Apple Support Communities > Mac OS & System Software > Classic Mac OS (OS9, OS8 & System 7) > Discussions
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3975 Views 1 Reply Latest reply: Dec 24, 2007 2:25 PM by Don Archibald
Currently Being ModeratedDec 24, 2007 2:25 PM (in response to Barbara Clayton)Hi, Barbara -
The message is real, and can indicate something addressable, or something not.
First try reseating the RAM modules in the Mac. To do that, power the machine down, open the side panel door. Touch the large metallic box in the rear for a few seconds to dissipate any static electricity from you. Then unplug the power cord from the back of the machine.
Use the small plastic thingies at each end of each RAM module to pop it partway out of its socket, then push the module firmly back into the socket until the plastic thingies are vertical again.
Once you've done all the RAM modules, close the machine up, plug in the power cord, wait a minute or so then boot it up to see if the message redurs.
If it does, then it would indicate that there is a problem with the cache memory itself, which is on the main logic board. If this happens, you can either continue to use the machine that way (there will be a slight degradation of speed, more noticeable with higher-end, more powerful programs), or take it to an AASP (Authorized Apple Service Provider) to see it there is a repair available.G4/500; G4/733; various OS's, Mac OS 9.1.x, DSL, enet