test-drb April 2012

test-drb@ccmp.vtda.org

195 participants
233 discussions

by fraveydank＠gmail.com

This is vintage for certain values of vintage, but I suppose this is as good a forum to ask as any. I suspect it's a little too new/esoteric for most people here, since it's really only about 5 years old, but it's right before the series went downhill, which is certainly a common enough topic of discussion around here. :-) I have two NIB (sealed) copies of Filemaker Pro 6, one for Windows and one for Mac. I additionally have one opened upgrade copy of Pro 7, but to my recollection it hasn't actually been used (because we didn't realize it was an upgrade before we opened the box). All should be 100% legal and ethical to use. Anyone want? Free to a good home. Pro 6 was a nice version of Filemaker, 7 maybe slightly less so. - Dave

12 years, 7 months

Fujitsu Super-Eagle SMD-drive documents

by p.gebhardt＠ymail.com

Hi everybody, does anybody have documents related to the Super-Eagle drives made by Fujitsu (Model M2361A)? Documents for the predecesor (namely Eagle, M2351A) have been around for quite some time on bitsavers.org, but strangely, though the Super-Eagles are not that rare, no online-versions of its decuments are around. The Super-Eagle is different in certain aspects compared to the Eagle, so using the Eagle-documents is not a solution. One of my drives to be used with a PDP 11/24 via an Emulex-Controller turns off itself 2 seconds after turing it on and I'l like to find the reason for that some day. Documents are usually of great help here :) Kind regards, Pierre ? ------------------------------------------------------------------------------- Pierre's collection of classic computers : http://classic-computing.dyndns.org/

12 years, 8 months

paper tape trays

by tdk.knight＠gmail.com

i'm going to be venturing down the road of making some is anyone interested in any prolly be july befor i have anything in stone got access to a vacuum molder and such but got to make molds first for it. when i talk trays i mean as close to a reproduction of the original DEC trays as i can get http://img299.imageshack.us/img299/5597/data.jpg

12 years, 8 months

Arduino vs 555 reliability

by bob＠theadamsons.co.uk

> My expeirence is that more compelx ICs are noticably less reliable than > simple ones. That's much too simple analysis even if it were correct. Failure rates in ICs are primarily down to processing, packaging and handling (and to a lesser extent die area), not complexity. > > I would think the 555 had a much better lifetime than any > microcontrolelr > therefore. You would be wrong however. Today's ICs have a much better lifetime. Statistically today's commercial grade ICs have a significantly better lifetime than military grade ICs of the 555 era. > > The origianl 555 (as opposed to the 7555, etc) is large-ish junciton > bipolar and thus less likely to suffer static damage than a MOS > microcotnroller. It also has a much wider supply votaeg range and is > less > likely to be damaged by supply problems. That's not a definition of reliability - it's one of robustness. Within their specifications the 555 would be less reliable (IMHO of course). > > And of coruse if a microcontroller fails, unless you have the program > to > put into it, you're stuck. If a 555 fails, well, there's a tube of 50 > in > my spares box. And I cna go to any number of suppliers anf buy one. > Agreed, but off-topic ;o) > -tony > Bob

12 years, 8 months

cctech Digest, Vol 104, Issue 44

by jonas＠otter.se

Tony Duell and <unknown> wrote: > >> > How coome 2 of use here (at least) seem to have contradictory = >> findings? >> >> Because it's anecdotal. BTW here's the definition: >> (of an account) not necessarily true or reliable, because based on >> personal accounts rather than facts or research > > By the same token, your evidence is anecdotal to me. You have not > provided (for perfectly valdi reasons) any hard data, and certainly > not > any hard data that I can verify. OK, I haven't either. > > But I ahve to say that while you may not beleive what I see, I > certainly > do. I know what components I rpelace... > >> Fine. There's lots of things that I've started to say on this list >> to = >> deal with an >> argument and couldn't because it would violate various NDA's that I >> have = >> to >> live under (I kinda like my job). Arguments on this (and other >> fora) = >> while >> fun aren't worth sacrificing my livelihood. >> >> I'm sorry if you can't/won't understand how large companies work and >> the >> restrictions that are put on employees and the products (though some >> = >> have > > I mosster certainly understnad that (having signed a fair few NDAs in > my > time too, and yes, I do honour them). And that's the 'valid reasons' > I > mentioend. > > But to be fair, if I can't verify the data, why on earth should _I_ > beleive it? You could be telling me anything. > > -tony Now this is getting silly. There is no point in trying to say that what Tony is seeing is wrong: unless he is psychotic he is actually observing something that really has happened to him. And all that "I have this fancy job in industry and I have signed lots of NDAs, so I am important, while Tony is just a geek living with his parents" is a) rude and patronising and b) hiding behind these NDAs you claim to have signed. So go out and find publically available research reports or whatever on the Internet to prove your point, instead of trying to impress us with smoke and mirrors. However I think <unknown> is probably right in one respect about modern computers being more reliable: considering the complexity of a modern $500 PC, it is probably much more reliable than anything made in the '70s *at a corresponding price for the period*, i e today's cheap junk is more reliable thatn cheap junk from the '70s and '80s. OTOH Tony is also right that old computers were/are at least as reliable: they were better made than today's cheap junk. /Jonas

12 years, 8 months

Prototype PCBs?

by elson＠pico-systems.com

> > > Date: Tue, 24 Apr 2012 21:29:22 -0500 > From: Jim Brain <brain at jbrain.com> > > Message-ID: <4F976182.50500 at jbrain.com> > > Anyone know an inexpensive source for prototype DIY circuit boards? > From time to time, I like to use them to prove out ideas, and I'm > running low on stock. > I have been using E-Teknet in Arizona for some time. They are not the cheapest, but they are very good. The match your board characteristics with the best shop in China to make it. I've never had a bad board from them, and I have done everything from two-layer boards smaller than a postage stamp to 6-layer boards the size of a full sheet of paper. If you order 4 or less they don't charge you for the testing. Jon

12 years, 8 months

Fwd: Query Any TI-961 experts?

by rpartridge1949＠gmail.com

Hello, Is this message still valid? Regards, Richard

12 years, 8 months

Less than 2 weeks until VCF East!

by evan＠snarc.net

Hellooooooooooooooo world. Vintage Computer Festival East 8.0 is less than two weeks from now: it happens on May 5-6, 2012, at the InfoAge Science Center (2201 Marconi Rd., Wall, New Jersey, USA.) This year's VCF East will be the biggest ever. As of last weekend, we're up to six lectures, eight technical workshops (the newest being an all-weekend, kid-friendly "learn to solder" class), and two dozen hands-on exhibits. You'll also find our book sale, consignment sale, lunch, museum tours, prizes, and more. This year's lectures are highlighted by keynotes at 12:30 each day. Saturday's keynote is Dr. Thomas Kurtz, who co-invented the BASIC programming language. Sunday's keynote is Daniel Kottke, who was Steve Jobs' college buddy, India travel companion, Apple 1 board debugger, and Apple II, III, and Macintosh engineer. We are thrilled that Kurtz and Kottke accepted our invitations! Admission to VCF East 8.0 is very inexpensive. Adult tickets are just $10 per day and $15 for the whole weekend. Anyone 17 and younger are admitted free. Tickets are sold at the door. Directions, lodging, and related details are also on the VCF web site at http://www.vintage.org/2012/east/ and be sure to 'like' us at http://www.facebook.com/vcfeast8. All questions, such as admission, how to exhibit, how to become a VCF sponsor or vendor, etc., as well as any other questions from the public and from media, should be addressed to event producer Evan Koblentz -- evan at snarc.net, or call him at (646) 546-9999. Proceeds from the VCF East 8.0 benefit the InfoAge center, which is a grassroots, all-volunteer educational facility, and the MARCH user group (Mid-Atlantic Retro Computing Hobbyists). Thanks, and we hope to see you at the VCF East!

12 years, 8 months

MicroSD: one good ripoff deserves another / Iomega Zip's

by jlobocki＠gmail.com

On Sun, Apr 22, 2012 at 4:36 PM, Zane H. Healy <healyzh at aracnet.com> wrote: > At 3:32 PM -0400 4/22/12, Dave McGuire wrote: > >> On 04/22/2012 03:22 PM, Fred Cisin wrote: >> >>> Compact-Flash seems to have almost disappeared. >>> >> >> Huh? Not at all. It is the mainstay of pro-level digital camera >> work. It has just disappeared from consumer-shit-grade stuff because it >> >> is "huge". Heh. (still aching from moving an RK07 last night, and >> that's on the "light" side of my stuff!) >> >> -Dave >> > > To the best of my knowledge the only Pro-level digital camera that doesn't > use Compact-Flash is the Leica M9 (trust me, there is no room in there). > What sucks is that Costco no longer carries it in the stores (at least not > my local ones). > > The new Nikon D4 has two slots, one for the older Compact-Flash cards, and > one for the new XQD cards. http://en.wikipedia.org/wiki/**XQD_card<http://en.wikipedia.org/wiki/XQD_card> > I use a SD to CF adapter in my canon digital rebel without an issue, as I can no longer find CF (I also haven't tried a camera store but they are probably a ripoff...)

12 years, 8 months

Looking for: Venix books

by bub7734＠yahoo.com

js at cimmeri.com wrote on Mon Apr 23 21:47:23 CDT 2012: > Does anyone have any Venix manuals they're no longer needing that they'd > like to sell? > > I'm running Venix 1.0 on a DEC Pro 350.? The manuals for this version > would be dated 1984 - 1986. I haven't the Venix 1.0 or Pro version manuals. What I do have are the Venix/11 2.0 manual set as well as the base (root) distribution on 9-track tape.?? Unfortunately, the second distribution tape with the /usr filesystem has gone missing. Does anyone else on the planet have the Venix/11 2.0 tapes? Please let me know if you do. Cheers, -scott

12 years, 8 months

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test-drb April 2012