Re: Short test programs for pdp 11/34

2016-09-26 Thread Paul Anderson
if you are still up, feel free to call. On Sun, Sep 25, 2016 at 9:52 PM, devin davison wrote: > Thanks for all the helpful information. The machine looks to be working. I > found a few different key in programs. I can get to the console emulator > prompt on the attached vt100. I keyed in a few s

UMR computer photos

2016-09-26 Thread jim stephens
I was looking thru one of the yearbooks from my time at University of Missouri, Rolla. I found what I think is a photo of a GE-200. I "liberated" this system or one of them to a lab I had, when they were mothballed, and I could swear that is what the systems were. If anyone recognizes them,

Re: UMR computer photos

2016-09-26 Thread COURYHOUSE
Not the GE 200 I am used to! what did it have for a console? Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 9/26/2016 3:21:41 A.M. US Mountain Standard Time, jwsm...@jwsss.com writes: I was looking thru one of the yearbooks from my time at University of Missouri, Ro

Re: UMR computer photos

2016-09-26 Thread jim stephens
See the photo. The thing in both photos are the same, but one of the negatives is printed reversed, I think. the array of square indicators and pushbuttons is the front panel. On 9/26/2016 3:26 AM, couryho...@aol.com wrote: Not the GE 200 I am used to! what did it have for a console? Ed

[no subject]

2016-09-26 Thread Liam Proven
"Fan belts only exist, briefly, in the intervals between stars Reviewing the informative Turing’s Cathedral Programming the ENIAC, the world's first digital computer (US Army photo) Book review It's a full four years since it was published, but Reg contributor Geoffrey G Rochat has finally gott

Re: UMR computer photos

2016-09-26 Thread Bob Rosenbloom
On 9/26/2016 3:21 AM, jim stephens wrote: I was looking thru one of the yearbooks from my time at University of Missouri, Rolla. I found what I think is a photo of a GE-200. I "liberated" this system or one of them to a lab I had, when they were mothballed, and I could swear that is what the

Re: UMR computer photos

2016-09-26 Thread Jon Elson
On 09/26/2016 05:21 AM, jim stephens wrote: I was looking thru one of the yearbooks from my time at University of Missouri, Rolla. I found what I think is a photo of a GE-200. I "liberated" this system or one of them to a lab I had, when they were mothballed, and I could swear that is what t

Ternary logic hardware [was: Re: 68K Macs with MacOS 7.5 still in production use...]

2016-09-26 Thread Tomasz Rola
On Tue, Sep 20, 2016 at 04:06:39PM +0200, Liam Proven wrote: > On 16 September 2016 at 14:51, David Bridgham wrote: > > On 9/15/16 23:13, ben wrote: > > > >> PS: Ternary arithmetic I can understand, but Ternary Logic needs Mr > >> Spock to figure out. > > > > Ternery logic would seem to be useful

Re:

2016-09-26 Thread Jon Elson
On 09/26/2016 08:34 AM, Liam Proven wrote: "Fan belts only exist, briefly, in the intervals between stars Reviewing the informative Turing’s Cathedral Programming the ENIAC, the world's first digital computer (US Army photo) Book review It's a full four years since it was published, but Reg c

Re: UMR computer photos

2016-09-26 Thread Jon Elson
On 09/26/2016 09:01 AM, Bob Rosenbloom wrote: I think the analog computer is a Systron Donner 80, like the one I have here: http://dvq.com/oldcomp/analog/Donner/medium/d80-1.JPG Yup, looks like a better match than the Pace that I was thinking of. Jon

Re: Ternary logic hardware [was: Re: 68K Macs with MacOS 7.5 still in production use...]

2016-09-26 Thread Liam Proven
On 26 September 2016 at 17:55, Tomasz Rola wrote: > As far as I can tell, about the only Polish contribution to Setun Ah, sorry. I think I was confusing 2 different machines. Possibly the one I was thinking about was Elwro's UMC: https://en.wikipedia.org/wiki/UMC_(computer) -- Liam Proven • P

Re: Replacing HP 700 terminal CRTs

2016-09-26 Thread Al Kossow
On 9/25/16 9:35 PM, David Collins wrote: > The 700 series service manual Does anyone have a 700 (or 239x) series depot manual? I have the earlier ones. I can't imagine many real service manuals for the later HP stuff made it out into the wild. 700/92 has a slower dot clock and the pcb layout i

FYI- Department of Defense Debuts Vannevar Bush Faculty Fellowship, Research Gra

2016-09-26 Thread COURYHOUSE
Department of Defense Debuts Vannevar Bush Faculty Fellowship, Research Grant Now Accepting Proposals The Department of Defense (DoD) has announced a new competition for the "Vannevar Bush Faculty Fellowship" in a recent Funding Opportunity Announcement (FOA) (N00014-16-R-FO12) on www

Re: Replacing HP 700 terminal CRTs

2016-09-26 Thread David Collins
There's this service manual if that's what you are after.. http://www.hpmuseum.net/document.php?hwfile=5802 David Collins > On 26 Sep. 2016, at 6:35 pm, Al Kossow wrote: > > > >> On 9/25/16 9:35 PM, David Collins wrote: >> The 700 series service manual > > Does anyone have a 700 (or 239x)

Re: Availability of PDP-8i Front Panel

2016-09-26 Thread Rod Smallwood
Hello Ray I have plenty of PDP-8/i front panels. I also make and stock front panels for PDP-8/e , f and m. The panels are made by the exact same process as the originals. They are designed as replacements for front panels on original systems. I worked for digital when these syste

Fixing HP 3000 model 37 PSU

2016-09-26 Thread Rik Bos
Some time ago I acquired a HP 3000/37 micro, it has a faulty psu. One of the mosfet controlling the power transistor BUX48 was shorted an blew up the whole power stage. Getting new fet's and power transistor wasn't the problem, but the regulator IC also has blown. The regulator IC is marked CC38

Re: Fixing HP 3000 model 37 PSU

2016-09-26 Thread aswood
So no good experiences with the brokers in China? > Am 26.09.2016 um 17:02 schrieb Rik Bos : > > Some time ago I acquired a HP 3000/37 micro, it has a faulty psu. > > One of the mosfet controlling the power transistor BUX48 was shorted an blew > up the whole power stage. > > Getting new fet's a

RE: Fixing HP 3000 model 37 PSU

2016-09-26 Thread Rik Bos
> > So no good experiences with the brokers in China? > > > Am 26.09.2016 um 17:02 schrieb Rik Bos : > > > > Some time ago I acquired a HP 3000/37 micro, it has a faulty psu. > > > > One of the mosfet controlling the power transistor BUX48 was shorted > > an blew up the whole power stage. > > >

RE: Availability of PDP-8i Front Panel

2016-09-26 Thread Anders Nelson
Hi Ray (and everyone), I'm also very interested in knowing the mechanical dimensions of the front panel PCB and positions of the lamps/switches/mounts/etc., but for the PDP-8/e. Does anyone have front panel PCB dimensions and positions for all the UI components I could use? I can make a simple PC

Re: Availability of PDP-8i Front Panel

2016-09-26 Thread Rod Smallwood
Hi As I make panels I have the dimentions for PDP-8/e (two types) ,8/f,8/m and 8/I. All except the 8/I start from the same 3mm Perspex blank. The holes are laser cut. First caution. Cutting square or rectangular holes in thin plastic sheet is not for the faint hearted. The round holes

Re: Availability of PDP-8i Front Panel

2016-09-26 Thread Marc Howard
Ray, A worthy undertaking. However "I volunteer to accomplish the building of the prototype system using only the parts available at the time the orginal computer were built." is going to be problematic. The 8/I only came with core memory; you'd have to be a glutton for punishment to do that fro

Re: Y Combinator is restoring one of Alan Kay's Xerox Alto machines

2016-09-26 Thread curiousmarc3
And it finally boots on session 8! https://youtu.be/9OQMhvArI9g > On Sep 10, 2016, at 7:46 PM, CuriousMarc wrote: > > Video of session 6 is up: > https://youtu.be/b7yVhMT7tr4 > Found our first bad IC. Probably not our last one. > > > On 9/3/16 11:08 PM, curiousma...@gmail.com wrote: > Episo

Re: Y Combinator is restoring one of Alan Kay's Xerox Alto machines

2016-09-26 Thread Lyle Bickley
On Mon, 26 Sep 2016 23:07:34 -0700 curiousma...@gmail.com wrote: > And it finally boots on session 8! > https://youtu.be/9OQMhvArI9g Excellent :) Lyle > > On Sep 10, 2016, at 7:46 PM, CuriousMarc > > wrote: > > > > Video of session 6 is up: > > https://youtu.be/b7yVhMT7tr4 > > Found our first