test-drb July 2016

test-drb@ccmp.vtda.org

190 participants
243 discussions

"FIRST"??!? (Was: word processor history -- interesting article

by COURYHOUSE＠aol.com

Many people used program editors to write articles and books in the early days! Myself included... Ed# In a message dated 7/6/2016 1:43:21 P.M. US Mountain Standard Time, jnc at mercury.lcs.mit.edu writes: > From: Fred Cisin > the first person to use a word processor was probably typing business > letters and/or legal documents, which is what they were developed for. Depends what you mean by "word processor". If you mean 'software intended to format text', you need to look back to things like TJ2: https://en.wikipedia.org/wiki/TJ-2 and 'runoff', both circa 1963. Much earlier than any of the 'word processors' this person wrote about. Noel

7 years, 10 months

Front Panels - PDP-8/i Help!

by rodsmallwood52＠btinternet.com

Hi Guys, I have a nice big batch of PDP-8/i panels in production. I really need a real original panel to check against. Can anybody lend me one? Rod (Panelman) Smallwood

7 years, 10 months

Front Panels - New development - Bezels

by rodsmallwood52＠btinternet.com

Hi Guys We are able to-announce the successful test production of a PDP-8 Bezel in cast resin. The result is tough, beige colored, slightly flexible copy of the original. Bonding the panel to the bezel or adding internal stiffening brings rigidity. Painting matches the color. This will be part of our MakeAnEight parts for reproduction or repair range. Rod (Panelman) Smallwood

7 years, 10 months

UNIBUS M9312 ROMS

by billdegnan＠gmail.com

Posted an inventory of my M9312 ROMs http://www.vintagecomputer.net/browse_thread.cfm?id=638 b -- @ BillDeg: Web: vintagecomputer.net Twitter: @billdeg <https://twitter.com/billdeg> Youtube: @billdeg <https://www.youtube.com/user/billdeg> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>

7 years, 10 months

Repairing a Supermicro P6DLF motherboard

by tothwolf＠concentric.net

I'm currently in the process of repairing a Supermicro P6DLF motherboard which suffered shipping damage and I'm trying to find anyone else who might have one. I can't find any photos of one of these boards online (except for the one I recently purchased) and the board I have shows possible signs of prior rework that I'm trying figure out. The electrolytic capacitors on this particular board at locations CE1 and CE6 have Sanyo OS-CON 220uF 10V polymer parts (purple sleeve and appear to be 10SA220M) fitted and the solder work was done by hand. The joints were completely defluxed/cleaned, but the leads were hand sheared down into the solder joint. All of the other electrolytic capacitors on this board are Sanyo CG series 1000uF 16V (green) that were wave soldered. I suspect two of the Sanyo CG series parts were replaced at some point by a prior owner with the SA series polymer parts. According to the SA series datasheet, the largest 10mm diameter part is 220uF 10V, which may be why those were installed. I haven't used one of these boards since the late '90s when I built a workstation with one, and I can't remember with 100% certainty that Supermicro didn't use a few polymer parts on these boards. If anyone else has one of these boards and can physically check it to see what parts are installed, it would be really helpful. Many of the original Sanyo CG series parts were trashed on my board when it was shipped in one of those thin USPS Priority boxes, so I'm going to end up replacing all of them. If the two OS-CON parts turn out to be not original, I'll fit the correct value parts in those two locations while I'm at it.

7 years, 10 months

word processor history -- interesting article

by cctalk＠snarc.net

All about some of the earliest people to write books using word processors. http://www.theatlantic.com/technology/archive/2016/06/how-to-write-a-histor…

7 years, 10 months

"FIRST"??!? (Was: word processor history -- interesting article

by jnc＠mercury.lcs.mit.edu

> From: Fred Cisin > the first person to use a word processor was probably typing business > letters and/or legal documents, which is what they were developed for. Depends what you mean by "word processor". If you mean 'software intended to format text', you need to look back to things like TJ2: https://en.wikipedia.org/wiki/TJ-2 and 'runoff', both circa 1963. Much earlier than any of the 'word processors' this person wrote about. Noel

7 years, 10 months

VCF West exhibitor deadline -- Friday

by cctalk＠snarc.net

VCF West is Aug. 6-7 at the Computer History Museum in Mountain View, California. There are 25 exhibitors so far. Want to add to that total? Please click here -- http://vcfed.org/wp/festivals/vintage-computer-festival-west-xi/vcf-west-ex… -- the deadline is this Friday at midnight.

7 years, 10 months

Source for server lift/hoist?

by COURYHOUSE＠aol.com

just have to know what to ask google for https://www.grainger.com/category/ecatalog/N-1z0dxrh In a message dated 7/4/2016 3:58:05 P.M. US Mountain Standard Time, jnc at mercury.lcs.mit.edu writes: So there was some discussion a while back about using lifts to put heavy gear in racks. I'm going to be doing some of that soon, and I was wondering how I'd go about acquiring something like that at a non-exorbitant price? (eBait was not useful, and Googling "user server lift" didn't produce anything either.) Any ideas? Noel

7 years, 10 months

M7237 KJ11-A Stack Limit Register scans

by jnc＠mercury.lcs.mit.edu

There was some recent discussion of the need for M7237 (KJ11-A Stack Limit Register) boards, and I said I had one, and could scan it (for the PCB traces - they aren't in the FMPS) if someone wanted to duplicate it; I had a request for same, so scans are now online, here: http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/PDP-11_Stuff.html It will be a little bit of work to produce PCB artwork, since some of the traces dive under chips (and I'm not about to lift the chips :-), but from the prints (in the 11/40 print set, page 112) it should be easy to work them out. Noel

7 years, 10 months

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test-drb July 2016