VAX 4000-100 QBUS cables

Glen Slick glen.slick at
Tue Nov 29 11:46:31 CST 2016

On Nov 29, 2016 9:22 AM, "Noel Chiappa" <jnc at> wrote:
>     > I have an M9405-PA. It has one male and one female 3-row 50-pin
>     > D-shell connector.
> That's on the metal plate, right? The board itself should have a 2x25
> Berg header.

Same deal as a few other S-box handle boards. It's a standard dual wide
M9405 board riveted to the S-box handle frame and a dual wide blank spacer
for the CD half of the slot. The two 50-pin D-shell connectors on the metal
frame are connected to the two standard connectors on the base M9405 board
by two short ribbon cable jumpers.

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