SC Tom wrote:
>
> "DK" <(E-Mail Removed)> wrote in message
> news:HP4Wq.15425$(E-Mail Removed)...
>> I installed GeForce 210 into Asus M4N68T-M-V2.
>>
>> The label on a card very clearly indicates 512 Mb. However,
>> XP reports only 3 Gb memory out of 4 and both CPU-Z and
>> SIW ("System Information for Windows") report 1024 Mb
>> video memory.
>>
>> I have no use for anything above 512 Mb of video memory but
>> once in a while having more than 3 GB memory is useful for
>> a few things that I do. So I am trying to understand what's going
>> on and how it can be solved. I can't find anything in BIOS that
>> would relate to the video memory is concerned.
>>
>> Any ideas? Thanks,
>>
>> Dima
>>
>>
> You don't mention if you're running 32- or 64-bit WinXP, but if you have
> 32-bit, you're not going to show the whole 4GB anyhow. Generally, only
> 2.5 to 3.25GB will be shown, unless you have 64-bit Windows.
>
> Did you disable the on-board Nvidia 7025 in BIOS after installing the
> 210? That could be where the rest of 1024MB is coming from. (I have that
> same MB.)
Onchip VGA Frame Buffer Size. Can be adjusted down to 32MB but
apparently doesn't have zero as an option in the Asus manual.
Perhaps the real BIOS installed in the motherboard, has better
options, not documented in the manual ? Somehow, I doubt this is
causing the "1GB" report from DirectX though.
*******
What's interesting, is a Gigabyte board with 7025 Northbridge offers these options.
"Onchip VGA Frame Buffer Size" [Auto, Disable, 32M, 64M, 128M, 256M]
"Onboard GPU" [Enable if no Ext PEG, Always Enable]
and that is a *perfect* set of options, because it gives you everything
you could possible expect from 7025 IGP (including the ability to
turn it off). The Asus motherboard manual doesn't offer that nice
set of options. So Gigabyte did a better job in their BIOS design.
*******
The behavior seen doesn't bother me that much. I have a 512MB card, I have
4GB memory, a 32 bit OS, and I get "3GB available" RAM reported. And that
is the BIOS decision as to what cut off point to remap memory above 4GB
(where my 32 bit OS can't see it). But DirectX on my system reports
512MB as expected.
You can also use Device Manager (Start : Run : devmgmt.msc) , use
View : Resources By Type and use that to examine what the various
piece of hardware are using.
http://img403.imageshack.us/img403/1...gmtrestype.gif
Another way to check video resources, is with GPU-Z.
http://www.techpowerup.com/downloads/SysInfo/GPU-Z/
Paul