Справочник Пользователя для Apple Macintosh Server G4

 Troubleshooting

Symptom Charts/ Error Tones -  4 5

 Error tones occur before system software loads.

Computer beeps once 
at startup

One beep means that no RAM is installed or detected.
1

If no DIMM is present, install a known-good DIMM in the top 
slot and try again. 

2

Reseat the DIMMs.

3

Run Apple Hardware Test. If the test finds bad memory, 
replace the DIMMs one at a time and test until all bad DIMMs 
are replaced with known-good modules.

4

Reseat the processor module.

5

Replace the processor module.

6

Replace the logic board.