New RAM problems with my Dual G4 1.25 MDD

Howdy I've had my Dual G4 1.25 MDD for 2 years and love it. I got it with 1GB RAM, thinking I was set. For Christmas I wanted to Upgrade the RAM to 2GB. from My PowerMac G4 Manual I knew I needed 2x 512MB PC2700 DDR333 CL2.5 SDRAM DIMM's.
I went to DealRam (part of DealMac) and found 18004memory.com The price seemed great $39 per stick. I ordered it and within a week got 2x 512MB DIMM's. Problem was it was the Wrong RAM spec. I tried that RAM in my Mac 30 different ways and Everytime the computer either wouldn't boot, or it would suffer Kernel Protection Faults. One time it did boot up but the RAM only recognized as 2x 256MB DIMM's. I called the company, got an RMA and returned the RAM, this time they sent me 2 replacement DIMM's.... for a POWERBOOK, SO-DIMM's. I returned it again and finally Got from them the
2x 512MB PC2700 DDR333 CL2.5 SDRAM DIMM's. They call it Hyperspeed RAM. Anywho, I powered down let the system cool over night and in the morning, popped it open, put the RAM in the 2 open slots DIMM2/J23 & DIMM3/J20. closed it back up and powered up. Everything was snappier, the boot was quicker and I checked About this Mac, it says 2GB. Apple System Profiler showed all 4 DIMM's and I thought everything was fine.
Computer ran great for hours, no issues. Everything seemed quicker. Computer went to sleep overnight, next day woke from sleep and Tried to use iTunes and during an extensive sort for Songs, the system Locked up. Nothing would work. Had to force restart. this time I tried to Run my favorite online Game, WoW and after it loaded and I started to play, within 5 mins the whole game locked up. The audio sound went into a sort of Loop, I couldnt force quit and had to force reboot. This happened several times. I finally decided to Run the Apple Hardware Test. The Quick test locked up after running 2mins. I let it sit for 1hr just in case it was still doing something and the progress bar and time never progressed. So i forced reboot, ran Test again this time as Extended test. at 8 min & 31 sec the test stopped and I got an Error Code, this time I wrote it down "2MEM/2/4: DIMM3/J20."
I guess that DIMM failed. I shutdown, popped open case, and removed DIMM3/J20 leaving the Original 1GB RAM and One of the 512MB Upgrades. I rstarted the Test again and Ran the Extended Test once more. It ran for 27mins & 24 secs and everything passed. So. 1.5GB is better than just 1GB. I powered down and powered back up to try and play WoW. Within 5 mins of loading game to play, everything locked up again.
So I took both of the new RAM out and left the Original 1GB RAM and ran Test everything was great no Errors. Rebooted, and went onto WoW again and was able to play for several hours. I quit game and shut down for night.
I have since Tried the 2x 512MB DIMM's in over 10 different variations in the computer with and without the original RAM and everytime I run a high end program or game (WoW, iTunes, and Photoshop), I get lock ups, crashes, and other screen weirdness.
I dont want to have to Return the Memory again. I am already out over $15 from s/h with RMA's.
PLEASE Any ideas what to do?
1 thing I noticed the RAM gets very very hot, when I've powered down tand removed the new RAM. I wonder if there is a cooling issue?
Anytime I put the Original 1GB RAM in, I dont have problems!

Hi lz3broc,
Sounds very much like faulty RAM to me, I'm afraid. I'm not sure about the temperature it's running at, but if the surrounding DIMMs aren't having a problem then I would definitely point the finger at those new memory sticks not being up to scratch.
If you were convinced it was temperature related then you could always try putting heat spreaders on the memory to help with cooling, but as these stick (semi-permanently) to the RAM then you would never be able to return them.
My personal opinion is that you should send the RAM back and buy two new DIMMs from Crucial Technology. I only ever buy RAM made by them and I've never had a problem with it - it's the same stuff Apple themselves generally use and works a charm every time. Probably not the news you wanted to hear, but that's probably the only way you're going to get a stable machine with 2GB RAM.
Hope that helps,
Andy.
PowerMac G4 Dual 1.50GHz Mac OS X (10.4.4) Liquid Cooled

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Rob Grant wrote:
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Signature:
HP TouchPad - 1.2 GHz; 1 GB memory; 32 GB storage; WebOS/CyanogenMod 11(Kit Kat)
HP 10 Plus; Android-Kit Kat; 1.0 GHz Allwinner A31 ARM Cortex A7 Quad Core Processor ; 2GB RAM Memory Long: 2 GB DDR3L SDRAM (1600MHz); 16GB disable eMMC 16GB v4.51
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++++++++++++++++++
**Click the Thumbs Up+ to say 'Thanks' and the 'Accept as Solution' if I have solved your problem.**
Intelligence is God given; Wisdom is the sum of our mistakes!
I am not an HP employee.

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New RAM problems with my Dual G4 1.25 MDD

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