7 Nov
2011
7 Nov
'11
8:16 a.m.
On Mon, 7 Nov 2011, Ethan Dicks wrote:
On Mon, Nov 7, 2011 at 9:32 AM, Gene Buckle <geneb
at deltasoft.com> wrote:
Ahh, ok. That would be an interesting setup once you've got it running
well. I know that the ethernet card in the 8250 would just "go away" when
the room temp hit about 70F. I was running Ultrix on the machine - it was
a blast. :)
g.
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On Sun, 6 Nov 2011, Ethan Dicks wrote:
The 8250 was VAXBI, not Unibus, so this puzzles me (the 8350 was an 8250
with two CPU cards in it if memory serves)
Yes. The 8200 and 8250 have one CPU, the 8300 and 8350 have two.
Unlike later models, these CPUs sit right on the VAXBI bus.
When these machines came out, DEC provided the most obvious native
peripherals (KDB50 disk, DEBNI ethernet, DMB32 serial mux, CI
interface, etc) but there were so many oddball Unibus cards out there
(including the ones we sold) that another peripheral was the DWBUA
BI-to-Unibus adapter. Some models were ordered and shipped with one
BI section and one DD11DK and a DWBUA with short cables in the BA32
chassis, but what we had was the more common version - two BI sections
in the main BA32 and long cables over to a BA11 in the next rack over.
> On
Sat, Nov 5, 2011 at 11:52 AM, Gene Buckle <geneb at deltasoft.com>
> wrote:
>>> ?I miss my 8250. :(
I still have my 8300 in the basement... I wish I could get the DWBUA
working on it...
The machine runs fine - just no Unibus.