Re: [midatlanticretro] Acquired a PDP-8/E
- On Wed, May 22, 2013 at 11:17:33AM -0500, Kyle Owen wrote:
>Yes they all should be the same.
> And I suppose it's safe to assume that all incandescent bulbs are of OL-2
> type? I've found that the extended memory address lights and the run light
> are all OL-1, and thus light very dimly. I plan on ordering (50) JKL 7371
> 12V 40mA bulbs, which, being extra bright, should look good and last a
> while at 8V.
> The 9-pin (I think) connector going from the power supply to the backplaneI didn't find the correct part number but I think it is similar to
> has a broken tab that holds it to the panel of the power supply. Do you
> have a part number for these? It makes plugging in the connector quite
> difficult, since it wants to slide inside the case.
TE Connectivity/AMP 1-480323-0. Look around at those and see if any
- On 06/06/2013 12:54 PM, Kyle Owen wrote:
> That looks like a nice product, but yes, it's certainly expensive. I've gotOS/8 needs a random-access storage device; paper tape won't do it.
> some FPGA background myself, along with several different microcontrollers,
> so I may see about creating something that will work with my high-speed paper
> tape interface. That could be considered an OS/8 storage device, yes?
Magnetic tape drives are *physically* sequential-access, of course, but the
TU56 (for example) is logically a random-access, block-oriented device. (with
highly variable latency ;))
> I wouldIf this was a generally-directed question...The book you want for "most
> have no idea how to go about writing a driver for it yet, but perhaps it'd be
> in my best interest to start reading up on the commands for the card and then
> learn more about OS/8. Do you have any suggestions on recommended reading for
things OS/8" is the "OS/8 Handbook". It is excellent. Try to find a paper
copy if you can, but it's available in PDF on bitsavers:
Dave McGuire, AK4HZ
New Kensington, PA