On 12/28/20 7:04 PM, Chris Zach via cctalk wrote:
All joking aside, I sure wish I had a complete H-11.  I have
PDP-11's but the H-11 was unique.

They're around. I had one when I was little and it was ok but kind of clunky. The box was odd, it only had 16 (maybe 18?) bits wired on the backplane and the power supply was a linear rock if I remember right.

I imagine 16 bits.  It probably had an 11/02 processor just like
the TERAK.  18 and 22 came later.


Still, it ran Rt11 pretty well. But an 11/23+ would give you the VM: ram disk driver that allowed you to just copy the whole OS to memory, boot, and run fast!.


I know it ran HT-11 which was supposed to be a custom RT-11.  Would it
run regular RT-11?  Was the H-27 fully RX01 compatible?

bill


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