Odd Q-Bus questions 18/22bit

From: Sam Ismail <dastar_at_ncal.verio.com>
Date: Tue Aug 18 13:08:25 1998

On Tue, 18 Aug 1998, Zane H. Healy wrote:

> >As far as I know, all DEC versions of the VT103 came
> >with an 18 bit backplane for the QBus. If an LSI-11/03
> >is used, I understand it may be ill advised to make any
> >changes in the backplane, as well as fruitless, since this
> >CPU can use only a maximum of 56 KBytes of memory
> >in any case.

Besides the VT103 name plate on the front, how else can I tell that I'm
looking at a VT103, or perhaps a VT100 with a Qbus backplane? Are there
any tell tale signs on the back of the unit?

Sam Alternate e-mail: dastar_at_siconic.com
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Received on Tue Aug 18 1998 - 13:08:25 BST

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