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Old 01-03-2011, 08:42 PM   #1
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Default ASUS A8V-VM 3GB usable of 4GB motherboard

hi, I have an A8V-VM motherboard and I stuck 4GBs in it (4x1GB). In the BIOS->System information it says 4096 installed but only 3072mb usable. I presume that this motherboard supports a 64 bit memory mapper, to allow 4GB, so how do I enable it. A trick traul through the BIOS menus doesn't hint at any such functionality?

Any hints?
Thanks
Thomas
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Old 01-03-2011, 09:38 PM   #2
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Default Re: ASUS A8V-VM 3GB usable of 4GB motherboard

you need a 64bit operating system.
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Old 01-04-2011, 12:22 AM   #3
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Default Re: ASUS A8V-VM 3GB usable of 4GB motherboard

I know I need a 64bit OS :P and I'm using one on the machine. Like the BIOS menus, the OS detects 3 GB. I'm interested in utilizing the full 4GB of RAM.
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1: Q6700 @ stock 3GHz 775 6GB-DDR800 ASROCK penryn 1600SLI, 1GB ATI RAEDON 5770 ~ 3TB internal;
2: 3.2Ghz Phenom 9550 Black ed 4GB-DDR3, ASUS skt AM3, HD 4850 512MB
3: Core i7 3.2GHz, 6GB DDR3, 512MB EN8800GT, 1TB Internal
4: Athlon 4000+ skt 939 6600GT 3GB
5: P4 3.4GHz, 3GB-DDR, ASUS skt 775, ATI RAEDON 9550
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Old 01-04-2011, 01:33 AM   #4
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Default Re: ASUS A8V-VM 3GB usable of 4GB motherboard

Test your modules. Either that, or one is inserted incorrectly. I actually ran into a problem similar to this with my work PC - I installed 6 GB and it was only showing 4GB in the OS, but the BIOS was showing the full 6. Turns out the specifications signal from the DIMM was working, but something else on the module wasn't. Sent the stick back to the manufacturer and got a replacement, voila. All 6GB were visible again.
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Old 01-04-2011, 05:44 AM   #5
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Default Re: ASUS A8V-VM 3GB usable of 4GB motherboard

Quote:
Originally Posted by thomas49th View Post
I know I need a 64bit OS :P and I'm using one on the machine. Like the BIOS menus, the OS detects 3 GB. I'm interested in utilizing the full 4GB of RAM.
you didn't state you had one..
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