Replace logic board. Retain customer’s SIMMs or DIMMs.

4 Perform SIMM or DIMM verification on replacement logic 

board.

Four-tone error 

chord sounds during 

startup

1 Disconnect hard disk drive power cable and restart system. 

If startup sequence is normal, run “Macintosh Hard Disk 

Test” and replace hard drive, if necessary.

2 Disconnect floppy drive cable and restart system. If startup 

sequence is normal, replace floppy drive.

3 Replace logic board. Retain customer’s SIMMs or DIMMs.