On Jun 17, 2009, at 4:40 PM, Tony Duell wrote:
  But I don't lioke changing the classic machine.
Not even replacing
 PSUs
 with switchers. The original PSU is part of the design, and I want to
 keep it that way. 
   While I agree with you here, I have to admit that, if my PDP-11/70
had switching power supplies, I'd probably run it a lot more often.
I'd *never* make it an irreversible modification, though.
             -Dave
--
Dave McGuire
Port Charlotte, FL