Apple powermac g3 blue.white Service Manual

 

 Troubleshooting

Symptom Charts/Error Beeps - 40

 

Computer beeps once 

at startup

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

2 Reseat the SDRAM and try again.

3 If no SDRAM is present, install a known-good PC-100 

SDRAM DIMM in the top slot and try again. 

4 If DRAM is present, replace it (one DIMM at a time, starting 

with the top DIMM slot) with a known-good PC-100 SDRAM 

DIMMs.

5 Reseat processor module and try again.

6 Replace processor module and try again.

7 Replace logic board.

Computer beeps twice 

at startup

1 Two beeps means that incompatible RAM types may be 

installed. Verify that only PC-100 SDRAM DIMMs are 

installed and not EDO memory. 

2 Replace the existing SDRAM one DIMM at a time with known-

good PC-100 SDRAM DIMMs.