From: "Johnny Chan" To: Subject: RE: 4GB DPMI host Date: Tue, 26 Oct 1999 11:38:20 -0700 Message-ID: <000501bf1fe1$476d20a0$ae3d7a86@phoenix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: <3814f1f6.sandmann@clio.rice.edu> X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 Reply-To: djgpp AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk >>> 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