On Sat, 18 Apr 2015, Rich Alderson wrote:
I've heard
(from Peter Lthberg that they're emulated (in certain situations?)
as massbus disks.
I was wrong about SC, BTW. That work was done internally at CI$. (I was told
this by the gent who oversaw the conversion from KLs to 40s.) Whether they
emulate Massbus at some point, I cannot say.
Ahhhh.
I see "RH" all over the place...so it's plausible.
If Peter is talking about XKL, I'm sorry but
he's dead wrong. I can say that
with complete certainty since I worked for XKL when the Toad-1 was built, did
some of the monitor development myself, and have managed Toad systems as part
of my daily living for the last 20 years. The SCSI interface created by XKL
(specifically by Dr. Wayne Lichtenberger, of Illiac and AlohaNet and Cisco's
CSC-3 processor board fame) is sui generis, and the code for it in TOPS-20 is
likewise.
He was talking about SC.
Rich
P.S. Peter is an old friend. Say hello for me next time you talk to him.
Will do - he's the only one I know who understands the SC-40. ;)
Rich Alderson
Vintage Computing Sr. Systems Engineer
Living Computer Museum
2245 1st Avenue S
Seattle, WA 98134
mailto:RichA at
LivingComputerMuseum.org
http://www.LivingComputerMuseum.org/
--
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