Tom's Hardware > Forum > Motherboards & Memory > Memory > Memory or mobo problem
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unknown386   01-07-2009 at 03:41:07 PM

I have the Asus p5k vm motherboard. I have installed 4 gb (2X2gb) ddr2 800mhz corsair. The problem is that at the post message it only shows 3.3gb.

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jsc   01-07-2009 at 03:53:58 PM
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Not this again.

Sigh.

Let me guess, you are running a 32 bit Windows operating system.

For a 32 bit operating system (XP or Vista), that is normal. Max address space for a 32 bit address is 4 GB. Windows does a lot of behind the scenes memory mapping. That's where your missing memory went.

Check your BIOS. It should indicate the full 4 GB's.

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unknown386   01-07-2009 at 03:59:25 PM
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I have vista 64. The problem is that the Bios recognizes only 3.3 gb
and when i installed extra 2 1gb sticks and bios indicated 5 gb.

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mford66215   01-07-2009 at 04:26:07 PM
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O.o - Look everyone, it's not the same frapping XP32 memory question!

Well, that changes a few things. First, it takes you out of the land of the noobs, congrats!

I'd say it's gotta be a bios setting somewhere, what else could it be? Shared memory with video? Something to do with the "Integrated Intel® Graphics Media Accelerator 3100 High-definition video processing with a maximum resolution of 2048 x 1536 bpp @75 Hz Maximum shared memory of 256 MB"?

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zipzoomflyhigh   01-09-2009 at 01:08:39 PM
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Since you havent listed your specs, how could we know what the problem is?

If you have integrated video on your motherboard, it shares your system memory. Of course if you had bothered to read your mobo manual you would already know that.

That puts you back in the land of the noobs.

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