Finally got a "straight" DF32 yesterday - test-drb@ccmp.vtda.org

5 Nov 1999

Okay, I have the same drive(s-this weekend). The switch allows you to select
one of three computers the drive will be used on:

Straight 8
PDP-8/S
PDP-8I

the switch controls bus lines, (and selectors diode or resistor) logic for:

pcl - straight 8
init - for 8i

certain bus signals for 8/8s/8i, and other things I am finding in the
schematic (mentioned changes between 8,8I,8/s). I haven't read the whole
book yet as I have been inundated with documentation again... and my pick up
this weekend will make my current document set look like a pamphlet. Do you
have schematics? Contact me off the list.

P.S. They did not put this switch on early model DF32s as only the 8,8/S was
around. I am getting a newer drive that has the 8I switch (more changes).

Does anyone know if digital fixed the head crashing problem with the DF32-D,
or -F?

Thanks

john

-----Original Message-----
From: Ethan Dicks &lt;ethan_dicks(a)yahoo.com&gt;
To: Discussion re-collecting of classic computers
&lt;classiccmp(a)u.washington.edu&gt;
Date: Friday, November 05, 1999 9:45 AM
Subject: Re: Finally got a "straight" DF32 yesterday

...
 --- John B &lt;dylanb(a)sympatico.ca&gt; wrote:
  >> >What's the -8/I switch? 
  I believe I am VERY lucky to have a wife and
children that don't mind
 co-existing with such hardware (it is in its own room)! 
I ended up buying a farm with a 30'x50' quonset hut, but for more reasons
than
...
 just the collection.  If all goes well, I'll be
breaking ground for a purpose-
...
 built edifice for the collection in the spring.

  I can answer your question when you tell me:

 What kind of modules are in your DF32 - purple M series with "G", or read
 "R" series with "G". 
No M.  R. On all drives, masters and slaves.

-ethan

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