test-drb June 2016

test-drb@ccmp.vtda.org

196 participants
290 discussions

by dj.taylor4＠comcast.net

There is a Teletype printer on ebay, the seller is in Virginia. Ebay item 231990393069 The auction title is: 1966 - Vintage Antique TELETYPE INKTRONIC Receive Only Set TelePrinter Parallel

7 years, 10 months

KM11 uPB question

by fritzm＠fritzm.org

Hey folks, While working on my 11/45, I built up a KM11 replica based on Tom Uban's ExpressPCB layout. I noticed the following behavior when trying to use it in uPB mode on my KB11-A CPU: * If I set up uPB, set KM11 S1 on and S2 off, and resume execution, the breakpoint fails to stop the processor * BUT, if I depress and *hold* CONT, while it is held down the CPU will be held in T2 on the target microword * If I then reach over and flip on S2 before releasing CONT I can hold the machine there in T2 Documentation on the KM11 seems to imply that the machine should just stop at the target state holding in T2 without having to do the holding-down-CONT-while-flipping-on-S2 thing. I was wondering if this was an oddity of my KM11, my CPU, or is that just the way uPB mode works on these things? thanks, --FritzM.

7 years, 10 months

PDP-11/45 restoration running console emulator

by fritzm＠fritzm.org

Just wanted to share some joy here: after a months-long spare time restoration and debug process, the PDP-11/45 I've been working on booted to the M9301 console emulator last night (pic at http://fritzm.github.io/images/pdp11/m9301-running.jpg). Made me super happy to see that register dump an the "$" prompt :-) Next up will be using PDP11GUI to run more thorough diagnostics, then I'll be moving on to storage (RK05)... cheers, --FritzM.

7 years, 10 months

Force SPARC/CPU-5V-64-110-2 available.

by mattislind＠gmail.com

I have two Force VME boards with microSPARC CPU which I have no use for. SPARC/CPU-5V-64-110-2. 110 MHz. 64 Mbyte. https://imgur.com/a/4GWqB Trade for something interesting. /Mattis

7 years, 10 months

Model M Key Cap Replacement WAS: Keyboards and the Model M (was Re: NEC ProSpeed 386)

by cctalk＠ibm51xx.net

While on the subject anyone know where one can buy replacement key caps?? -Ali

7 years, 10 months

old friend is slimming down the warehouse

by connork＠connorsdomain.com

On Jun 24, 2016 1:11 PM, Jay West <jwest at classiccmp.org> wrote: > > Mike wrote... > ----- > ??? HP 262x terminals don't ship well.? The "ET" terminals must be packed > carefully. > ---- > That is very true. I could use one of those large black plastic pieces that > hold the monitor open. Mine broke'ted. > If you have the broken pieces and or a complete one I could possibly model it and 3D print it depending on size... We have the technology ;) -Connor K

7 years, 10 months

CDC 6600 - Why so awesome?

by earl＠baugh.org

This thread reminded me that I recently got shipped what the person told me was a CDC 6000 Central Memory core. (it matches what's on this page : http://www.museumwaalsdorp.nl/computer/en/6400hwac.html ). He told me that the console looked like this : http://research.microsoft.com/en-us/um/people/gbell/craytalk/sld031.htm I got it along with a box other parts (mostly Sun things) and a single "plane" of core memory from another module. (It connects the 6000 to the Sun 1's that I picked up in the past... some interesting history...good "over a beer" stories :-) ) I'm coming to VCF MW this year so if there is interest, I can bring it along... Earl

7 years, 10 months

acoustic coupler/modem available

by jwest＠classiccmp.org

Spotted this at a local surplus place today. it's an acoustic coupler/modem, white plastic case, manufacturer is "MI2" (with the 2 as a superscript, so I guess "MI Squared"). Never heard of them. No clue if it works, appears to be in fair condition, they have a price tag of $25 on it. J

7 years, 10 months

old friend is slimming down the warehouse

by stark＠mit.edu

You guys must have much larger apartments (or houses I'm guessing) than me.... I would really like a vt220 largely because it seems like it wouldn't occupy much space. I'm guessing they withstand shipping better too. -- Greg

7 years, 10 months

Other then being original is there any reason to get a RX02 ?

by pete＠petelancashire.com

Someday I want to have a PDP11 even if it is a QBUS version I can get a clean RX02 for about $150. When my life involved PDP11's starting with 34A and ending with 44's I never used one. -pete

7 years, 10 months

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test-drb June 2016