test-drb November 2017

test-drb@ccmp.vtda.org

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Computing Pioneer Dies

by jnc＠mercury.lcs.mit.edu

> From: Evan Koblentz > That's the dumbest thing I read today. And that helped... how? Noel

7 years, 1 month

Computing Pioneer Dies

by blstuart＠bellsouth.net

On Fri, 11/10/17, Dave Wade via cctalk <cctalk at classiccmp.org> wrote: > https://www.theguardian.com/global/2017/nov/08/geoff-tootill-obituary This raises the question, is there anyone still alive from those first-generation projects? I had guessed that at age 101, Harry Husky was the last one still alive when he passed away earlier this year. To put a finer point on the question, is anyone who was involved with the original designs of the ENIAC, the Baby, the EDSAC, the Pilot ACE, the Z1, or the Harvard Mark I still with us? BLS

7 years, 1 month

Need VT-100 switch

by mattislind＠gmail.com

I know that this an old thread, but I had another VT100 with broken power switch and so I dug up what I used to buy. This has quick connect tabs so it is needs no modifications to fit. It has a metal handle and feels quite sturdy. https://www.mouser.se/search/ProductDetail.aspx?R=0virtualkey0virtualkeyST2… 2017-08-29 22:25 GMT+02:00 E. Groenenberg via cctalk <cctalk at classiccmp.org> : > > Thanks for the info. > I'm in the Netherlands, so no Home Depot branch here, but now I have seen > the picture of the replacement I can look locally or check with > digikey/farnell to see what they have in their catalog of switches. > > Regards, > > Ed > -- > Ik email, dus ik besta. > > > On Tue, August 29, 2017 21:47, Santo Nucifora via cctalk wrote: > > I've replied to this and helped someone else out before as it seems to be > > a > > frequent question. > > > > I've replaced two VT-100 switches with chrome "bat" handle switches from > > Home Depot in Canada shown here: > > https://www.homedepot.ca/en/home/p.t...000104171.html > > <https://www.homedepot.ca/en/home/p.toggle-dpst-20a-125vac- > of-1cd.1000104171.html> > > The one at the USA Home Depot is here: > > https://www.homedepot.com/p/Gardner-Bender-20-Amp-Double- > Pole-Toggle-Switch-1-Pack-GSW-14/100149490 > > > > I had to remove the screws and filed the terminals down a little because > > the terminals were a little wider than the original connectors but it > > works > > like a charm and will not break. It is almost a direct replacement > (except > > for the terminals needing some filing). > > > > You can probably pick one up on the way home if you are in North America. > > > > Hope this helps. > > Santo > > > > On Tue, Aug 29, 2017 at 3:38 PM, John Wilson via cctalk < > > cctalk at classiccmp.org> wrote: > > > >> On Tue, Aug 29, 2017 at 09:04:11PM +0200, E. Groenenberg via cctalk > >> wrote: > >> >Does somebody maybe have a spare switch of a VT-100 (the one at the > >> back)? > >> > >> If you get stuck, there's a switch that's made as a replacement part for > >> Fender guitar amps which, apart from having a metal handle instead of > >> plastic, is a very close match to the VT100 power switch. Really it's > >> what DEC *should* have used ... > >> > >> John Wilson > >> D Bit > >> > > > >

7 years, 1 month

Computing Pioneer Dies

by barythrin＠gmail.com

Can ya blame him? Back in his day 2s were *real* 2s.. bigger and tougher. You try and add 'em up, assuming they'd stay still long enough and stop wrastlin' with ya and who knows how big they'd be. -------- Original message --------From: Evan Koblentz via cctalk <cctalk at classiccmp.org> My own father does this and it drives me crazy. I'll say, "2+2=4" and he'll say, "I believe it's 5" ... DAD IT DOESN'T MATTER WHAT YOU FRIGGING BELIEVE, 2 PLUS 2 IS STILL 4!!!!!!

7 years, 1 month

HP 2640 character set generation manual in the UK

by curiousmarc3＠gmail.com

The link below is from the computer museum in Cambridge, UK, which seems to have a copy of an HP 2640 terminal manual I am looking for. Is anyone from that museum on the list? Does any of the UK members know them? http://www.computinghistory.org.uk/det/14373/HP-2640-Series-Character-Set-Ge neration/ Does anyone on the list have a copy of this manual? Marc

7 years, 1 month

DEC 19" racks

by emu＠e-bbes.com

Hi all, anybody in Denver area is looking for some? (6 foot tall, grey) pickup only.

7 years, 1 month

TEk4052/54 Diagnostic Rom pack docu available

by jos.dreesen＠greenmail.ch

There are a few people out there struggeling with their 4052's : On ftp.dreesen.ch/FTP/TEK4052 they will find description, schematic, pictures and romdumps for the Diagnostic ROM pack, as used by the TEK engineers in the day. Also listed are the the TEK-supplied CRC's for all ROMS in the 4052/54 systems. No special components used, so nothing to stop you building your own Diagnostic pack. If anyone does so they can contact me if they need further info. ?Jos

7 years, 1 month

OT: Trying to fix my account

by isking＠uw.edu

Sorry for the spam - I'm trying some ideas to see if I can figure out why I don't get cctalk/cctech messages anymore (for about a month now). -- Ian -- Ian S. King, MSIS, MSCS, Ph.D. Candidate The Information School <http://ischool.uw.edu> Dissertation: "Why the Conversation Mattered: Constructing a Sociotechnical Narrative Through a Design Lens Principal Investigator, "Reflections on Early Computing and Social Change", UW IRB #42619 Archivist, Voices From the Rwanda Tribunal <http://tribunalvoices.org> Value Sensitive Design Research Lab <http://vsdesign.org> University of Washington There is an old Vulcan saying: "Only Nixon could go to China."

7 years, 1 month

Computing Pioneer Dies

by jnc＠mercury.lcs.mit.edu

> From: Dave Wade > ENIAC had been configured in stored program mode earlier in the year > and had run a program stored in the function switches, e.g. ROM > ... > Despite the fact that when running stored programs ENIAC's parallel > processing features were not available, it was exclusively in this mode > from 1948 onwards. This may have been mentioned here already, but if not, there's a good new book out which covers this phase of ENIAC's existence in considerable detail: Thomas Haigh, Mark Priestley, and Crispin Rope, "ENIAC In Action: Making and Remaking the Modern Computer", MIT Press, Cambridge, 2016 It's a very interesting and well-done book; I highly recommend it. > From: Brent Hilpert > The best that can be said for your position is that you (and the > ENIAC/Mauchlyite crowd) have a particular opinion and definition > regarding 'stored-program computer'. I'm harly a member of the "ENIAC/Mauchlyite crowd" (in fact, I used to not have a good impression of them at all), but I thought Haigh et al made a pretty good case. Noel

7 years, 1 month

VCF PNW (Feb 2018): Second call Exhibitors and Speakers

by mbbrutman＠brutman.com

In case you missed it we (the Vintage Computer Federation) is putting together a Vintage Computer Festival (VCF PNW) at the Living Computer Museum+Labs in Seattle. We are actively looking for exhibitors and speakers for this new show. The show will be held February 10th and 11th, 2018. We are not planning to charge for admission to the show so visitors will be able to enjoy the museum, the exhibits, speakers and the consignment area all for the normal cost of museum admission. We would like to get exhibitor registrations wrapped up by the end of November so that we can move to the next stage of planning. If you have an idea for an exhibit and would like to hang out at the museum for two days talking vintage computers then consider signing up today. Have an interesting topic for a presentation? We need those too ... Newbies need not be scared; I'm new to this as well. More information can be found at http://vcfed.org/wp/festivals/vintage-computer-festival-pacific-northwest/ . Please email me directly if you have questions or need encouragement. Regards, Mike Brutman michael at vcfed.org

7 years, 1 month

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test-drb November 2017