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Accessing 3GB to 8GB RAM in WinXP 32-bit

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Sorry for asking this, I've been reading the forum and FAQ but there is no clear answer.

 

I have a 32-bit XP with sp3, on a system with 8GB RAM (64-bit capable CPU).

 

PAE is forced enabled, and installed imdisk (and verified the awealloc service is running).  Using IMdiskTK.

 

No matter how big or how small the ramdisk is enabled, it takes up the actual working memory under 2.7GB (that how much my windows can see the RAM).

 

In the event log, it complained about AWE cannot allocate 8GB, 6GB, ..... which were mentioned in other posts within this forum.

 

Just so before I give up the fight, I just want to confirm a few things:

* XP 32-bit, even with PAE, can access no more than 4GB RAM (despite I have 8 on the system)?

 

* even in this case, is there a reason why awealloc cannot allocate even the smallest RAM disk outside of the usable RAM, as I would like to take advantage of the unusable RAM.  I must run XP due to drivers for several hardware.

 

Any other things I can try?   I've also tested Gavotte RAMdisk and got the same result in eventlog.

 

Thanks in advance.


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