On 24/03/2011 13:00, tedg wrote:
My new Pismo has a Fast Mac 550mhz G4 CPU upgrade, which came with
768M RAM.
I bought a newertech 512M RAM module for the lower slot. But the
system still only recognizes 768.
Is this a known glitch?
No, this is probably because the ram is not compatible, quite often you
will find that if you use high density ram then only half of it will be
recognised, I am not familiar with the Fast Mac upgrade, but I bet it
only supports low density ram, the other possibility is that the memory
controller can not address more than 768M, if you fit the new module on
it's own is it seen as 512 or 256, if it is only seen as 256 then you
either have incompatible ram, or a faulty module, if the whole 512M is
seen then it is probably a limitation of the memory controller.
Ben.
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