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4GB Ram and XP PRO SP2 (32bit) Problems

S

Sentry2

Senior member
I've been having some trouble getting windows to show all 4GB's of my ram. I know that some people are able to get 32bit XP Pro to see all 4GB's by enabling a memory hole option or something like it in the bios. As far as I know the Asus P5W DH doesn't have an option like that. Someone please correct me if I'm wrong. 🙂

Anyway when I first got my new rig set up windows saw 3.1GB's which seems to be pretty comman and OK with me. The other day I bought an X1900 CF to go along with my XTX. Now with both cards installed windows only shows 2GB's...lol Does anyone know what the hell is going on. I thought about buying XP Pro x64 but I think I'll wait for Vista instead. The bios shows all 4GB's. So basically I'm just wondering why I dropped another 1.1GB's just from installing the second X1900.

I'm sure XP Pro 64bit would fix my problem but I think I'll still wait for Vista.

Thanks for the help. 🙂
 
Umm by the time Vista is release, quantum and organic computing systems will be as mainstream as cell phones and iPods are today.












Vista is bad bad juju.
 
Originally posted by: AgentJean
Umm by the time Vista is release, quantum and organic computing systems will be as mainstream as cell phones and iPods are today.
Click to expand...

I doubt it 😉

 
Just curious, windows 32bit can only see 4g of ram total right?

So doesn't the pagefile count in that too? Maybe that's where some of it is going?
 
Originally posted by: dBTelos
Originally posted by: AgentJean
Umm by the time Vista is release, quantum and organic computing systems will be as mainstream as cell phones and iPods are today.
Click to expand...

I doubt it 😉
Click to expand...

Yeah, your right.















Humans will have evolved into Vorlon-like beings by the time Vista is a final release.
Which is about the same time PS3 will hit the markets.
 
I've been having some trouble getting windows to show all 4GB's of my ram. I know that some people are able to get 32bit XP Pro to see all 4GB's by enabling a memory hole option or something like it in the bios. As far as I know the Asus P5W DH doesn't have an option like that. Someone please correct me if I'm wrong
Click to expand...

Yes you need to find out if your motherboard supports remapping the PCI resources above the 4G mark, but for that to work you'll also need to enable PAE. But since XP only supports 4G of memory that might not work anyway. If that doesn't work you're only real solution is to get XP64 or Win2K3 Server.

Anyway when I first got my new rig set up windows saw 3.1GB's which seems to be pretty comman and OK with me. The other day I bought an X1900 CF to go along with my XTX. Now with both cards installed windows only shows 2GB's...lol Does anyone know what the hell is going on. I thought about buying XP Pro x64 but I think I'll wait for Vista instead. The bios shows all 4GB's. So basically I'm just wondering why I dropped another 1.1GB's just from installing the second X1900.
Click to expand...

You added more cards so more PCI resources were needed so the addresses were stolen from memory and allocated to the devices, if that hadn't happened you wouldn't be able to use the cards and which would you rather worked?

Just curious, windows 32bit can only see 4g of ram total right?
Click to expand...

Yes, MS limited it to 4G physical memory for some reason.

So doesn't the pagefile count in that too? Maybe that's where some of it is going?
Click to expand...

Not at all, the pagefile is completely seperate from physical and virtual memory addressing and any limitations MS has imposed. There are some odd limitations with pagefiles themselves like only being able to be 4G in size but all that affects is your disk space.
 
Windows (even 32bit) should technically be able to see all 4gigs of ram just only access 3gigs at a time (ONLY 3gigs??? lol)
Not sure whats going on.
 
Originally posted by: mulletgut
may i ask what you are going to do when NASA wants their machine back to launch another shuttle?
Click to expand...

I thought a TI-83 calculator has more power than what NASA uses to launch their shuttles and probes
 
Originally posted by: Nothinman
I've been having some trouble getting windows to show all 4GB's of my ram. I know that some people are able to get 32bit XP Pro to see all 4GB's by enabling a memory hole option or something like it in the bios. As far as I know the Asus P5W DH doesn't have an option like that. Someone please correct me if I'm wrong
Click to expand...

Yes you need to find out if your motherboard supports remapping the PCI resources above the 4G mark, but for that to work you'll also need to enable PAE. But since XP only supports 4G of memory that might not work anyway. If that doesn't work you're only real solution is to get XP64 or Win2K3 Server.

Anyway when I first got my new rig set up windows saw 3.1GB's which seems to be pretty comman and OK with me. The other day I bought an X1900 CF to go along with my XTX. Now with both cards installed windows only shows 2GB's...lol Does anyone know what the hell is going on. I thought about buying XP Pro x64 but I think I'll wait for Vista instead. The bios shows all 4GB's. So basically I'm just wondering why I dropped another 1.1GB's just from installing the second X1900.
Click to expand...

You added more cards so more PCI resources were needed so the addresses were stolen from memory and allocated to the devices, if that hadn't happened you wouldn't be able to use the cards and which would you rather worked?

Just curious, windows 32bit can only see 4g of ram total right?
Click to expand...

Yes, MS limited it to 4G physical memory for some reason.

So doesn't the pagefile count in that too? Maybe that's where some of it is going?
Click to expand...

Not at all, the pagefile is completely seperate from physical and virtual memory addressing and any limitations MS has imposed. There are some odd limitations with pagefiles themselves like only being able to be 4G in size but all that affects is your disk space.
Click to expand...

Microsoft didn't limit it to 4gb. That is a physical limitation of a 32 bit operating system.
2^32 = 4,294,967,296. This is the maximum amount of memory that 32bit Windows can address. Then they use some of that for other stuff and you end up with less.
 
Microsoft didn't limit it to 4gb. That is a physical limitation of a 32 bit operating system.
2^32 = 4,294,967,296. This is the maximum amount of memory that 32bit Windows can address. Then they use some of that for other stuff and you end up with less.
Click to expand...

No, they did add the limitation. Their server OSes use PAE to get past the 4G mark, it's slower than normal access but it works and uses 36-bits (IIRC) for addressing.
 
well thats not exactly adding a limitation. they added a bandaid to their server os is what they did.
Click to expand...

No, the bandaid was added by Intel and MS implemented it to allow their software to use the hardware available. MS added an arbitrary limitation to the 'Pro' version of their software so that you would have to buy the 'Server' edition to use the hardware, just like Pro is limited to 2 CPUs but Server does 4.
 
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