Hello,
I was able to get my hands on a Coherent Enterprise II 621 from some retired lab equipment. It did not come with the cooler or a manual.
Any help on locating a manual and the schematics for the cooling option jumper board would be of great help.
I did read an old post that had someone offering this very manual and did send them a note. BUT is was a very old post
after all and I may not get a reply.

If you need any other info just ask

Thank You in advance

Yahiko