On Jul 11, 2004, at 01:41 pm, Stephen Berry wrote:
I too have seen this in some Macs. I can't remember the exact techy specs of the RAM suited to the machines, but I think you're safe if the 256 sticks have chips on both sides of the DIMM ie 16 chips. It's too risky getting no-name RAM for Macs, so I usually go to a supplier that has a "memory selector" on their web site!
Every PC133 256MB I've tried has worked in my B&W, guess I'm just lucky :)
I thought it was possibly related to 'single bank' and 'double bank' RAM chips. This is something that has cropped up a few times in Macs in the past. IIRC 16-chip units are double-bank.
According to Crucial RAM however it is related to the machine not supporting modern 'high density' RAM chips so thusly the DIMMs have to be 32Mbitx64 (16 chip double sided) to work, rather than 64Mbitx32 (8 chips single sided). I think. Don't quote me on that....
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