G5 won't recognize new RAM

I bought two sticks of this RAM http://eshop.macsales.com/item/Other...g/3200DDR1024/ and put it in my Dual G5, following these instructions http://www.info.apple.com/usen/cip/pdf/g5/memory_c.pdf , but when I go to 'ABout this Mac,' it doesn't recognize that I've added RAM. I put the two sticks in slots 3 and 4 of the bottom half. I then tried putting the RAM into slots 3 on top and 3 on bottom, and then 4 on top and 4 on bottom....but it still won't recognize it. Did I do something wrong?

After reading your problem again, I believe we probably had the exact same thing. I have great news, though--my memory finally went down.
After reading the Crucial instructions (see my earlier post) I was more bold about the amount of force to use in pushing the sticks down, and I still couldn't get them down.
To check if the slots were in the wrong place, I ejected one of the original Apple sticks and compared the side of it to the side of the new sticks, and sure enough they were identical. At that point I decided to push even harder--it actually took an INSANE amount of force to get the sticks to click down--it was quite painful for my finger tips. If you guys have seen the instructional video on how to install memory on the OWC website, this was nothing like that. After sweating and applying a brutal amount of force, the sticks did finally pop down and the two side tabs clicked into place. When I booted the computer, the memory was there!
I would just caution you to make sure you're pushing straight down, because with that amount of force, pushing at any angle other than vertical would surely break the stick.
Good luck,
Ashwin

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G4 Quicksilver won't recognize new RAM

Hi
I found a similar thread through searching the archives, but figured I should start a new one. I have a 2002 Quicksilver G4 with 1GB RAM running OSX 10.4, that still runs surprisingly well (at least compared to my PC). I wanted to max the RAM out to 1.5GM and upgrade to Leopard, so I bought a 512MB DIMM from RamDirect. I installed it and it doesn't work. I tried various combinations in the slots, still no go. I even placed it in Slot 0 as the only RAM DIMM and the computer wouldn't boot. I have the latest updates to everything, as far as I know. Here are my system specs below - DIMM2 shows empty whether the new RAM is installed or not.
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DIMM0/J21:
Size: 512 MB
Type: SDRAM
Speed: PC133-333
Status: OK
DIMM1/J22:
Size: 512 MB
Type: SDRAM
Speed: PC133-333
Status: OK
DIMM2/J23:
Size: Empty
Type: Empty
Speed: Empty
Status: Empty
Machine Name: Power Mac G4
Machine Model: PowerMac3,5
CPU Type: PowerPC G4 (2.1)
Number Of CPUs: 2
CPU Speed: 1 GHz
L2 Cache (per CPU): 256 KB
L3 Cache (per CPU): 2 MB
Memory: 1 GB
Bus Speed: 133 MHz
Boot ROM Version: 4.3.3f2

OS X is "picky" about RAM quality, so you may have gotten some substandard RAM. Unless the RAM is totally defective, it will probably still operate in a PC.
Look at this link: *Testing RAM* @ http://guides.macrumors.com/Testing_RAM
Then download & use Memtest & Ramber.
One thing you might try. Get a soft rubber eraser & gently rub the RAM contacts, in the outside chance that there may be some contamination (from finger contact/handling).
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That Black Knight always wins!
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Message was edited by: fabiosko

fabiosko,
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Message was edited by: Samsara

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