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Vista memory limits and other 32 / 64 bit Questions

post #1 of 7
Thread Starter 
I hear that the 32 bit version of Vista can support 4GB of memory.

Is this true, or will I find that Windows only actually recognizes a fraction of that?

Also, what are people's general experience with 64bit Vista?

I think I am going to install 4 partitions onto my array:

Vista 32 bit
Vista 64 bit
XP Professional
Linux (Not sure which Distro)

Then I will fade out versions as I don't need them. For instance, if I find 64 bit Vista to work without a hitch (unlikely) I will remove 32 bit and XP Pro.
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post #2 of 7
From my experiance, I have both 32 and 64 bit. The only problems i've had with "both" is some basic media problems. Such as music and movies not forwarding properly or delaying. Gaming wise, I would not recommend you get it for DX9 gaming. I have an 8800GTX and 2GB of ram, I get that unusual lag in games. Other than that no problems over here. IF your new to linux, Install Ubuntu Feisty or Fedora 7.
    
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post #3 of 7
Quote:
In the absence of the /PAE switch, the Windows memory manager is limited to a 4 GB physical address space. Most of that address space is filled with RAM, but not all of it. Memory-mapped devices (such as your video card) will use some of that physical address space, as will the BIOS ROMs. After all the non-memory devices have had their say, there will be less than 4GB of address space available for RAM below the 4GB physical address boundary.
From what i can gather Vista 32bit can accept 4GB of RAM, however that is physical memory which is also been used by your video card and such. So it is unlikely that you will see all of your 4GB

Soucre
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post #4 of 7
All those rumours Paul... all 4 gigs will work on any OS as long as you have PAE (Physical Address Emulation) enabled on your motherboard. This will remap all access to the RAM to a place over 4 gigabytes, enabling all RAM available.

I need someone to confirm that 32-bit will recognise 8 gigs with this.
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post #5 of 7
I had a custom built computer made up for me in september (running XP) and it has 4Gb of RAM in it but only 3Gb was recognised in XP but in BIOS it was all there and the guy said that once I put Vista on it the full 4Gb would be recognised in windows but it still isnt. Can anyone help and do i need to insatall anything else?
post #6 of 7
I would go with vista x64 it is a little faster than vista x32.also it will get you ready for when 64bit software sartes to come out,there are already game that use 64bit so i would go with that.Also if you plane on doing a lot of video editing or HD video editing you can always get more ram and you will not be limited to 4gig.
    
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post #7 of 7
Cheers jonny.
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