Really? Wow. With all the machines that used BA23 boxes (both -11s and uVAXen), you'd think that the printset for _one_ of them would have included the H7864. That was common DEC practise; the print-set for the 11/xx system as a whole usually included the prints for the 'standard' power supply for that machine. (That's how we have the prints for the H786 BA-11N power supply - as part of the prints for the 11/23 - someone kindly pointed that out to me.) So I'd check out all the machines that came in a BA23, and look for the print sets for them, and see if any has the H7864 included. (If anyone finds them, do let us know if you succeed - I have a feeling I'll be needing them before too long! :-) Noel