22 Oct
2023
22 Oct
'23
1:08 p.m.
Power 15 vs 20 is detailed in the hardware manual when to use which
On Sun, Oct 22, 2023, 4:27 AM Chris Zach via cctalk <cctalk(a)classiccmp.org>
wrote:
https://vintagecomputer.net/digital/PDP11-40/PDP11-40_DC-pwr-supplies.jpg
That brings up a question that's rattled around my mind: On a 745 it's
rated to supply -15 volts at 10a, but it has two of the lines designated
as "+15 in". Where did the +15 come from, the other supplies put out
+20, +5, and -5?
Or does it put out +15 and -15 from the 20 volt AC input?
C
