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Troubleshooting Symptom Charts/System
(Continued)
- 6
System
(Continued)
System
intermittently
crashes or locks up
1 Verify that system software is version 7.1.2 or later.
2 Verify SIMMs are noncomposite and installed in like pairs
(same size/speed).
3 Verify that software is known-good.
4 Verify that software is Power Macintosh compatible (contact
developer).
5 Verify that a video card is installed in the PDS slot.
6 Clear parameter RAM. Hold down <Command> <Option> <P>
<R> during startup but before "Welcome to Macintosh"
appears.
7 Replace cache SIMM (if installed).
8 Replace DRAM SIMMs. Refer to Memory manual.
9 Replace power supply.
10 Replace logic board. Retain SIMMs.