[TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additions

Jason Stevens jsteve at superglobalmegacorp.com
Tue Feb 18 18:01:56 AEST 2020

It's the CMU micro kernel.  The hybrid "2.6" lived on in NeXTSTEP, and OPENSTEP, with various upgrades to bring it up to OS X. 
The RT as I understand it was a research machine, hence the BSD ports, and Mach port. 
What is interesting the more I dig around is that there was ROMP coprocoessor cards, and an OS/2 and DOS monitor program to let you boot BSD on the card.  Peripheral IO was done on the x86 side. 
If RT's are rare, I can't imagine how impossible it would be to get one of those cards! 
The BSD assembler and linker source is in the archives too, no doubt it'll help someone make a RT emulator. 
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On Tue, Feb 18, 2020 at 12:54 PM +0800, "Kevin Bowling" <kevin.bowling at kev009.com> wrote:

Can you clarify what is Mach in this archive if I have a gap in my knowledge? I didn’t know the VRM had any direct relationship to Mach
On Mon, Feb 17, 2020 at 9:43 PM Jason Stevens <jsteve at superglobalmegacorp.com> wrote:
Interesting stuff!  And another version of Mach is buried in there. 
So the 4 csrg cd set may have updates to the romp support as it's an older version of the 5.1 kernel from 89...  Not that think there is any Mach romp users. 
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From: TUHS <tuhs-bounces at minnie.tuhs.org> on behalf of Charles H Sauer <sauer at technologists.com>
Sent: Tuesday, February 18, 2020, 5:51 a.m.
Subject: [TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additions

The Bitsavers' RSS feed 
(http://user.xmission.com/~legalize/vintage/bitsavers-bits.xml) seemed 
to me to be dominated by RT, AIX, AOS (BSD for RT), etc. stuff in the 
last week or so. I've only sampled a few items, but discovered a few 
things that I should have known (or knew and forgot?) while I was at IBM.


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