Tape drive help and/or part needed (Attention DEC-heads!)

From: Merle K. Peirce <at258_at_osfn.org>
Date: Wed Oct 13 09:02:26 1999

I think our KS10 has separate ports for the massbuss marked disk and
tape, but I'd have to double check to be sure I'm not thinking of
something else.

On Wed, 13 Oct 1999, Bill Pechter wrote:

> > > Chris Zach (cz_at_alembic.crystel.com) has the MIT-AI KS10, and wants to run
> > > ITS on it, but his tape drive (A TU77) is screwed up. It generates a
> > > FORMATTER ERROR in the Status register whenever it's on.
> > > He has booted from drives on the same Massbus so that's OK.
> >
> > Well, you've explained one problem already. You're not supposed to put
> > disk drives and tape drives on the same Massbus.
> >
> >
> It's because of software limitations and (If I remember correctly)
> disk and tape drives used different numbers of massbus registers
> so you have to jumper (in the PDP11 case) the RH differently.
>
> Don't know about the 10's though. Vax RH780's could do both disks and
> tapes on the same massbus.
>
> Bill
>
> ---
> bpechter_at_shell.monmouth.com|pechter_at_pechter.dyndns.org
> Three things never anger: First, the one who runs your DEC,
> The one who does Field Service and the one who signs your check.
>

M. K. Peirce
Rhode Island Computer Museum, Inc.
215 Shady Lea Road,
North Kingstown, RI 02852

"Casta est qui nemo rogavit."
              
              - Ovid
Received on Wed Oct 13 1999 - 09:02:26 BST