RF08/RS08 photos and panel measurements (Re: RK11-C Panel)

Jay Jaeger cube1 at charter.net
Fri Oct 30 07:54:56 CDT 2015

No, not looking for a reproduction.  Just posted it in case it would help folks with a possible RK11-C display panel concept.

> 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/DEC-08-HIEA-DA_RF08_Jun70.pdf
>> 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

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