PDP-11/44 Power Supply Questions

From: Zane H. Healy <healyzh_at_aracnet.com>
Date: Sat Apr 24 16:03:23 1999

OK, the good news is it didn't blow up when powered on, though did have a
few worried minutes till I got smart and got out the console key, and
turned it to a on possition :^)

I just got done measuring the voltages and if I'm reading the manuals
correctly the voltage levels are within limits.

Flexprint Cable:
+5.37V

P1 Connector
Pins Voltage Overvoltage Limit (according to BA11-A manual)
1-10 +5.05 +6.5
11-16 +11.92 +15.0
17,18 -11.91 -15.0
25,27 -14.97 -18.0
26,28 +15.11 +18.0

However the following pins seem reversed
23 GND SENSE
24 +5 SENSE
I get nothing on the +5 SENSE, but I get +5.24V on the GND SENSE. What is
up with that?!?!?! I'm possitive that I'm not the one that is reversed as
I checked this several times.

The voltages all are under the overvoltage limit, so I assume I'm OK on
that note.

                                Zane
| Zane H. Healy | UNIX Systems Adminstrator |
| healyzh_at_aracnet.com (primary) | Linux Enthusiast |
| healyzh_at_holonet.net (alternate) | Classic Computer Collector |
+----------------------------------+----------------------------+
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Received on Sat Apr 24 1999 - 16:03:23 BST

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