Reading 8" disks on a PC (was Re: Need NEC APC manuals)

From: Eric Smith <eric_at_brouhaha.com>
Date: Fri Feb 25 14:39:32 2005

Brad wrote:
> but are you saying you connected your 8" drive to a stock PC floppy
> controller?

Yes. All modern PC floppy controllers should be able to read double
density (MFM) 8" just fine. Some can read single density (FM), and
some can't.

> if so, can you tell me how you did it? did you use one of those little
> converter boards from dbit?

Yes. And Linux software of my own devising:
    http://dmklib.brouhaha.com/

Though for reasonably "normal" disk formats, you should be able to
just set the appropriate parameters with fdparm, then dd from /dev/fd<n>.

If you don't need to write to 8" disks, you can just wire up a cable.
The Dbit board is convenient, and it has a PIC that monitors the
step and direction lines to generate the TG43 (RWC) signal needed for
writing.

Eric
Received on Fri Feb 25 2005 - 14:39:32 GMT

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