Build your own PDP-8!

From: Michel Adam <micheladam_at_theedge.ca>
Date: Fri Nov 1 11:19:00 2002

Then add my name to the list!


 Michel Adam
 311 Rockridge Apts.
 4905 - 54th Ave.
 Yellowknife, N.W.T.
 Canada X1A 1H6

Thanks

Michel
micheladam_at_theedge.ca



----- Original Message -----
From: bob_at_jfcl.com (Bob Armstrong)
Date: Friday, November 1, 2002 8:55 am
Subject: Re: Build your own PDP-8!

>
> In about twenty four hours eleven people have signed up for 13
> PC boards.
> This is far more than I ever expected, and I'm glad to see so many
> peopleinterested in PDP-8s and the SBC6120. I plan to keep taking
> sign ups until
> Monday, or we get to 20, which ever is first.
>
> BTW, the number of people signed up for our cooperative so far
> is enough
> to guarantee a PCB price somewhere in the low $30 range.
>
> Thanks again,
> Bob Armstrong
>
> > If you're one of those people who wants a PDP-8 but can't find
> one, don't
> >despair - you can always build your own! The SBC6120 is a
> complete PDP-8
> >built around the venerable Harris HM6120 CPU and modern
> programmable logic
> >devices. All parts used except the 6120 are contemporary, easily
> available>devices.
> >
> > The entire system fits on a PC board 6.2" by 4.2" and has
> approximately the
> >same footprint as a 3.5" hard disk. The SBC6120 has an IDE disk
> interface,>an optional 2Mb non-volatile RAM disk (that's as big as
> an RK05!), and a true
> >KL8/E compatible console terminal interface. OS/8 device
> handlers are
> >available for the IDE and RAM disks, and the system will run standard
> >OS/8 V3D. There's even an expansion bus so you can design and
> build your
> >own daughter cards to plug into it.
> >
> > To find out more, visit the SBC6120 web page at
> >
> > http://www.SpareTimeGizmos.com/Hardware/SBC6120-2.htm
> >
> > I've recently had two requests to buy SBC6120 PC boards. These
> are four
> >layer boards with plated holes and are quite expensive in
> quantity one or two,
> >but the price falls per piece falls dramatically for quantities
> as small as
> >four or six. I'd like to find a few other people who would be
> interested in
> >building their own SBC6120 and going in together on a PCB order.
> The price
> >for a SBC6120 PC board would be something like:
> >
> > Two boards ==> $100 per board
> > Four " ==> $60 per board
> > Six " ==> $45 per board
> > Ten " ==> $36 per board
> >
> > I also have about four spare 6120 chips, which I'm willing to
> sell at my
> >cost of $50 each. Believe it or not, it is still possible to buy
> new old
> >stock 6120s, at $50 each, with a minimum order of ten (!!), but
> if enough
> >people want SBC6120s we could always go this route.
> >
> > If you're interested, please write to me at bob_at_jfcl.com.
> >
> >Bob Armstrong
>
Received on Fri Nov 01 2002 - 11:19:00 GMT

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