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-*can somebody help me with this problem,im using vista ultimate x64
with 4gb ram,512mb vga card,celeron d.my problem is why my directX only
recognise 3326mb while the windows and bios startup showing 4096mb(4gb)
plz anyone here tell me how to configure this problem
:cry:*-:cry::cry::cry::cry::cry::cry:
:cry::cry::cry::cry::cry::cry::cry:
--
tr3
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| | | | | On Mon, 30 Jun 2008 18:38:57 -0500, tr3
wrote:
All 32-bit versions of Windows (not just Vista) have a 4GB address
space. That's the theoretical upper limit beyond which you can not go.
But you can't use the entire 4GB of address space. Even though you
have a 4GB address space, you can only use *around* 3.1GB of RAM.
That's because some of that space is used by hardware and is not
available to the operating system and applications. The amount you can
use varies, depending on what hardware you have installed, but can
range from as little as 2GB to as much as 3.5GB. It's usually around
3.1GB.
Note that the hardware is using the address *space*, not the actual
RAM itself. The rest of the RAM goes unused because there is no
address space to map it too.
--
Ken Blake, Microsoft MVP - Windows Desktop Experience
Please Reply to the Newsgroup
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| | | | | Post in reply to: tr3
Spare everyone the emoticons.
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| | | | | Post in reply to: tr3
And you are showing that you are using the x64 version of Vista? It sounds
like it is the 32 bit limit that is causing it. It sounds about right with
it showing that much RAM.
--
Dustin Harper
dharper@vistarip.com
http://www.vistarip.com | Vista Resource & Information Page
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interface.
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i already download the vista x64 sp 1 its helpful but it still same
result that the directX cant recognise full of my 4gb ram,before i
download it the windows shows 3.5gb so now i think the directx is the
problem
--
tr3
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i think the problem is with the directX it self coz the windows is
showing full of my memory,so how do you have any suggestion or maybe the
microsofts me upgrade the DirectX
--
tr3
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| | | | | Post in reply to: tr3
Apparently DirectX wasn't updated with SP1 - mine also shows less than 4gb
memory installed also. Whatever it shows isn't going to impact system
performance or gaming performance, just as the "3gb versus 4gb" change from
Vista Gold to Vista SP1 doesn't make any difference. The computer accesses
the memory it can no matter what the display shows.
--
Richard G. Harper [MVP Shell/User] rgharper@gmail.com
* NEW! Catch my blog ... http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/
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| | | | | Post in reply to: tr3
Check the system info page (winkey + pause/break). If it shows "64-bit
operating system" next to System then you are probably right. If it does
not then you are probably seeing the correct amount available to Windows
regardless of the 4GB of ram shown by the BIOS during POST and showing on
the system info page.
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| | | | | Post in reply to: Richard G. Harper
The change with SP1 does not affect what you always have seen when you type
'winver' so it wouldn't change what DirectX shows either.
I am not running 32bit Vista on anything but I have heard that if you run
32bit Vista with 8GB in the box, 8GB shows in system information but winver
shows the same as it would on a machine with 4GB because that is all 32bit
Windows can address.
It is not clear to me that the SP1 change was useful after all.
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| | | | | Post in reply to: Colin Barnhorst
It wasn't useful at all - IMHO it was marketing plain and simple. People
were mad because they had 4gb, 6gb, etc. of memory and it "wasn't showing
up". Now it shows up but it still can't be used. 
--
Richard G. Harper [MVP Shell/User] rgharper@gmail.com
* NEW! Catch my blog ... http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/
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