Found it, I think...
Accelerate Your Mac! - Converting a PC adaptec SCSI card to mac
web.archive.org
That's the article I wrote way back when. By today's standards, way too much detail on the soldering and probably some of the (soldering) details are bad advice. But it is more than 25 years old, so...
But there was also discussion in the forum regarding specific cards and firmware versions of the 2940UW. Also, some times there would be a front page item from Mike when I reader reported converting a newer version of the card.