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Mail Archives: djgpp/1999/10/26/15:02:12

From: "Johnny Chan" <jchan AT paclink DOT net>
To: <djgpp AT delorie DOT com>
Subject: RE: 4GB DPMI host
Date: Tue, 26 Oct 1999 11:38:20 -0700
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>>> I am looking for a 4GB DPMI host, no virtual memory is required.


>>CWSDPMI r5's WIP supports 2Gb physical memory (and has been 
>>tested with 1Gb)
>>but access to more than 512Mb at a time is somewhat slow due to page 
>>directory faults.  Making it support more than 2Gb requires moving the
>>bitmap to > 64K in size and is a mess.
>>
>>Is this for physical memory or for scanning the address 
>>space?  I'm thinking
>>about adding a hack for 4Mb pages which solves this problem - 
>>but it's 
>>probably not going to happen until February.

Is there any other DPMI host beside CWSDPMI which can provide
4GB support?
--jC

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