Arrgh. Dyson DC01 poorly

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Key-in bootstrap....I think.
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Bob Eager
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Rebooting.
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"The road to Paradise is through Intercourse."
[email me at huge [at] huge [dot] org [dot] uk]
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Andy Hall <> wrote

They are indestructible ! the one I managed refused to die. Does yours have the vast capacity (!) TK50 in it ?

<fx: Covers eyes and runs away quickly ... !>
Cheers,
Paul.
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No, MicroVAXes...but the leccy bill is bad with all the PCs...
Gas powered PCs anyone. I bet even IMM hasn't got solar panels on each one yet...
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Bob Eager
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How many PCs...?
cheers, Pete.
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wrote:

Five permanently on...others on demand, no more than 3 or 4 more at once though.
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Bob Eager
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That's not too bad, though laptops make good secondary PCs, the two here run at 20w and 12w :)
cheers, Pete.
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"Bob Eager" wrote > On Sun, 8 Feb 2004 10:24:25 UTC, Andy Hall

Yep. I have a VaxStation 3100 M76. Powered it up the other day and was amazed I still remembered the command $MCR AUTHORIZE ;-)
Cheers,
Paul.
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"Bob Eager" <> wrote

Well, i've worked on all the early stuff TBH, the only thing i didn't touch was a PDP/11 or a MicroVAX 1. Had a MicroVAX 2 though !
Still a youngster, me .. ;-)
P.
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On Sun, 8 Feb 2004 15:31:43 UTC, snipped-for-privacy@technologist.com (Zymurgy) wrote:

I worked on a special purpose OS for a PDP-11 (and did a compiler for it). Lessee...11/03, 11/10, 11/20, 11/34, 11/40, LSI/11....!

Hah!
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snipped-for-privacy@technologist.com (Zymurgy) writes:

Pah. Newbie. I've worked on PDP-8s.
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On Sun, 8 Feb 2004 16:10:11 UTC, snipped-for-privacy@ukmisc.org.uk (Huge) wrote:

I did...just once. Have a nice emaulator running here....can telnet into OS/8....!
Then there was Mercury Autocode....!
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Bob Eager
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On 8 Feb 2004 16:10:11 GMT, snipped-for-privacy@ukmisc.org.uk (Huge) wrote:

Ah, the dear old PDP-8.
My first-ever computer "program" was entering microcode to copy a paper tape from a reader to a punch.
The PDP's which I had access to back in the early 70's had a programming language called FoCal - Formula Calculator. Mind you these days I think that FoCal might refer to IMM's internal language..... ;)
PoP
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I don't think you mean microcode. AFAIK, the '8 didn't have programmable microcode. You probably mean "machine code" which is something else entirely.
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On Mon, 9 Feb 2004 11:22:34 UTC, snipped-for-privacy@ukmisc.org.uk (Huge) wrote:

I agree...but in fact the PDP-8 did have something called 'microprogramming' which is where the confusion probably arises.
Group1 and Group 2 instructions were addressless instructions, with function determined by a bit code. You were allowed to use combinations of bits; for example, to load -1 (all 1s) into the accumulator, you combined CLA (clear accumulator) and CMA (complement accumulator). There were many more.
(I *have* written microcode...but for a mainframe!)
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Whatever. I remember thumbing those plastic toggle switches on the PDP8 to enter the program. 12 bit words as I recall.....
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Yes....shades of yellow and brown on a PDP-8, red/maroon an a PDP-11, blue on other (e.g. PDP-10 and 15). I have a picture of the toggle switches on a PDP-10.... 36 of them, all in a row!
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The you'd get to the last but one and realise the you'd made a mistake.
.andy
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"Zymurgy" wrote | "Bob Eager" <> wrote | > Andy Hall <> wrote: | > > >heh. I think we're getting way off the topic of DC01's, but | > > >i'm originally a VMS specialist (started on 11/750's through | > > >6XXX's, 4XXX's and Alphas) now working on various Unix | > > >variants myself. | > A latecomer, eH? I started on a 780...before the 750 existed!
I remember sharing a Vax 11/780 with about 6MB of RAM with forty-odd other students at university ... it was slow, even by the standards of the day.
Oh, the joys of word-processing on Vecce.
| Well, i've worked on all the early stuff TBH, the only thing i | didn't touch was a PDP/11 or a MicroVAX 1. Had a MicroVAX 2 though !
I had a Dragon 32 :-(
But it was still faster than sharing a Vax 11/780 with about 6MB of RAM with forty-odd other students :-)
I also remember a secondhand Honeywell 6080 at Aber that used to belong to NASA and them just introducing a new thing called TSS - Time Sharing Service - as though a stack of cards wasn't too good for students already.
Owain
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On 8 Feb 2004 07:31:43 -0800, snipped-for-privacy@technologist.com (Zymurgy) wrote:

I started on PDP11s at college, though smaller ones like the 11/44, then migrated to uPDPs at my first job, then the VAX 11/730 and then it mushroomed :)
Got a uVAX I here that I'm working on 'cos either its RD52 or RQDX1 has gone south.....processor passes its tests though so that's a big worry out of the way.
-- cheers,
witchy/binarydinosaurs
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