Only part of ram working

Compaq / 3200+ amd anthlon
Can January 25, 2009 at 16:32:17
Specs: Windows XP, 1gb pc2700
Bios and show that I have 1gb of ram installed. (and i believe this aswell)

however control panel>system displays only 256 and the computer operates as if only 256 is in.

Only one stick of ram is in.

sidenote: I usually run with 1 1gb stick and 1 512mb stick and sometimes the full ram is recognized and sometimes it isn't.

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January 25, 2009 at 19:16:44
Onboard graphics? If so, how much RAM is allocated for the video?

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January 25, 2009 at 19:34:58
nope, and atm only 256mb are recognized in control panel>>system with either or both sticks in.

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January 26, 2009 at 05:00:25
Did you check your system specs for the total max capacity & the max capacity per slot? You may have exceeded the limit, either that or you bought RAM of the wrong density.

With an Athlon 3200+, regardless of whether it's an Athlon XP or Athlon 64, the correct RAM is PC3200 (DDR400), not PC2700 (DDR333). PC2700 will bottleneck the system.

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January 26, 2009 at 08:51:17
That could be it... It's just the info sticker on the front of the comp says it comes with pc2700 ram (which I added more of). And from a week to over a year ago it fuctioned that vast majority of the time.

I upgraded to Service pack 3 recently as well as a few other drivers. Could that have done it?

If what you say is true then that would mean the computer was sold to me faulty 2 years ago.

Also, crucial says 2700 is the compatible to Compaq Presario SR1230NX Desktop. Moreover the comp can handle up to 2gb (1gb each slot) of either 2700 or 3200.

I'm tempted to think your knowledge of the processor is better than compaq when they made this thing.

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January 26, 2009 at 10:16:05
I've seen plenty of HP/Compaq AMD systems with DDR333 & have wondered why. DDR400 is the correct RAM for optimal performance. Some of the newer AMD systems are coming with DDR2-667 when they should have DDR2-800, again I have to ask, why?

There's no problem running DDR333/PC2700, but the system won't perform up to it's potential.

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January 26, 2009 at 13:28:05
happened to have 2 512 pc3200 and put them in. Still only acting like 256 total.

Also, recently I kept getting this ati2dvag infinite loop error that gave me blue screen when the mouse loaded. So, I changed the cpu to agp controller to a pci standard pci to pci bridge in the device manager. It was some bandaid fix that I got here:

I'm starting to think it's connected...

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