PDP-11 with ATX power supply
jws at jwsss.com
Sun Mar 8 20:21:31 CDT 2015
On 3/7/2015 11:43 PM, John Wilson wrote:
> I haven't done it with an ATX PS, but years ago I set up a 4-slot
> dual-height box (is that BA-11VA?) that didn't drive BEVENT L, to run
> RSX11M+ which of course requires the clock, so I dangled a little piece of
> perfboard in the backplane (wire-wrapped to BEVENT L and the power pins)
> with a PIC CPU that generated the clock. Code here:
> ... and there's an ASCII drawing of the ultra-simple circuit in a comment
> block there. If I were doing it now I'd use an 8-pin PIC.
> John Wilson
> D Bit
Can you dig up this include file in the source?
I didn't find it in your /pub/pdp11 or at least not a candidate.
I saw the binary is there too, but it would be nice to have all the info
to compile it in one place in case I need it.
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