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Bizarre problem when adding DDR PC2700 Memory


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#1
JeffM

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Hi,

I am upgrading the RAM in someone's PC made circa 2004.

It already has 256MB of DDR PC2700 RAM (the original amount).

There are three slots total.

According to crucial.com, they do not have to be matching pairs.

When I took the 256MB out and put in three sticks of 512MB DDR PC2700 RAM, the machine would freeze up after a few minutes.

I could boot into Windows, but the mouse pointer would freeze and I'd have to hold in the power button in order to reboot.

A couple times, I got a blue screen of death saying the problem could be recently installed hardware, so I opened the machine back up and made sure all sticks of memory were snapped into place properly, which they were.

So, I put the original 256MB back in its original position and tried adding just two sticks of 512MB.

Same problem.

Is the motherboard maybe not powerful enough to handle more than 256 or 512?

If anyone has any idea of what might be causing this and how I can remedy it, so I can get 1.5GB of RAM installed on this machine, would be most grateful for your help.

Crucial is saying the max memory for the machine is 3GB, but maybe they're just basing this on the fact it is three slots.

Crucial said it can't determine the manufacturer, model, etc. since it's a homemade PC.

Thanks again so much for any direction!

Jeff
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#2
Spyderturbo007

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If you download and run System Information Works, we can get a much better handle on what brand / model motherboard is installed. It will also tell you how much RAM your system can support.
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#3
JeffM

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Please close. Issue resolved.

Edited by JeffM, 27 January 2010 - 08:52 AM.

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#4
Spyderturbo007

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Would you be able to post the resolution to your problem? It will help other users in the future with the same problem.
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#5
JeffM

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Would you be able to post the resolution to your problem? It will help other users in the future with the same problem.

Sorry for the long absence. I believe the problem is that the motherboard only likes DDR 400 and not DDR 333, even though the PDF manual for the motherboard says it will take either.

I have not gotten the chance to try the 400 out yet, though, as the people whose PC I'm installing it in are still on vacation. However, a guy I know who's been in IT all his life said he looked up the info I sent him online and said it requires DDR 400. All this time I had only been trying 333. So if it works, I'll post back and let you know.

BTW, does anyone know the member here who's signature had a bunch of helpful downloads? There's this thing I'm trying to remember, which breaks down and shows you where your HD is going, something like spaceman.exe? If you can link me to that helper here, that would be greatly appreciated.

Thanks for all the great work you guys do here.

Jeff

Edited by JeffM, 20 February 2010 - 08:47 PM.

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