PSE 36 Bit Memory access above 4GB in FlatMode

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sivaraman
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PSE 36 Bit Memory access above 4GB in FlatMode

Post by sivaraman »

Hi ,
I am trying to access the memory above 4 GB using IA32 PSE 36 bit Paging mechanism. I am doing this in MS DOS.

Can i do paging using Fat Mode? Any one have idea on this
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xsix
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Post by xsix »

no. you can only use paging in PROTECTED MODE, not in any other mode. Not in any tweaked mode
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sivaraman
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TINY Model in Protected Mode

Post by sivaraman »

Hi all,

Is it possible to switching between real mode & protected mode in Tiny Model. When i tried to do this system restarts. what is the cause of the problem.

Siva
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Combuster
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Post by Combuster »

with 99% probability: a reboot during protected mode = programming error.

Double-check your code, IDT, GDT, make sure interrupts are disabled, and read the Intel Manuals
"Certainly avoid yourself. He is a newbie and might not realize it. You'll hate his code deeply a few years down the road." - Sortie
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