On Sep 29, 2008, at 7:53 AM, hillhippy wrote:
> > I'm going to replace the optical drive in my sister in laws iMac G4 > 1.25Ghz 17". While I've got it taken apart I want to max out the RAM > and upgrade the hard drive. > > The problem is the machine has two DIMM slots one under the base plate > and one on the mother board. They each use different memory form > factors SO-DIMM and SDRAM. The slots are numbered DIMM 0-J22 and DIMM > 1-J20, But there is no information that I can find about which jack is > which (even Apples service source fails to list the jack numbers). I > need this information to buy the correct memory prior to taking the > machine apart (which I only want to do once). I'm sure that I have > missed something obvious. > > Thanks for your help I have the very same 17" G4 1.25 GHz iMac. J20 is the SDRAM slot on the top side of the logic board. Replacing this requires that you remove the 4 T15 screws that hold the bottom to the top part of the case. (Don't forget to use new thermal paste and to tighten these 4 screws to 17 inch pounds when you reassemble the case.) J22 is the user-accessible SO-DIMM slot that requires only that you loosen the four captive Phillips head screws and remove the bottom plate. HTH. Jim Scott --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
