Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!sun-barr!newstop!sun!amdcad!brahms!indra
From: indra@brahms.amd.com (Indra Singhal)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: WANTED: Low Level HD Formatter
Message-ID: <1991Jan30.183737.16415@amd.com>
Date: 30 Jan 91 18:37:37 GMT
References: <gbd77X200Voz4H8kcz@andrew.cmu.edu> <1991Jan29.180600.28788@unipalm.uucp>
Sender: usenet@amd.com (NNTP Posting)
Organization: Advanced Micro Devices, Inc.
Lines: 21

ian@unipalm.uucp (Ian Phillipps) writes:

>Your disk controller may very well have the formatting program in its ROM.
>Often this has a starting address of XXXX:5, where the rom starts at segment
>XXXX.  You will need to know the correct drive parameters (e.g. no. of
>tracks, whether pre-compensation is needed) before you do this.

>To start the program, type
>	DEBUG
>then
>	G=XXXX:5 (where you've found XXXX by hunting round the memory)

The two most typical values for XXXX are: C800 or CC00. Give that a try.

Good Luck. Do you know what controller you have?


--
iNDRA | indra@amd.com or {ames apple uunet}!amd!indra
      | (Indra Singhal) (408) 749-5445; Advanced Micro Devices
      | MS 167; Box 3453; 901, Thompson Pl., Sunnyvale, CA 94088