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6500 Memory

Posted on 2000-04-06
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Last Modified: 2013-11-17
I am trying to upgrade memory in a Power Mac 6500. It had two memory cards, one is 64 Mb, the other is 32Mb. I purchased another 64Mb RAM and replaced the 32 Mb with that, so I now have a total of 128Mb.

My problem is the computer still sees the memory in the slot where I put the new 64Mb as being 32Mb. I even took the 64Mb RAM that had already been in the Mac and moved it to the slot where I was installing the new 64Mb and the Mac saw that as 32 Mb RAM also.

Any ideas? Thanks!
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Question by:Dexter
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brian_b earned 100 total points
ID: 2691756
What is the exact specifications on the ram. 8X4X32 or what. What does apple system profiler tell you it is?
And secondly. you might need to either remove the battery cable off the motherboard (right next to the square, velcro attatched, battery) for like 30 seconds or press the kudas switch to reset the motherboard. Also zap the PRAM by holding down Apple-option-P-R on startup for like 3 chimes or so. You should take the kudas reset and zapping pram steps whenever installing hardware on the motherboard.
If you're saying that you moved the 32 over and it still sees it as a 32 in another slot. Then most likely you have a 32. Try putting in one at a time and see what you get, put the new 64 in by itself in the slot the other 64 was in and leaving the other slot empty, what does it come up as?
Apple System Profiler 2.1.2 tells you the size in each slot. can be dl'd at http://asu.info.apple.com/swupdates.nsf/artnum/n10098
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Expert Comment

by:munsie
ID: 2695186
the 6400/6500 motherboards have a small reset button at the back of the board that must be pressed when upgrading memory.

refer to your owner's manual for more info.

dennis
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