Path: utzoo!attcan!uunet!tektronix!tekcrl!tekgvs!keithe
From: keithe@tekgvs.TEK.COM (Keith Ericson)
Newsgroups: comp.sys.ibm.pc
Subject: Re: AT ROM--drive type table entries
Keywords: AT, HardDisk, ROM, BIOS, SETUP
Message-ID: <3434@tekgvs.TEK.COM>
Date: 12 May 88 18:26:19 GMT
References: <423@upvax.UUCP> <3400@tekgvs.TEK.COM> <21377@amdcad.AMD.COM>
Reply-To: keithe@tekgvs.UUCP (Keith Ericson)
Distribution: na
Organization: Tektronix, Inc., Beaverton,  OR.
Lines: 18

In article <21377@amdcad.AMD.COM> phil@amdcad.UUCP (Phil Ngai) writes:
>In article <3400@tekgvs.TEK.COM> keithe@tekgvs.UUCP (Keith Ericson) writes:
>>I've just started playing with modifying the BIOS ROM (copying it to a
>
>Keith,
>
>How did you find the disk type table? Did you just look through
>memory til you found something that looked right?

I cheated - a co-worker had already found it. In all the machines
I've used it can be investigated by using debug to dump beginning at
F000:E400.

Another co-worker has written a simple program to dump out the table in
human-readable form. I submitted it to the binaries group a while back,
including source. It's called drvtypes.

keith