PDP-8/E PSU Debugging (was Q-bus pinout)

From: CLASSICCMP_at_trailing-edge.COM <(CLASSICCMP_at_trailing-edge.COM)>
Date: Fri Apr 9 21:45:28 1999

> There should be
>some plastic catches (or more likely the remains of same) on the PSU.

I've found that most half-inch tape seals have latches which are
quite amenable to being used as replacements for the original plastic
catches :-).

>BTW, one of the few pieces of poor design in this machine is that you
>have to take the left side rackmount rail off the box before you can get
>the PSU out. This means you have to take the entire (heavy) machine out
>the rack before you can remove the PSU.

If you use short 10-32x1/4" screws on the left rail, it's a lot easier to
take the PSU out. (I thought everyone shortened these screws!)

With the original screws (3/4"), it is possible to get the PSU in and out
with the rail attached, but it is quite difficult and requires that the
PSU be inserted at a rather awkward angle.

-- 
 Tim Shoppa                        Email: shoppa_at_trailing-edge.com
 Trailing Edge Technology          WWW:   http://www.trailing-edge.com/
 7328 Bradley Blvd		   Voice: 301-767-5917
 Bethesda, MD, USA 20817           Fax:   301-767-5927
Received on Fri Apr 09 1999 - 21:45:28 BST

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