🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.os.msdos.programmer
Article #5317

Re: Memory above 640K being redundant (or something like that)

#5317
From: Richard Hancock
Date: Mon, 18 Mar 1991 15:38
6 lines
652 bytes
Re: "reserved memory".

80286s upwards can address 1MB (1MB+64K-16 if address line A20 is enabled) of
memory in real mode. However, DOS apps can only easily use the first 640K.

Richard.
Technical Details
Message-ID: <37390005@hpopd.pwd.hp.com>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!hplabs!otter.hpl.hp.com!hpopd!richardh
References: <1991Mar13.231856.4307@Solbourne.COM>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!hplabs!otter.hpl.hp.com!hpopd!richardh
From: richardh@hpopd.pwd.hp.com (Richard Hancock)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Memory above 640K being redundant (or something like that)
Message-ID: <37390005@hpopd.pwd.hp.com>
Date: 18 Mar 91 15:38:44 GMT
References: <1991Mar13.231856.4307@Solbourne.COM>
Organization: The Vicuna Backlash
Lines: 6