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From: johnl@ima.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: ROM BIOS
Message-ID: <-56300@ima.UUCP>
Date: Wed, 27-May-87 11:26:00 EDT
Article-I.D.: ima.-56300
Posted: Wed May 27 11:26:00 1987
Date-Received: Wed, 10-Jun-87 06:19:10 EDT
References: <1040@rayssd.RAY.COM>
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Nf-ID: #R:rayssd.RAY.COM:-104000:ima.UUCP:-56300:37777777600:605
Nf-From: ima.UUCP!johnl    May 27 10:26:00 1987


In article <1040@rayssd.RAY.COM> wjr@rayssd.RAY.COM (Bill) writes:
>	Is there a way to read your ROM BIOS without removing the device(s)
>from the motherboard? Any information would be helpful!

The ROM BIOS is a ROM, not surprisingly.  It's in the PC's address space
at addresses starting at F000:0.  Look at it with debug.

For the IBM PC, XT, and AT, the Technical Reference manuals all include
assembler listings of the BIOS.
-- 
John R. Levine, Javelin Software Corp., Cambridge MA +1 617 494 1400
{ ihnp4 | decvax | cbosgd | harvard | yale }!ima!johnl, Levine@YALE.something
U.S. out of New Mexico!