Apple Mac 8600 - Manual (Page 67)

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 Reseat processor card.
4 Replace processor card.
5 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.