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