On Nov 29, 2016 11:44 AM, "Peter Coghlan" <cct...@beyondthepale.ie> wrote: > > Another thing I noticed is that there are rather more than 50 QBUS signals > listed on the top right of the circuit diagram. I guess which ones are omitted > from the 50 pin D connectors will become apparant when I find a pinout for > those connectors. I suppose the power rails and those labeled "spare" are > likely candidates for omission. >
There are *two* 50-pin bus extension cables, not just one. More than enough signal lines for the 72 card edge fingers on a dual wide card. (18 per 2 sides per the A and B card edge connector positions).
