30 Mar
2025
30 Mar
'25
6:02 a.m.
Have you looked at the Unibus troubleshooting guide? It used to be on
bitsavers.
On Sat, Mar 29, 2025 at 9:05 PM Ethan Dicks via cctalk <
cctalk(a)classiccmp.org> wrote:
On Sat, Mar 29, 2025 at 9:46 PM Jon Elson via cctalk
<cctalk(a)classiccmp.org> wrote:
In the "old" days, such as the
1970's, pretty much any
DEC-manufactured peripheral was supplied as a bunch of cards
that plugged into a specific backplane section, generally 9
slots, I think. A couple double-wide slots were for the
Unibus in and out connectors.
There were plenty of 9-slot system unit peripherals, but there were
also 4-slot system unit peripherals in the early days.
One I have myself is the KE11-A integer math unit.
-ethan