test-drb August 2018

test-drb@ccmp.vtda.org

112 participants
131 discussions

Fairly Extensive Singer/Friden "System Ten" Computer System for Rescue

by tshoppa＠wmata.com

I had been told for decades that there was a flight simulator that used a Singer System Ten and that United Airlines operated it outside Chicago for some unreasonably long time. This was "Urban Legend you wouldn't believe it but that's what the bosses wanted" stuff back in the 1990's. Using a business computer (especially one that looked like an overgrown Frieden calculators from the 1960's) to run a flight simulator always seemed odd to me, to the point of making the story not quite believable. Other Singer-Link flight simulators that I knew of, used GP4's or Sigma-5's and then the Sigma-5 clones. Tim N3QE

6 years, 4 months

Pdp 11/34 System for sale in Riverside,ca

by wayne.sudol＠hotmail.com

http://www.ctonlineauctions.com/detail.asp?id=746466 >From the pictures it looks to be a fairly complete system with Kennedy tape drive. Has a System industries controller but doesn't appear to have a disk drive. I'd love to have it, but my wife would kill me if i brought something that big home. I hope someone in the Riverside area on this list ( Mark Blair ? ) can acquire it. I have no affiliation with the seller. Wayne

6 years, 4 months

Historic IBM memory tech

by peter＠vanpeborgh.eu

Vintage techie guys and girls, Do any of you know where I could get hold of IBM 3850 Mass storage and IBM 2321 Data cell media? 1960s-1970s. See: https://en.wikipedia.org/wiki/IBM_3850 https://en.wikipedia.org/wiki/IBM_2321_Data_Cell If you do, I would like to get hold of one of each. Many thanks, Peter || | | | | | | | | Peter Van Peborgh 62 St Mary's Rise Writhlington Radstock Somerset BA3 3PD UK 01761 439 234 || | | | | | | | |

6 years, 4 months

ISO: Blue (usually) Silicone? tape retainer material

by cclist＠sydex.com

Another open-reel tape query for the experts. I recall that new tapes would often come with a strip of (usually blue) silicone-ish tape to retain the end of the tape. I've got a couple of strips here and I'll swear that I've seen the stuff in other applications, but memory fails me. It's not sticky in itself, but sticks quite nicely to mylar tape. Easily removed and indefinitely reusable. I think I've seen it in kids' toys of the era, where various patterned pieces were cut from the stuff and assembled on something akin to a whiteboard. Does this ring any bells with anyone? Do you know what the stuff is and where I can get some? Thanks for any help, Chuck

6 years, 4 months

Computer tape quantities in the 70's or 80's?

by tshoppa＠wmata.com

Chuck writes: > I'd probably start with the US Commerce Department. In their industrial > report summaries, the product code is "36950 11" > e.g.: https://tinyurl.com/y8ks3mdd for 1987-88 Wow, Chuck, that is fascinating info that I had no idea was so easily accessed. Thank you! It looks like the tape production in the 80's was 30M to 40M reels per year so my guess at 100M was high but not too far off. I super like some of the product codes just on those pages. E.g. 35711 22 is Analog Computers, and 35751 75 is Teleprinters under 20 characters per second (e.g. Model 33's which saw a steep decline through the 1980's. I'm guessing they would've peaked in the early 70's.). Tim N3QE

6 years, 4 months

PC04 cables

by jnc＠mercury.lcs.mit.edu

> can I appeal to anyone who has, or can point me at, documentation for > the connection of the PC04 to _other_ PDP-8 models please lend a hand - > _especially_ if you have paper documentation which is not available > online? The other thing I'm looking for is anything about the earlier version of the reader, the one that used the stepper motor to strobe the data, instead of the feed holes. I've seen references to this in the DEC documentation, but other than that, I have nothing on it. Noel

6 years, 4 months

Wanted: Exidy Sorcerer CP/M cart or disk

by tosteve＠yahoo.com

Hi, I need CP/M, either floppy or cart based, for my Exidy Sorcerer. I want to format and use the floppy drives - I have the S-100 expansion and interface card. I?ll make copies and return your disk if you have one. Thanks- Steve.

6 years, 4 months

Pair of Portmaster II's

by db＠db.net

I have two Livingston PM-11's (http://portmasters.com/faq.html) and I haven't needed either of these in a long time. Is anyone interested in them? Diane -- - db at FreeBSD.org db at db.net http://www.db.net/~db

6 years, 4 months

RQDX3 formatter

by cc＠informatik.uni-stuttgart.de

Where do you patch the ZRQCH0 binary to use different geometries for non-DEC drives with a RQDX3? As it seems it should be possible, but noone has told how to do this ;-) Christian

6 years, 4 months

Australian Computer Museum in trouble.

by geremin＠iprimus.com.au

Australian COMPUTER MUSEUM -- Dispersal Days -- Villawood NSW. We have been told that BULLDOZERS will demolish our Villawood storage space in 2 weeks. We have yet to find a suitable/affordable alternate space so ... "OPEN DOOR DAYS" The old fruit shop at 888 Woodville Road, VILLAWWOOD, will be open for anyone who cares to come and take anything away and help preserve our computing heritage. Hours: Sat 28th/Sun29th 9am to 9pm, then Monday-Friday 10am to 10pm, repeat the next week. Off-street parking, easiest access is from south (Hume Hwy), see Google Maps. Bring your Car, Van or Ute and enough muscle to help empty our shed. Please tell your friends and/or work colleagues. -- <b>John GEREMIN, Honorary Treasurer, 0427 10 20 60.</b> Australian Computer Museum Society Inc. PO Box 4005, Homebush, NSW, 2140. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

6 years, 4 months

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test-drb August 2018