DEC QBUS Backplanes

Bill Gunshannon bill.gunshannon at hotmail.com
Fri Apr 17 19:20:39 CDT 2020


On 4/17/20 4:41 PM, Glen Slick via cctalk wrote:
> On Fri, Apr 17, 2020 at 1:37 PM Bill Gunshannon via cctalk
> <cctalk at classiccmp.org> wrote:
>>
>> Definitely not that.  Very small.  Just big enough for the
>> slots I mentioned above.  Power strip on one edge and berg
>> pins for control on the other.
>>
> 
> I thought you meant 4 rows of Q/CD slots plus 8 rows of Q/Q slots.
> 
> So it is actually 4 rows of Q/CD slots plus 4 rows of Q/Q slots?
> 


Can't send a picture, so lets try this:


         A        B         C       D

     |--------|--------|
     |        |        |
     |        |        |
     |--------|--------|
     |        |        |
     |        |        |
     |--------|--------|
     |        |        |
     |        |        |
     |--------|--------|
     |        |        |
     |        |        |
     |--------|--------|--------|-------|
     |        |        |        |       |
     |        |        |        |       |
     |--------|--------|--------|-------|
     |        |        |        |       |
     |        |        |        |       |
     |--------|--------|--------|-------|
     |        |        |        |       |
     |        |        |        |       |
     |--------|--------|--------|-------|
     |        |        |        |       |
     |        |        |        |       |
     |--------|--------|--------|-------|


That's what it looks like.

bill


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