Date   : Wed, 11 Jan 2006 00:31:18 GMT
From   : Pete Turnbull <pete@...>
Subject: Re: eBay What is this?

On Jan 11 2006,  0:11, Jules Richardson wrote:

> The 'controller board' is a Xebec SCSI-ST506 bridge board, designed
to allow
> ST506 interface drives to hook up to systems with a SCSI (or SASI)
bus. It's
> *not* an Acorn SCSI/Winchester controller (incidentally, if I
remember right,
> Acorn used an Adaptec bridge board along with their SCSI interface)

Yes, Acorn used an Adaptec, an ACB4000, to be precise.  Are you sure
that's a Xebec board, though?  It doesn't look like the ones I have.
 Xebec did SASI, not SCSI, though there's not much practical difference
on boards that old.

> The hard disk is the interesting bit. Cumana made a second processor
for the
> BBC with a 68008 CPU on board, capable of running OS-9 - it sounds
like this
> is what this drive came from. Possibly one of the rarest second
processors
> made for the BBC.

Oops, I'd forgotten about that.  Never seen one, but it's been
mentioned on this list before, so I should have remembered.  I guess
that must be what this auction item is from.


-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York