Ancient disk controllers

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Sun Apr 18 22:00:21 1999

--- Tony Duell <ard_at_p850ug1.demon.co.uk> wrote:
> > > Which pins are used on the 50 pin connector? Could it be pinned out as a
> > > SCSI port. Or is it possibly some custom host interface?
> >
> > It could be a custom host interface. Among other anomalies, I don't see
> > any terminating resistors.
>
> Doesn't sound like SCSI/SASI, then...
>
> > Can you scan that data sheet or send me a photocopy? I'd pay for
> > copying/mailing.
>
> Sure, but from what others have said, I don't think it'll be a lot of use
> to you.

Well... does anyone need this? I happen to have the enclosure that goes
with it too. It says "Davong" on the outside and has a one-piece lid with
broad, rounded corners, not boxy.

> > > 20MHz/4 = 5MHz = standard ST506 data rate.
> >
> > Right. It's the right rate for an 8" disk.
>
> Is it? I thought the 8" winchesters had a 4.34MHz data rate.

To repeat myself, that's a typo. I meant to say "...not the right rate...".
Mea culpa.

If anyone can put this to use, let me know. I can't imagine anything I'll
own in the near future that needs it.

-ethan

_________________________________________________________
Do You Yahoo!?
Get your free _at_yahoo.com address at http://mail.yahoo.com
Received on Sun Apr 18 1999 - 22:00:21 BST

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:31:44 BST