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Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!wuarchive!decwrl!elroy.jpl.nasa.gov!jato!mars!kaleb
From: kaleb@mars.jpl.nasa.gov (Kaleb Keithley)
Newsgroups: comp.sys.ibm.pc.programmer,alt.msdos.programmer
Subject: Re: How to check which memory locs. are really occupied by BIOS?
Keywords: check occupied memory locations after bootup
Message-ID: <2915@jato.Jpl.Nasa.Gov>
Date: 23 Feb 90 16:37:39 GMT
References: <300@ipsi.UUCP>
Sender: news@jato.Jpl.Nasa.Gov
Reply-To: kaleb@mars.UUCP (Kaleb Keithley)
Organization: Jet Propulsion Laboratory, Pasadena, CA.
Lines: 13

In article <300@ipsi.UUCP> schulz@ipsi.UUCP (Guenther F. Schulz) writes:
>does anybody happen to know a method how to make sure which
>memory areas are really occupied by bios routines (machine
>bios, video bios, div. controller bios...) AFTER BOOTUP?

Check the myriad DOS Technical References, Microsoft has defined that BIOS
routines start at specific addresses, and have special signature bytes.
All you should have to do is read through memory looking for signature bytes.

Chewey, get us outta here!
                 
kaleb@mars.jpl.nasa.gov            Jet Propeller Labs
Kaleb Keithley