Apple Power Macintosh 7200/75 Specifications download pdf (Page 46)

Troubleshooting Symptom Charts/Error Chords - 4

Error Chords

One-part error

chord sounds during

startup sequence

1 Disconnect SCSI data cable from hard drive and reboot

system. If startup sequence is normal, initialize hard drive.

Test unit again with SCSI data cable connected. If error chord

still sounds, replace hard drive.

2 Disconnect floppy drive cable from floppy drive and reboot

system. If startup sequence is normal, replace floppy drive.

3 Replace logic board. Retain customer's DIMMs.

Eight-part error

chord (death chimes)

sounds during

startup sequence

1 Replace DRAM DIMMs one at a time to test DRAM. Replace

any faulty DIMMs.

2 Replace logic board.

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 157 158

No comments

Apple Power Macintosh 7200/75 Specifications Page 46