Help Needed: Kaypro 10 HDD Problems

From: Bill/Carolyn Pechter <pechter_at_shell.monmouth.com>
Date: Tue May 12 23:17:50 1998

>
> Marty wrote:
> >
> > If all else fails you may want to try a low level format on the hard
> > drive. Boot with a MS-Dos ver 2.10 or later, run debug. At the '_'
> > prompt type in g=c800:5 which should access the controller rom and
> > enable you to low level format (it is <crudely> menu driven). Your
> > Tandon has 306 cylinders, 4 heads and 17 sectors per track. After the
> > low level format procede with the high level partitioning and
> > formatting.
> >
>
> I'm not familiar with the Kaypro 10 HD Controller but I am guessing it
> uses a WD HD controller. One of the things I *always* do before using
> debug and the "g=c800:5" command is to unassemble that location first (u
> c800:5) to make sure it contains a jmp instruction. Other locations
> that I've seen include c800:6 and cc00:5.
>

Is this a troll?

This is only on the IBM PC Bus controllers that have bios roms for
controller identification. OEM'd WD100x's like those in the Kaypro and
Perkin-Elmer 7300/7350 Unix boxes do not have this feature (or
the debug program to use it).

Bill
who owned a number of WD1001 and WD1002-HDO controllers.
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Received on Tue May 12 1998 - 23:17:50 BST