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From: ritchie@hplsdla.HP.COM (Dave Ritchie)
Newsgroups: comp.os.minix
Subject: Re: xt hard disk driver
Message-ID: <5890003@hplsdla.HP.COM>
Date: Sun, 30-Aug-87 20:42:57 EDT
Article-I.D.: hplsdla.5890003
Posted: Sun Aug 30 20:42:57 1987
Date-Received: Thu, 10-Sep-87 00:35:50 EDT
References: <1288@cognos.UUCP>
Organization: Hewlett-Packard, Colorado Springs
Lines: 20

>/ allbery@ncoast.UUCP (Brandon Allbery) writes: 
>As quoted from <1288@cognos.UUCP> by brianc@cognos.uucp (Brian Campbell):
>+---------------
>|    Has anyone else had any problems with the 1.2 posting of xt_wini.c?
>| It now works for my hard drive (Seagate 225 with WD controller), but I
>| had to swap the drive type calculations in init_params().  Is the
>| posting wrong, or are my jumpers somehow backwards?
>+---------------
>
>I had this happen also.  I don't know what having write precomp turn on too
>early does, but check for that as well; I discovered that it was using a
>value of 128, while my ST225 data sheet says 256.  (This is the starting
>cylinder for write precomp.)  I added a line to change it in the wini.c
>I compiled into Minix.

   Try again.... write precomp starts at cylinder 300, not at 256, according
to the ST225 manual I have for the ST225 on my Ampro.

					Dave Ritchie
					hplabs!hp-lsd!ritchie