Re: [OM] question for Doctor Monitor, if he exists

[Chuck Norcutt]

But with PAE the 32 bit addressing limit is circumvented by bank switching.

Chuck Norcutt

Mike Lazzari wrote:
>> In fact, I don't even understand if the 3GB that is reported is a system 
>> wide limit or an application limit. 
> The 3gb limit is the 32bit limit of the OS. Do the math and you come up 
> with something north of 3gb, maybe 3.5gb. Applications can use what's 
> left over after system overhead. In practice I don't think the boot.ini 
> switch will give you 3.5gb. I am showing 3.2gb. This is why I'm 
> skeptical that a RAMdisk is practical with a 32bit system but I haven't 
> tried it either. Windows is pretty good at memory management these days. 
> If you want more RAM than that go to a 64bit OS and the theoretical 
> limit is in the Tb range I think.  One could set up a RAMdisk and still 
> leave plenty for the OS. Better yet just get a small SSD for the scratch 
> file (and Win7).
> 
> In my old 8086 DOS used an upper memory block to page data out to a 
> physically huge RAMbank which was installed in a MB slot. This was very 
> useful in the days when programs ran from 5" floppies. I could load the 
> entire program on the RAMdisk and skip the floppy disk except for data 
> backup. Everything on the RAMbank vanished when the power went off.
> 
> Mike
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