Apple 9500/180MP Personal Computer User Manual


 
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
using Drive Setup and then run Drive Setup Updater utility
program. 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. Note: When
you replace the logic board, be sure the LED cable is not
interfering with the power actuator.