Re: CBM900 hard disk timeout

From: Michał Pleban <>
Date: Sun, 24 Aug 2014 22:45:13 +0200
Message-ID: <>

MikeS wrote:

> I'd try to exhaust all other possibilities before formatting the disk in
> case there are any rare files on it.

That is of course an important point. I will also acquire a WD1003-WAH
and PC/AT to see if it is able to read anything from the disk.

> Did you have a pull-up resistor on the index line when testing?

Yes, just like on the other lines (READY, SEEK_COMPLETE). I tried twice.

> I want to test this drive before I send the board to make sure it works
> but I have to find and set up a compatible system first; I'm also
> waiting a bit to see if you get yours working without it.

Sure, of course.

> In the meantime it might be useful to have aorking drive for comparison.

I am afraid the only working drive in a C900 is in the museum in Denmark
and they would rather not be willing to send it to me...


       Message was sent through the cbm-hackers mailing list
Received on 2014-08-24 21:01:02

Archive generated by hypermail 2.2.0.