[vcf-midatlantic] DEC KDF-11 question

Richard Cini rich.cini at gmail.com
Wed Aug 1 10:01:25 EDT 2018

That’s an 11/73 right? With the “Jaws” CPU.

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From: 32012551740n behalf of
Sent: Wednesday, August 1, 2018 9:59 AM
To: vcf-midatlantic
Cc: systems_glitch
Subject: Re: [vcf-midatlantic] DEC KDF-11 question

No, you need split I&D for 2.11BSD, which means J11 in the QBus world.
You'd want to try with the KDJ11-A, which is a dual height card. You will
almost certainly need to add bits to the address bus on the backplane.


On Wed, Aug 1, 2018 at 9:54 AM, Richard Cini via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> All —
> I’m looking for a working M8186/KDF-11 dual-height CPU card, mostly as an
> experiment to see if it would work in place of the LSI-11 (11/03) card in
> my Heath H-11 for the purposes of getting BSD 2.11 working. Not sure if
> that’s even possible, so maybe let’s start with that.
> Will BSD run on a KDF-11 (11/23) if I have sufficient RAM?
> Thanks!
> Rich
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> Get Outlook for iOS<https://aka.ms/o0ukef>

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