"Glenn McCorkle" <[EMAIL PROTECTED]> wrote: On Mon, 4 Sep 2000 16:07:49 -0400, Roger Turk wrote: > Clarence Verge wrote: >>> Or Botton wrote: >> What do NT and Linux do to skip over the 640k limitation in Intel >> hardware? > I have no idea what NT might do, but I'll bet Linux re-maps the memory. > - - Clarence Verge<< > From what I understand, the 640K limitation is *not* a hardware limitation, > but BG's limitation, i.e., an MSDOS limitation. BG put the limitation in by > loading device/video drivers, ROM BIOS, etc., in the top 284K of addressable > memory, whether or not the bottom 640K was fully populated. CP/M, IIRC, did > not have this limitation. The memory addresses above 640K that are not used > by MSDOS are available for use by users, viz., loading high, EMS paging, etc. > If NT is compatible with MSDOS, I would doubt that it has contiguous memory > and makes use of protected mode. However, I would suspect that Linux and > other flavors of Unix do use contiguous memory. OK folks, I guess we could all use a refresher coarse. ;-) <VBG> (this is the exact original message renamed from .mes to .txt) http://www.angelfire.com/id/glenndoom/memory.txt ---(clipped from the original message headers)--- > From: [EMAIL PROTECTED] > Date: Thu, 27 May 99 03:06:00 GMT > To: [EMAIL PROTECTED] _________________________________________________ Glenn McCorkle [EMAIL PROTECTED] North Jackson, Ohio, USA DOS prog. for QV cameras http://www.angelfire.com/id/glenndoom/qvplay.html Other stuff http:[EMAIL PROTECTED]/ -- Arachne, The Web Browser for DOS Open the 'DOOR' to the WWW. Keep the 'windows' closed. Download Arachne for DOS http://browser.arachne.cz/dos/ Visit the Arachne home page http://arachne.cz/ Jeez, Glenn, I can't believe you still HAVE that! I just went and had a look - Yep, just like I wrote it, warts (typos) and all ... I suppose I should clean it up sometime. Do you have the post I did on identifying what the bus type was by looking at the card-edge connectors? The one with all the ASCII-art 'drawing' of the cards? Later, Dave ____________________________________________________________________ Get free email and a permanent address at http://www.amexmail.com/?A=1
