30 Oct
2015
30 Oct
'15
6:07 a.m.
2015-10-30 13:54 GMT+01:00 Jay Jaeger <cube1 at charter.net>:
No, not looking for a reproduction. Just posted it in
case it would help
folks with a possible RK11-C display panel concept.
Interesting. We also have a RF08 / RS08 combo. It came with two PDP-8/L
machines. I am not sure if both PDP-8/L CPUs were connected to the RF08
simultaneously or how it was connected once upon a time since all cabling
has been removed prior to us getting to it. The front panel look exactly
the same. The drive and controller sits in a full height cabinet with the
drive in the middle and the controller at the top.
What is the plan with your RF08/ RS08? Is it possible to get it complete or
is just parts? The RS08 seems to be a DF32 on steroids. The question is if
it would be possible to have our unit working some day? Anyone tried to get
these things to run?
On Oct 29, 2015, at 15:31, rod <rodsmallwood52
at btinternet.com> wrote:
Hi Jay
Is this what you want me to look at with a view to panel
reproduction ?
Rod
> On 29/10/15 20:28, Jay Jaeger wrote:
> Looking at the document at:
>
>
http://dustyoldcomputers.com/pdp-common/reference/drawings/peripherals/docs…
>
> The picture, though extremely fuzzy, matches my panel in the
> organization of legends and breaks in line. Since I have what I think
> is a complete RF08, and pieces of the drive (RS08), I think it is safe
> to conclude that I have the panel from an RF08.
>
> However, the panel is designed to actually hold up to 8 lights of 36
> bits each. I have to believe that DEC used this setup for any number of
> light panels.
>
> For photos of the drive electronics, controller electronics, power
> supply, platter and display and display measurements, see:
>
> https://drive.google.com/open?id=0B2v4WRwISEQRTkVRX2NPMThILWM
>
> I posted detail display panel photos and measurements in subfolder
> Display of this Google Drive folder (RF08-RS08)
>
> The main folder has photos of the drive (RS08) electronics and the
> controller (RF08) electronics, etc. (The very first photo shows some
> mouse droppings / seeds, which I cleaned up (though I did not entirely
> disassemble the thing), and are less apparent in subsequent photos (I
> recall there being even more extensive cleaning after the simple
> vacuuming I did before taking most of the photos). There is also a
> photo of the power supply and the (now separated from the container)
> platter and a head or two as well as a photo of the display panel.
>
> In the Display sub-folder are photos of the panel and its components,
> and a text file with measurements.
>
> Apologies in advance for the photo quality of the display. I didn't
> want to use a flash, and so there was some camera shake, even with IS.
>
> JRJ
>
>
>> On 10/26/2015 7:25 PM, Noel Chiappa wrote:
>> > I have just worked out the pattern on the cables to the
indicator
panel,
>> > which allows me, from the device
schematics, to tell which
signals are
>> > shown on which lights on the
indicator panel - I can even tell
where the
>> > spaces are between light groups
(since those lights are not
>> > connected). So I know now exactly what the panel shows, and
almost
>> > certainly in which lights
(although there might be a left/right
swap,
>> > there are no fields which span
the boundary).
>>
>> So here's the writeup on the RK11-C insert:
>>
>> http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/RK11-C_insert.txt
>>
>> The unusual light pattern should allow us to know, instantly, if we
see
one.
>
> Noel