24 Jan
2012
24 Jan
'12
1:26 p.m.
David Riley wrote:
Yup, that's it. 4x4 serpentine, usually found in a BA11-M.
--
Pete Peter Turnbull
Network Manager
University of York
On Jan 24, 2012, at 3:09 AM, Pete Turnbull wrote:
> David Riley wrote:
>
>> I'll vouch for that. My backplane (I don't currently have a box)
>> is an H9273; the designers kindly left proper square wire-wrap
>> posts coming out the back. Updating to 22-bit was a very simple
>> operation with a manual wire-wrap tool, and everything appears to
>> work perfectly. If you do that, make sure you run your wires in
>> the same serpentine pattern as the bus!
Are you sure
yours was an H9273? Not H9270? I've never seen an
H9273 with wirewrap pins, and H9273 is straight (Q18-CD), not
serpentine.
Ah, yes, that's what I mean. Momentary memory lapse, aided by the
fact that it's not marked on the thing anywhere I can see. Four
slots, right?