Apple powermac server g3 minitow 服务手册

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页码 292
 
 Troubleshooting
Symptom Charts/System - 21
 
System 
intermittently 
crashes or hangs
1 Verify system software is version 8.0 or later with enabler 
770 for G3 Minitower, or version 8.1 or later with 
appropriate software extensions for G3 Server.
2 Verify software is known-good. Do a clean install of system 
software.
3 Verify software is Power Macintosh compatible (contact 
developer). Also, try booting with extensions off to determine 
if there are system init problems.
4 Clear parameter RAM. Hold down Command-Option-P-R 
during startup but before "Welcome to Macintosh" appears.
5 Remove all SDRAM DIMMs and try replacing them one at a 
time to test. Replace any bad DIMMs.
6 Replace logic board. 
7 Replace processor module.