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From: cjdb@sphinx.uchicago.edu (Charles Blair)
Newsgroups: comp.sys.ibm.pc
Subject: BIOS question
Message-ID: <2265@sphinx.uchicago.edu>
Date: Tue, 8-Sep-87 15:07:51 EDT
Article-I.D.: sphinx.2265
Posted: Tue Sep  8 15:07:51 1987
Date-Received: Wed, 9-Sep-87 06:21:11 EDT
Organization: The University of Chicago
Lines: 14

I'm curious if the byte at F000:FFFF is meaningful in the PC BIOS. I
notice that on some BIOS'es dated 10/27/82 this byte is "w" while on
others it's "x." A particular hardware configuration will work with
one group of machines but not with the other. Does this byte signify
minor changes to the BIOS?

The information seems not to be in Norton's Programmer's Guide.



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