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Windows 7: Upgrading Bios

02 Nov 2009   #1
FyrmnJ

Dual Booting Windows Vista32 bit And Windows 7 Home premium (x64) (build 7600)
 
 
Upgrading Bios

I am also not able to utilize all of my 4GB of memory (can see only 3GB) using my Asus P5B premium motherboard on my 64bit operating system. At the Asus web site there is a bios upgrade that corrects a problem as stated in the next sentence below.
"P5B Premium BIOS 1201
1. Fix CPU VID cannot be adjusted when using certain CPU"

Is it POSSIBLE that this bios upgrade (Fix CPU VID) MIGHT correct that problem? I'm reluctent to flash my bios but if flashing the bios MIGHT correct the problem its worth a try.

FyrmnJ


My System SpecsSystem Spec
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02 Nov 2009   #2
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

I flashed my Asrock bios a couple of times. They provide a very easy way to do it from within Vista/7.

Not sure about Asus - imagine it is the same.
My System SpecsSystem Spec
02 Nov 2009   #3
Snufffed

 

There is a patch to allow X86 to use the FULL 4GB. It might work for your system. But If ASUS has a BIOS Patch to allow the FULL 4GB then I would recommend the BIOS UPGRADE.
My System SpecsSystem Spec
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02 Nov 2009   #4
bobkn

Windows 7 Pro X64 SP1
 
 

Quote   Quote: Originally Posted by FyrmnJ View Post
I am also not able to utilize all of my 4GB of memory (can see only 3GB) using my Asus P5B premium motherboard on my 64bit operating system. At the Asus web site there is a bios upgrade that corrects a problem as stated in the next sentence below.
"P5B Premium BIOS 1201
1. Fix CPU VID cannot be adjusted when using certain CPU"

Is it POSSIBLE that this bios upgrade (Fix CPU VID) MIGHT correct that problem? I'm reluctent to flash my bios but if flashing the bios MIGHT correct the problem its worth a try.

FyrmnJ
Strikes me as farfetched. VID is "voltage information digital", which is used to supply the proper core voltage to a specific CPU. I doubt that it would affect the amount of RAM detected, even if you had one of the CPUs which gave a VID error.

When you say that it "can only see 3GB", can you be more specific? For example, in the Windows Task Manager, on the Performance tab, the correct physical RAM in my system is reported (Win7 X64 Home Premium). Less is listed as available, and even less as free.

You can launch the WIndows Memory Diagnostic Tool from Windows Help & Support (a reboot is required). That may tell you whether you have any hardware problems.

Should you decide to update the BIOS anyway, I suggest that you do it using the Asus EZFlash 2 utility. I prefer not to flash the BIOS from Windows, and EZFlash doesn't require a floppy.
My System SpecsSystem Spec
03 Nov 2009   #5
whest

XP, Vista, W7 64bit Home Premium
 
 

I use the windows flash (Asus Update), and think its easy - use to use the floppy. Would definitely try the latest bios, as they only list the major fix, and what have you got too loose. I have a P5E running bios 1201, and works perfect, but couldnt guarantee it will fix the memory problem. Also the latest bios includes all the previous fixes.
My System SpecsSystem Spec
03 Nov 2009   #6
nate42nd

Windows 7 Professional x64
 
 

I posted a video on YouTube about flashing your BIOS if it would help to watch it.

I was looking for something similar and could not find it so I videoed myself flashing.

It's a Gigabyte board but it's probably about the same with Asus boards if they provide a way to flash with a USB drive.

If you want to watch it just search "flash BIOS" or "Flash Gigabyte BIOS" and it will come up. I like learning visually. Good luck!
My System SpecsSystem Spec
03 Nov 2009   #7
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Have you checked:

Start button, type 'msconfig' hit enter, Boot tab - advanced Options,

Is the 'Maximum memory' box checked?

Un-check the box, click 'OK' , in the System Configuration window click Apply.
My System SpecsSystem Spec
03 Nov 2009   #8
whest

XP, Vista, W7 64bit Home Premium
 
 

Go into your bios - advanced - chipset - memory remap feature - and enable it.

Memory Remap Feature Dilemma. - Overclock.net - Overclocking.net
My System SpecsSystem Spec
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 Upgrading Bios




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