On Mar 24, 2011, at 10:41 AM, Ben Smith wrote: > 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.
The Pismo does handle 1 Gb, 2-512 Mb modules. To the OP, is it possible you swapped the new 512Mb for the old 512Mb module? Check System Profiler under Memory to see what it is reporting. Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway" -- You received this message because you are a member of G-Books, a group for those using G3 iBooks and PowerBooks (we run a separate list for G4 'Books). The list FAQ is at http://lowendmac.com/lists/g-books.html and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g-books Support for older Macs: http://lowendmac.com/services/
