Apple powermac 8500 series Servicehandbuch

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 Troubleshooting
Symptom Charts/System 
 
 (Continued)
 
 - 10
 
System 
 
 (Continued)
 
During startup, 
following message is 
displayed, "This 
startup disk will not 
work on this 
Macintosh model...."
1 Verify that startup disk is good.
2 Verify system software is version 7.5.2 or later (PM8500/
120) or 7.5.3 or later (PM 8500/132, PM 8500/150, 
and WS 8550).
3 Do a clean install of the system software.
PM 8200 can’t be 
powered off unless 
external 1.2 GB hard 
drive is off 
 
or 
 
LED 
remains lit when 
system is powered off 
and attached 1.2 GB 
hard drive is left 
powered on
This problem only affects PM 8200 machines with serial 
numbers in the following ranges:
• CK634xxxxxx to CK637xxxxxx
• XB634xxxxxx to XB637xxxxxx
• SG634xxxxxx to SG637xxxxxx
• FC634xxxxxxx to FC637xxxxxx
If system falls into one of these serial number ranges, execute 
the following instructions: