test-drb October 2000

test-drb@ccmp.vtda.org

184 participants
568 discussions

Tango Schematic capture, PCB layout and autorouting programs

by rigdonj＠intellistar.net

I was in a library book sale store yesterday and found the complete packages for Tango Schematic (schematic capture program), Tango Route Plus (autorouting program) and Tango PCB Plus (PCB layout program). These date >from about 1991. Has anyone used them? Are they any good? I was out of money so I went back early today to pick them but someone had taken the Tango Schematic. The funny thing is that all three were in a box together and they didn't take the other two. What's nore, they require a dongle and the dongle was in the Tango Route package so they can't even run the Schematic program. I went ahead and got the other two programs. Has anyone got a copy of Tango Schematic that they're willing to part with? Why was I out of money? Because they also had "Bit-Slice Design: Controllers and ALUs" by White and "Bit-Slice Microprocessor Design" by Mick and Brick and some other GOOD books and I spent my money on those first. FWIW both of these bit slice books are VERY good and very easy to understand. I highly recommend them. One of my other COOL finds there was a September 1977 issue of Scientific American. It's filled with articles about microelectronics (almost completely computers). There's also a LOT of ads from the various S-100 computer manufactures. BUT the coolest thing in it is an article (Microelectronics and the Personal Computer) by Alan Kay. Alan was one of the guiding lights at XEROX PARC. This article has a pile of pictures and information about XEROX's then experimental graphical computers. It even mentions a new pointing device called a mouse. Does anyone know what that might be? :-) Joe

23 years, 8 months

pdp11

by j_carter_courtney＠groton.pfizer.com

Hi: My company has a working pdp11 with disk drives and interface boards. It is now moving offline and to the disposition process. I believe that it will be moved to the trash unless someone will take it. We can not assume any responsibility for transportation but would be glad ot donate the pdp to a good cause. carter courtney

23 years, 8 months

Was it 110, 135, then 300?

by dhquebbeman＠theestopinalgroup.com

You left out 75 baud... And IIRC, didn't the IBM 2741 teleprinter use something like 147.5 baud? -dq > -----Original Message----- > From: Mike Ford [mailto:mikeford@socal.rr.com] > Sent: Friday, October 27, 2000 2:03 AM > To: classiccmp(a)classiccmp.org > Subject: Was it 110, 135, then 300? > > > What was the progression in modems? Was it 110, 135, then > 300, or were the > first two speeds pre modem technology? > >

23 years, 8 months

GTE Discrete Modem

by vcf＠siconic.com

Here are some pictures of the modem I mentioned yesterday. It is GTE labelled but was apparently manufactured by Sangamo Electric in West Union, South Carolina. http://www.siconic.com/crap/GTE_Discrete_Modem.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Front.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Label.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Rack.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Carrier_Detect_Card.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Receiver_Card.jpg http://www.siconic.com/crap/GTE_Discrete_Modem_Transmitter_Card.jpg It's about 9"x17"x5" and weighs maybe 20 pounds. Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org

23 years, 8 months

Looking for dead/broken Newton

by jruschme＠mac.com

All, I recently obtained a Newton MessagePad 120; unfortunately, it has the older 1.3 OS installed. Needless to say, I'd like to find a copy of the 2.0 ROMS. By any chance, would one of you have a dead or broken Newton 120 or 130 (NOS 2.0) with which you are willing to part? Thanks... <<<john>>> -- <HTML> <HEAD> <TITLE>mac.com</TITLE> </HEAD> <BODY> -- <BR> John Ruschmeyer <BR> jruschme(a)mac.com </BODY> </HTML>

23 years, 8 months

Anderson Jacobsen ADC 300 modem

by dhquebbeman＠theestopinalgroup.com

> On a recent surplus hunt, I picked up an Anderson Jacobson > ADC 300 baud acoustic coupler modem for $1. What a beauty - it's > in a wooden box with a flip-top lid and a brushed aluminum > interior panel. It has two DB-25 connectors, but one is used > to feed *in* the AC power (!). I haven't disassembled it yet. > I did a quick web search and one turns up in Megan Gentry's > collection. How old is this? It's serial number 759. Those are rather rare, in fact, it matches what I recall being described as the first A-J model. I have a later one that'd been through a flood and may be hosed; I paid $250 for it in 1980! It would go up to 600 baud using the Bell 202a encoding. I learned how to whistle the carrier tone by playing with it. I could not only whistle the carrier, but with a little modulation, I could get garbage to display on the screen of a connected terminal. Kept trying to learn to whistle "Hello" but whistling ASCII ain't whistlin' Dixie... ;-) -dq

23 years, 8 months

Q: Third-Party Unibus Memory Boards

by mbg＠world.std.com

>These are not documented in the DEC Field Guide (thanks to Megan for her >diligence in keeping it relatively current). >In the short term I'd like to find out the characteristics of these >cards, and their compatibility, in the longer term these 3rd party cards >should be added to the Guide. Please do send me what you can find out about them... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

23 years, 8 months

OpenVMS Hobbyist License Question

by ajp166＠bellatlantic.net

From: healyzh(a)aracnet.com <healyzh(a)aracnet.com> >Does anyone happen to have a list of what the various layered product PAKs >in the OpenVMS Hobbyist program go to? I'm specifically wanting to know >what the SQL-DEV PAK is for, but am interested in the rest if anyone has >such a list. SQL (Server Query Language) developers pak. Handy if you want to serve out databases. Thats one I'd like to play with. I'm tiring of SQL on NT and SQL on linux(posgrel or somesuch) is maybe next. Allison

23 years, 8 months

Anderson Jacobsen ADC 300 modem

by ajp166＠bellatlantic.net

From: John Allain <John.Allain(a)donnelley.infousa.com> >Anyway, as far as I can remember the thing had No IC's >in it. It was all discrete components and dozen(s) of >thimble sized things in it that I assumed were tuned >inductors. >Does this sound right? A Modem of completely analog >devices? They were analog right up to the 1200baud and even then there was a fair amount of analog up till DSP got cheap about 10 years ago. I have a 110/300 baud that was used with a TTY back before 78! nearly 11"x8"x2" box with a board crammed mostly with O-amps (709/741 types). Allison

23 years, 8 months

redaing dec-cdroms

by Fritz_Chwolka＠t-online.de

Hi... I have some DEC SOFTWARE documentation and libray CDROMS. I knew that dec uses a 512k block instead opg 2k block while raeding. Question .. it is possible under linux odr netbsd to read a dec cdrom with nec multispin 6x cddrives ? Greetings from Fritz Chwolka - Duisburg / collecting old computers just for fun at www.alterechner.de \

23 years, 8 months

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test-drb October 2000