24 Sep
1997
24 Sep
'97
5:13 a.m.
On 24 Sep 1997, Frank McConnell wrote:
I have one of the HP rack mounts in my living room
right now (on its way
to storage with the punch). Unfortunately I can't post pictures for
y'all but here is how it goes.
Basically it is a sliding shelf with a front, with a hole in the front
for the chad box to poke through. There's a little metal plate
screwed to the shelf near the front, as well as a couple of black plastic
circles toward the rear. Those are just guides to keep the punch
from wiggling around too much as it punches.
OK, that's _totally_ different to the Facit one (which was also used by
Philips according to my P850 User Guide). There's little point in me
posting details from my 4070 manual, then.
It isn't clear to me that my 2895 punch is any
different from a table-top
unit. Smoked-plastic chad box, BTW.
That's a table-top chad box. It sounds like HP used standard table-top
punches in their own rackmount kits.
The Facit kit puts the punch on its side. The 'top panel' faces out of the
rack with the tape spools on the right hand side. There is a special chad
box (I think it's metal) that fits on the left hand side between the punch
head and the side of the rack.
OK OK OK. I am planning on pulling all my 2100
manuals out for y'all.
I can't do it just yet, though; there are other things ahead in the
No hurry for me. I've had this 2100 for 3 years, so if it waits another
couple there's no big problem. Just don't junk the manuals :-).
On the other hand, if you are copying schematics, please do me a copy and
I'll pay for copying/shipping.
queue. Maybe this weekend if I can get some other
pieces into place.
Fair warning: I am a software kind of guy; I know what a schematic
looks like but you shouldn't count on much more. OTOH, I can work
a photocopier.
Schematics (as many as possible :-)) should be all I need.
If y'all are interested in a little story about the 2100 power supply,
I suggest getting Analytical Engine 2.3 from CHAC's web/ftp site and
reading the interview with Barney Oliver. One spoiler: yes, it is a
switching power supply, and there was something patentable in its
design.
Will do....
-Frank McConnell
-tony