6 Aug
2012
6 Aug
'12
11:45 a.m.
On Mon, Aug 6, 2012 at 8:37 PM, Camiel Vanderhoeven <iamcamiel at gmail.com> wrote:
I'm noticing something on my PDP-11/84 that I
can't explain. I've
"repaired" the broken power-supply by partially replacing it
(http://flic.kr/p/cKTBn7). The 11/84 runs fine now, except that it
won't boot if I put the Unibus terminator (M9302) in. Without the
Sorry, I just noticed that I used the word "boot" way too losely here.
Actually, with the M9302 plugged in, the CPU doesn't start at all (the
display stays at "77").
terminator, it works fine, and I can access
controllers on the Unibus.
According to the manual, however, an M9302 was part of the basic
package. I'm seeing this behavior with two different M9302 modules, as
well as with two different Unibus adapters. Any explanation welcome...