Инструкции По Обслуживанию для Apple macintosh ii.iix.iifx
Troubleshooting
Symptom Charts/Error Chord - 2
Symptom Charts
Error Chord
Error chord sounds
during startup
sequence
1 Perform SIMM verification on customer’s logic board.
Replace Apple-labeled SIMMs manufactured by NEC that have
date code of 9052 or below.
2 Replace logic board. Retain customer’s SIMMs.