Wanted: DEC Computer Lab manuals

[Ethan Dicks]

On Fri, Jan 23, 2009 at 4:36 PM, Vincent Slyngstad <vrs at msn.com> wrote:
>> On Thu, Jan 22, 2009 at 12:45 AM, Ethan Dicks wrote:
>>>
>>> Also, there are Phillip's pictures of the cables on grid paper, so
>>> they look like pretty ordinary crimp pins, but I'm having to guess at
>>> the nominal diameter... 3mm?
>
> They are not ordinary, at least I haven't been able to find any like them.
>  They are brass taper pins, about .093" at the tip and about 0.1"
> higher up.  The brass part is important.  I tried using the regular .093"
> pins and splaying the backside slightly, but it did not work as well, and
> the steel or whatever the new pins are made of scratches up the little brass
> rings.

Ah... important to know!  I had thought the eyelets to be steel, but
it sounds like they are plated brass, then.

I had been considering trying molex pins, but apparently that's going
to be a poor choice.

> I looked through the manuals, and there's no information about jumper
> lengths or quantities in there, at least beyond what was already reported.

OK.

>>> Oh... one more thing... does anyone have any idea which bi-pin bulbs
>>> DEC used on this?
>
> According to the student manual, they are DEC #12-5591.  According to the
> DEC parts list, that's a CM2306.  The CM2306 is a 6V 20ma bulb
> with a brightness of 0.600mscp.

Good to know.  Chicago Lamp or someone ought to have something that works.

>  (I'd guess that let them be run off the same supply as the logic.)

Probably.

Thanks for the info, Vince,

-ethan