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Old 01-13-2007, 09:30 AM
Garon Garon is offline
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Default (680i)NF68 AR+Twin2x2048 6400,

I have a problem where 1.75gb of 2.0gb only show in windows on my test build(bios show full 2.0gb). I also tried installing 4.0gb total and still show 1.75gb, and I know about the limitation with windows when installing 4.0gb+. So how could I have the full 2.0gb memory show in windows when 2.0gb are installed?

Although in my old system which was a p5n32 SLI Deluxe it would show 2.75gb of 4.0gb and I was fine with that.

680i NF68 p23Bios
e6700 Core2Duo
XMS2 Twin2x2048 6400(testbuild 2.0gb installed)5-5-5-18-2t 1.9v
7950gx2 (x2)Evga

Thanks in advance!

Last edited by Garon; 01-13-2007 at 09:33 AM.
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Old 01-13-2007, 03:13 PM
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Yellowbeard Yellowbeard is offline
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I would suggest running Memtest on all your DIMMs individually. Also, will your MOBO boot with a single DIMM in any 4 of the RAM slots (check the manual, I don't know if it will or not). If so, boot in all 4 slots with a single DIMM to see if you have a bad RAM slot.
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Old 01-13-2007, 04:38 PM
Garon Garon is offline
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Well in the Bios it shows the full 2.0gbs, even so would it still be a ram slot malfunctioning?
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Old 01-16-2007, 06:48 PM
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RAM GUY RAM GUY is offline
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How much memory is on your Video cards?
And was this a fresh install of the O.S. on this MB or was it a carry over install from another system?
Support accounts and tickets can be created at
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