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Dumbass ram question
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Mac Elite
Join Date: Oct 2002
Location: Sydney, Australia
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Can I swap ram from a Quicksilver G4 to a flat panel imac? That's it...
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e-gads
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Mac Elite
Join Date: May 2002
Location: Germany, ivory tow
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No, AFAIK the iMac uses notebook RAM (SO-DIMM) for the customer serviceable RAM-slot. The "normal" desktop RAM might fit into the second RAM slot on the mainboard, but customers are not allowed to do so (warranty lost if done so).
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Macintosh Quadra 950, Powermac 6100, iBook dual USB, Powerbook 667 DVI, Powerbook 867 DVI, MacBook Pro early 2011
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Mac Enthusiast
Join Date: Jul 2001
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There is no way you'll get a regular DIMM into an SO-DIMM slot. That's why the "SO" is there- it stands for "Small Outline". You may be able to take the iMac apart and replace the internal memory module. I don't know how big it is though.
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Dedicated MacNNer
Join Date: Dec 2000
Location: Old Country
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the internal ram slot on the FP imac is PC-133 168 pin DIMM, the customer installable slot is a 144 pin PC-133 SO-DIMM.
so, short answer is yes, but you will need to clean the heatsink contacs and put thermal paste.
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Mac Elite
Join Date: May 2002
Location: Germany, ivory tow
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Guide for "internal slot" is here
Pat
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Macintosh Quadra 950, Powermac 6100, iBook dual USB, Powerbook 667 DVI, Powerbook 867 DVI, MacBook Pro early 2011
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Fresh-Faced Recruit
Join Date: Aug 2002
Location: Fort Wayne, IN
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In addition to the guide euphras pointed out, I have several precautions/tips regarding opening/closing up a flatpanel iMac. Make sure you completely clean off the heatsink connectors before applying a new coat. Depending on your model there may be one or two places where the paste needs to be applied, so take note. I add RAM to the internal for customers a lot, and out of habit i guess, i make sure to put a good (yet moderate) layer of paste on both sides completely covering the metal to assure a good transfer. Last and most importantly, make sure to tighten the 4 torx-10 screws holding the base of your iMac to at least 17 ft-lbs or you risk your processor overheating. How much is 17 ft-lbs? A lot, we have a torx driver set at the correct torque rating to assure we are on par. I'm not quite sure the specific paste that we get from Apple with every iMac service part, but I do know we have a ton of little squeeze packs left over if anyone wants one! Good Luck...
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Junior Member
Join Date: May 2003
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Originally posted by macman247:
In addition to the guide euphras pointed out, I have several precautions/tips regarding opening/closing up a flatpanel iMac. Make sure you completely clean off the heatsink connectors before applying a new coat. Depending on your model there may be one or two places where the paste needs to be applied, so take note. I add RAM to the internal for customers a lot, and out of habit i guess, i make sure to put a good (yet moderate) layer of paste on both sides completely covering the metal to assure a good transfer. Last and most importantly, make sure to tighten the 4 torx-10 screws holding the base of your iMac to at least 17 ft-lbs or you risk your processor overheating. How much is 17 ft-lbs? A lot, we have a torx driver set at the correct torque rating to assure we are on par. I'm not quite sure the specific paste that we get from Apple with every iMac service part, but I do know we have a ton of little squeeze packs left over if anyone wants one! Good Luck...
I just want to say this post is probably one of the most imformative I've seen in a while. lot's of good info and techniques.
This is what these forums are all about.
: 
cheers,
brian
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Mac Elite
Join Date: Oct 2002
Location: Sydney, Australia
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Cripes! I Think I'll just tell my brother to buy his own RAM, instead of 'borrowing' mine! I have a maxxed out G4, he has the flat panel iMac. Paste? I'm not smearing paste on no Mac, I am way too clumsy for that type of operation. I'd end up with an eyeful of it, no doubt... (and i bet it stings)
Thanks for your input though. Hope it is useful.
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e-gads
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Fresh-Faced Recruit
Join Date: Aug 2002
Location: Fort Wayne, IN
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I hope I didn't totally freak you out gadster! It's not as hard as it may seem, but then again, I've had some practice and I've been tearing things apart ever since I was little.
For the interested, I swiped a few packets of paste and here is what they read:
ADS THERMAL COMPOUNDS
1-888-NO CREEP
NON-SILICONE HTC.
AOS P/N: 52029KY
I think this is the first Macintosh that needs paste reapplied everytime it's opened. Some models of iMacs, PowerBooks, and iBooks have little thermal pads that are required to be replaced with certain parts (those are a lot easier and not messy). You may be able to get away without re-applying, I've never tried, and I wouldn't suggest it.
I can't say I've ever gotten it in my eye, but it tastes like burning! (sorry, I couldn't resist) I'm glad you guys appreciate my insight, anytime!
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