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

rod rodsmallwood52 at btinternet.com
Thu Oct 29 15:31:50 CDT 2015

Hi Jay
       Is this what you want me to look at with a view to panel 
reproduction ?


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.
> 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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