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Mac Forum / General / Hardware / February 2006RAM used on an iMAC G3 333mHz?
I'm looking to upgrade an iMac G3 333mHz. It has 128MB ram and I was just wondering if it takes PC100 or PC133 RAM? I've looked online and can't seem to find whether or not it uses the "standard long size" or the "short kinda like notebook" RAM. Thanks! Normal PC100 SDRAM. > Normal PC100 SDRAM. No it's SO-DIMM - the "short kinda like notebook" RAM. Stick with PC100, as the early iMacs have a tendency to only see half of PC133 SO-DIMMs. Yes, I know it's more complicated - it has to do with number of chips on the board and other stuff.  SignatureI recommend Macs to my friends, and Windows machines to those whom I don't mind billing by the hour >No it's SO-DIMM My 400M imac G3 uses standard PC100 SDRAM. I can freely swap the chips between this system and a PIII WIndows box with no problem. I have one in my hand right now...standard 168pin SDRAM. Absolutely no question about it. >> No it's SO-DIMM > > My 400M imac G3 uses standard PC100 SDRAM. I can freely swap the chips > between this system and a PIII WIndows box with no problem. I have one > in my hand right now...standard 168pin SDRAM. Absolutely no question > about it. The earlier iMacs used so-dimm's, the easy way of telling is if it is a slot loader or a tray loader, I think I am right in saying that all tray loaders use 144 pin so-dimm's and all G3 slot loaders use standard 168 pin dimm's. (both PC100, however PC133 often works ok) No doubt someone will correct me if I am wrong. Ben. > >No it's SO-DIMM > > My 400M imac G3 uses standard PC100 SDRAM. I can freely swap the chips > between this system and a PIII WIndows box with no problem. I have one > in my hand right now...standard 168pin SDRAM. Absolutely no question > about it. Right, but the OP has an older, 333MHz, iMac, with a tray-loading CD drive, and it uses SO-DIMMs. What's true for yours isn't at all relevant to his. SignatureMike Rosenberg <http://www.macconsult.com> Macintosh consulting services for NE Florida <http://www.cafepress.com/macconsult,macconsult4> Mac-themed T-shirts <http://bogart-tribute.net> Tribute to Humphrey Bogart > My 400M imac G3 uses standard PC100 SDRAM. I can freely swap the chips > between this system and a PIII WIndows box with no problem. I have one > in my hand right now...standard 168pin SDRAM. Absolutely no question > about it. Yes, but it's not a 333 mHz iMac, is it? The first 3 revisions of iMac - 233, 266 and 333 mHz - have tray load CD drives and use 144 pin SODIMMs. The later CRT iMacs, starting with the 350 mHz iMac, have slot load optical drives and use 168 pin SDRAM. |
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