17 Jun
2002
17 Jun
'02
11:50 a.m.
--- Gunther Schadow <gunther(a)aurora.regenstrief.org> wrote:
Hmm... what's the difference? I know DEC tweaked their Ethernet
peripherals from time-to-time (DEQNA, DELQA, DESQA...), but I've
never seen a concise write-up of what, when, where and why. I do
recall the guys at Ohio State optimizing the Ethernet drivers for
their Pyramid machines and squirting several packets back-to-back,
with such little interval time that they wedged a uVAX-II with a
DEQNA - it had an on-board buffer, but they gave it one more packet
than it had time to deal with, even to discern if the packet was
bound for the uVAX or not. If a slug of data went down the hose,
even between two other machines, the DEQNA would croak.
I don't think so. Among other things, there's only so many BI IDs
(four-bit number IIRC).
Ethan Dicks wrote:
Yep. The 11/750 and 11/730 are in storage, but the 8200 is in
my basement and sees occasional use.
Been there, done that, but it was all 11/7xx
machines.
Still have those? It's fun isn't it, my 11/780 is a very nice
decoration to the garage :-) basic
peripherals (KDB50, COMBOARD-BI, DEBNT, 2nd CPU (if I run my 8200
as an 8300), DMB32),
I bought a few superflous DEBNx cards. The funny thing is they
say DEBNT on the outside but when I run them the SHOW CONFIG
says "DEBNI". I don't know who's lying. I'm out of
BI slots.
Hmm, isn't there something like a VAXBI bus extender? In that
case you might have use for my VAXBI double backplane? Ah the SCSI stuff. Yea, I have given up on that. SDI
disks are
a lot more fun...
I have several hundred pounds of SDI drives. I'd be happy with
a couple for show (and interchange, perhaps), but SCSI for better
megabytes/pound numbers.
-ethan
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