MB doesn't detect all 4GB of RAM

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MB doesn't detect all 4GB of RAM

Original Message

Name: grammar
Date: September 22, 2007 at 23:03:55 Pacific
Subject: MB doesn't detect all 4GB of RAM
OS: Vista 64
CPU/Ram: Athlon FX-60/4.0GB
Model/Manufacturer: Homebuilt

Comment:

I have just upgraded my memory to 4GB, and my motherboard isn't detecting all of it. Both the BIOS and Windows only report 3119MB of memory. In fact, CPU-Z is the only program that detects the full 4GB. My motherboard does support 4GB of memory.
System information:
CPU: Athlon 64 FX-60 Dual-Core Processor, overclocked to 3.0GHz
MB: Asus Socket 939 A8R-MVP
RAM: 4GB (4x1024) OCZ EL Platinum 2-3-2-5 Dual Channel PC3200
OS: 64-bit Windows Vista Home Premium.
Any guesses?

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Response Number 1

Name: clive_pearce
Date: September 23, 2007 at 02:32:58 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

After googleing, I found this
http://www.overclock.net/intel-moth...
If it works post back to help others.
Before posting try google. Backup. Use anti virus software.

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Response Number 2

Name: clive_pearce
Date: September 23, 2007 at 02:37:55 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

I then found this http://support.microsoft.com/kb/929605
Before posting try google. Backup. Use anti virus software.

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Response Number 3

Name: grammar
Date: September 23, 2007 at 08:43:23 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

Enabling the memory remapping feature in the BIOS actually makes it worse--it then only recognizes 2GB!
It is not an OS issue, because both the BIOS and Memtest86 detect only 3119MB. I have already tested each module individually, and found no problems.

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Response Number 4

Name: aegis
Date: September 23, 2007 at 12:46:43 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

Try each memory stick alone to make sure the bios recognizes it fully.

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Response Number 5

Name: grammar
Date: September 23, 2007 at 14:53:26 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

I've already tested each module individually and found no problems.

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Response Number 6

Name: grammar
Date: September 23, 2007 at 21:18:44 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

Nevermind! A geek came over and managed to solve it. :P

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Response Number 7

Name: XpUser
Date: September 24, 2007 at 03:27:06 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

Would you mind telling us what the geek did so that other can learn from it?
i_Xp/VistaUser

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Response Number 8

Name: dbinder
Date: October 15, 2007 at 01:18:30 Pacific
Subject: MB doesn't detect all 4GB of RAM

Reply: (edit)

Hello Grammar !
Could you please post the solution you have found? I have the same issue here !
Tks.
DBinder

_______________
DBinder

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