Path: utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!uunet!bonnie.concordia.ca!ccu.umanitoba.ca!herald.usask.ca!alberta!aunro!ersys!davem From: ersys!davem@nro.cs.athabascau.ca (Dave McCrady) Newsgroups: comp.os.msdos.misc Subject: Re: Question: only 639K available to DOS? Message-ID: Date: 16 Feb 91 19:21:03 GMT References: <15894.27bbb58b@levels.sait.edu.au> Organization: Edmonton Remote Systems, Edmonton, AB, Canada Lines: 24 xaandrews@levels.sait.edu.au writes: > Gudday, > > Anybody come across the problem of only having 639K available to DOS? > The DOS MEM command reports only 654 366 bytes available instead of 655 360. > > My machine is an IBM AT compatible '386 with 640K conventional > memory (supposedly) and 2048K extended. It has a Phoenix 80386 ROM BIOS PLUS, > Version 1.10 03. It runs MS-DOS 4.01 operating system. > > Any info would be appreciated. > > David Hichens. > ============== Some BIOSes grab the top 1K for use as stack space or some such. This is usually configurable with its SETUP. Dave McCrady | ersys!davem@nro.cs.athabascau.ca +1 403-454-4054 (voice) | Disclaimer? Who needs a disclaimer? +1 403-454-6093 (public USENET) | I >own< the joint.