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From: CCVAX.ty%nosc@sri-unix.UUCP
Newsgroups: net.micro.cpm
Subject: Re:  BDOS secrets
Message-ID: <3702@sri-arpa.UUCP>
Date: Mon, 1-Aug-83 13:22:45 EDT
Article-I.D.: sri-arpa.3702
Posted: Mon Aug  1 13:22:45 1983
Date-Received: Thu, 4-Aug-83 08:32:11 EDT
Lines: 8

From:  Ty Wernet 

The first 6 bytes in the BDOS is the serial number.
The 4 address  you referred to follow:
	Permanent error subroutine  "Bad Sector"
	Select error subroutine	    "Select Error"
	Read-only Subroutine	    "R/O Bdos error on "
	Read-only error subroutine  "File R/O Bdos error on "