test-drb September 2020

test-drb@ccmp.vtda.org

118 participants
99 discussions

Seeking "MEGATEK" Sun 3/4 era (?) VME Graphics accelerator information and driver

by ian.finder＠gmail.com

I picked up a pair (1 set) of these very neat old graphics boards. Alas I have no idea what they are or if there is hope of using them. One is a dual slot 9U VME board that has gobs of video ram all over it, including a board labeled Z buffer. The only output are (3) BNC connectors (R,G, and B) and a 50 pin connector marked P4. The other is a single slot 9UVME board with (8) 30 pin SIMM slots with 1mb SIMM in them, a couple of Weitek chips, another 50 pin connector labeled P4, jumpered with a baby backplane to the other board, and 6 led on the front. Anyone know what these are and where to get drivers? They appear to be Sun 3 era, and the boards are labeled ?Sun OHC? with a megatek sticker. They do not appear to work out-of-box in my 3/260 as console devices- the Kernel does not identify them correctly. Thanks.

5 years

What's the secret to LK201 leaf springs?

by athornton＠gmail.com

I got an LK201 recently that was a little damaged in transit. A couple of the keycap assemblies and their corresponding leaf springs have come off. I can see how the leaf springs fit on the little posts on the keycap assemblies, and I can see where those snap into the board, but what I don?t see is how to get that put together and then keep it together while I turn it over and then get it in place. Clearly there is some simple trick I am missing. What is it? Adam

5 years

What's the secret to LK201 leaf springs?

by marvin＠west.net

One thing I've tried and seems to work quite well (on another application) is UV curable plastic. The last thing I fixed was when the post holding one side of the exit paper tray broke off, and I used the UV curable plastic to fix it (still working just fine.) The trade name is Bondic, and I ran across it on a YouTube ad (first time EVER I bought something from an unknown YouTube ad!) This apparently is the same type of UV curable "glue" used by Dentists. It cures in about 4 seconds! > My guess is that the formed over part has broken off (you might find > some little white disks of plastic, about 1/8" diameter, rattling > about inside the case). Alas I have never found a way to re-fix them. > There's not enough plastic in the housing to drill it out and fit > screws/nuts. There is no way of gluing something to the ends of the > posts that would be strong enough, > > -tony

5 years

Fwd: [GreenKeys] Teletype 33 near Phoenix AZ

by jfoust＠threedee.com

> >From: Joe Clanin <macbax1 at gmail.com> >Date: Sat, 12 Sep 2020 04:56:27 -0500 >To: greenkeys at mailman.qth.net >Subject: [GreenKeys] 28KSR, 26, 33 For Sale Near Phoenix, AZ > >I have no affiliation with the seller, just passing it along. > >28:? <https://phoenix.craigslist.org/evl/ele/d/mesa-teletype-model-28/7194476271.…>https://phoenix.craigslist.org/evl/ele/d/mesa-teletype-model-28/7194476271.… > >26:? https://phoenix.craigslist.org/evl/ele/d/mesa-teletype-model-26/7194473134.… > >33:? <https://phoenix.craigslist.org/evl/sys/d/mesa-teletype-model-33-ksr/7184200…>https://phoenix.craigslist.org/evl/sys/d/mesa-teletype-model-33-ksr/7184200… > >-Joe >__________

5 years

What I've been doing lately

by dave.dunfield＠gmail.com

Hi everyone, Might not be exactly classic computer related, but I know many of you have been following my progress through my recovery (thanks for the many kind words), and I do think many of you might find this a tad interesting. What I've been doing for the past little while - check out my latest project "Dunfield Virtual Machine" on my personal web site: http://dunfield.maknonsolutions.com Regards, Dave -- ---------------------------------------------------------------------------------- Personal site: http://dunfield.maknonsolutions.com ----------------------------------------------------------------------------------

5 years

article on TRS-80 in Nuts and Volts

by w2hx＠w2hx.com

Don't know if anyone gets/reads this old rag but I thought I'd share an article I came across: https://www.nutsvolts.com/magazine/article/the-trs-80-model-1 73 Eugene W2HX

5 years

Old DEC mice for sale

by sales＠elecplus.com

My friend Lidan at Continental Computers found some old DEC mice in his warehouse for me. These are in California. 3x VS10X-EA - $120 each (used complete) 1x VS10X-EA - $75 (missing 3 button caps) 1x VSXXX-AA - $125 (NEW in box) 3x VSXXX-AA - $75 (used complete) Lidan Sadon Sales Manager Continental Computers D - 310/906-3553 C - 818/554-8856 lidan at conticomp.com Please contact him directly if you want to order these. I had no idea old DEC mice were so expensive! Cindy -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

5 years

Virtual VCFMW Schedule Posted

by tdk.knight＠gmail.com

aww damn ill be 30miles in the bush at work for 3 days On Thu, Sep 10, 2020 at 4:12 PM Lawrence Wilkinson via cctech < cctech at classiccmp.org> wrote: > -------- Forwarded Message -------- > Subject: Virtual VCFMW Schedule Posted > Date: Thu, 10 Sep 2020 16:08:39 -0500 > From: Jason T via cctalk <cctalk at classiccmp.org> > Reply-To: Jason T <silent700 at gmail.com> > > > > Hi folks - we're doing this thing! The schedule is up, with links to > the individual videos being filled in by tomorrow evening: > > https://mailchi.mp/222b57fb03dc/virtual-vcfmw-schedule-posted > > The videos will be presented in sequence using YouTube's "Premiere" > function, which means there will be a live chat on the YT page where > (ideally) the video creator will chat along and conduct a Q&A during > and after. There is also an all-day open chat on a linked IRC/Discord > channel. Details are on our page here: > > http://vcfmw.org/virtual.html > > Hope you can join us online for a day of chatting and classiccmp video fun! > > -jt >

5 years

Virtual VCFMW Schedule Posted

by silent700＠gmail.com

Hi folks - we're doing this thing! The schedule is up, with links to the individual videos being filled in by tomorrow evening: https://mailchi.mp/222b57fb03dc/virtual-vcfmw-schedule-posted The videos will be presented in sequence using YouTube's "Premiere" function, which means there will be a live chat on the YT page where (ideally) the video creator will chat along and conduct a Q&A during and after. There is also an all-day open chat on a linked IRC/Discord channel. Details are on our page here: http://vcfmw.org/virtual.html Hope you can join us online for a day of chatting and classiccmp video fun! -jt

5 years

ISO: DEC VR100 and early X releases

by derschjo＠gmail.com

Hi all -- I was fortunate enough to be able to complete my VAXstation 100 setup this week, after a years-long search for parts. (In particular the M7452 fiber optic interface and the fiber optic cabling itself.) After futzing with the 4.3bsd kernel and compiling X10R4 on my VAX-11/750, I actually have it running! (See the below for a picture) https://1drv.ms/u/s!Aqb36sqnCIfMo_cUO4EiMWOHZVk8yg I'm kind of amazed that it all just worked after all this time. As you can see, I'm using an LCD for the display, and that just won't do. The official monitor for the VS100 was the VR100; a 19" monochrome CRT with BNC inputs on the rear for H and V sync and the video signal (ttl level signaling). Anyone have one of these? I'm also looking for earlier releases of X to run on this -- the VS100 was the development platform for X (and W ran on it at one point as well). I haven't been able to track down anything prior to X10R3. Does anyone know of an archive of these earlier releases? While I'm at it -- anyone know precisely what I need to use this under VMS? I believe 4.7 was the last VMS release that supported it, but there were additional packages that needed to be installed to support it, and I'm not entirely sure what they are. Thanks as always, Josh

5 years

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test-drb September 2020