Ahhh, here it is. Stamped in the edge/frame of the
card
it's connected to is M7602 YA.
OK - I must have missed that in the original list of
parts. It's a VCB01 (QVSS) - the original (IIRC) Qbus
graphics module.
You can find plenty of detail about the VCB01 in the
VAXstation II Tech Manual at:
http://208.190.133.201/decimages/moremanuals.htm
Antonio
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Antonio Carlini arcarlini(a)iee.org