pat at computer-refuge.org
Wed Apr 20 22:04:53 CDT 2005
On Wednesday 20 April 2005 18:17, Tony Duell wrote:
> My 11/730 came with a BA11 10.5" expansion box (BA11-K IIRC). It
> contained a DMF32, and something else which I forget. There was a
> little card in the Unibus Out slot of the CPU backplane that linked
> to the bulkhead with 3 ribbon cables, That took a flat screened cable
> with 3 connectors on each end that went to a similar bulkhead on the
> expansion rack, then 3 more ribbon cables to the Unibus In slot of
> the first backplane in the BA11.
That small 3-connector card for UNIBUS in/out is the same as what is
used on an 11/780, to connect the DW780 to a BA11, FYI.
Purdue University ITAP/RCS --- http://www.itap.purdue.edu/rcs/
The Computer Refuge --- http://computer-refuge.org
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