test-drb November 2005

test-drb@ccmp.vtda.org

255 participants
692 discussions

OT: Lowest-power small server solutions( wandering farther )

by mamcfadden＠cmh.edu

Chuck wrote >Tangentially OT: > >I've got a friend who owns some rental property. When a tenant moves out, he replaces all >of the smoke detectors as a matter of routine. Because he doesn't want to be bothered >with replacing batteries, he equips all of them with 9v lithiums. I've arranged for him >to give me the castoffs, if they've been installed for only a year or so (which is quite >common). I've got the batteries installed in everything from my garage door openers and >metronomes to my DVM. Great stuff and best when you get it for nothing. One even serves >as backup for my lawn sprinkler system's clock. > Actually many smoke detectors have two 9 volt batteries one for the detector and one for the light. Since the light is rarely used the battery is basically new. Most people replace both batteries. I volunteer at a recycling center, we take household batteries, I have a little handheld tester and when things are slow I test the "donated" batteries. I have several shoe boxes full of batteries. I give the scouts some of the batteries, they camp every month all year. We had a donation last month of 4 cases of batteries that were date expired 2 months ago, new never opened, they still work great. It's amazing what is discarded. One side affect of recycling in a small town is everyone knows I also recycle/collect computers. They appear on my door step or are dropped off at the monthly recycling. One of my neighbors called up and offered me 2 PDP-11/70's and a VAX 11/785 from an engineering film. My wife was not very happy about the space they filled in the garage. Mike

19 years, 1 month

OT: Lowest-power small server solutions

by ajp166＠bellatlantic.net

> >Subject: Re: OT: Lowest-power small server solutions > From: "Chuck Guzis" <cclist at sydex.com> > Date: Wed, 02 Nov 2005 08:42:40 -0800 > To: cctalk at classiccmp.org > >On 11/1/2005 at 8:38 PM Scott Stevens wrote: > >>Any suggestions of a better battery (cheaper, mostly) to 'strap on' to Sun >>NVRAMs? I am going to use AAA lithiums on this machine, which should last >>forever, but they're a bit pricey. > >Why not just some plain old AA alkalines? You should get a couple of years >(i.e. shelf life)out of each set. > >--Chuck > Why not use a 2032 3V lithium coin cell? They are cheap and small too. For that backup use they should last years. Allison

19 years, 1 month

Arrived early for VCF, anyone around tonight?

by dwight＠ca2h0430.amd.com

>From: "John Allain" <allain at panix.com> > >> I'm staying in Mountain View, will be online all night. > >Probably too late, but >if I were in your situation, the things I'd attempt would be to > - try and see if Wierd Stuff at least is open past 7pm > - go to Computer Literacy and shop books, > - find decent homemade mexican food for dinner It is too bad that El Faro in old town Sunnyvale hasn't re-opened as they originally stated. They were one of the better places and not just for good margarita's. I think they had earthquake retrofit issues :( Dwight > - See what unique local computer magazines they have > at the MegaChainBookStore > >Enjoy, >John A. >area resident 1986-1990 >

19 years, 1 month

What are your favorite electronic/computer surplus stores in the Bay area

by dwight＠ca2h0430.amd.com

> >Hi Everyone, > >I'm coming in to Mountain View this Friday (from Calgary, Canada) for VCF 8.0 and I was wondering what are people's favorite computer/electronic surplus stores to visit. I remember a tread about it many months ago but I'll be damned if I can't find it. > >Many thanks! > >Gary Fisher > Hi Gary On my list for the Sunnyvale area are HSC, Anchor Electronics, WeirdStuff, and of course Fry's electronics. Dwight

19 years, 1 month

FPGA VAX update

by ajp166＠bellatlantic.net

> >Subject: Re: FPGA VAX update > From: "Chuck Guzis" <cclist at sydex.com> > Date: Wed, 02 Nov 2005 12:38:24 -0800 > To: cctalk at classiccmp.org > >On 11/2/2005 at 2:55 PM Allison wrote: > >>Ego a 16bit machine September 1985. There was another article whose >>focus was microprogramming vs sequential machine control and that used >>the TOY1 archetecture. There were others described in TCJ Dave Brooks >>simplex III comes to mind. There are others. > >Hmmm, my recollection is of an 8-bit machine pre-1985. I recall that it >was benchmarked against a 4MHz Z80A. Not in byte or KB. Though there was an 8080 in 2900 form that was faster than a real 8080. >My first attempt at building a semiconductor computer was back in the late >1960's. Using RTL (no DIPs, just TO-86 flat packs), I managed to get a >12-bit ALU and accumulator done before I lost interest. I recall using a >lot of diodes to save on logic costs. I think I still have a couple of >the Fairchild 8-bit (1x8) addressable latch in a TO-100 package that were >going to form the basis of my register file. I believe it required a 7v >clock. Sounds like some of the old PMOS stuff. The nicest one I've done in TTL was a Harvard machine 8bit instructions and 4bit data path. Not fast nor exotic though I wasn't trying for speed it was likely limited the most by the 2716 eproms and 2112 mods rams. It was practical in that it was a fairly rich instruction set. Harvard machines can really simplify the data paths. >Anyone remember the Moto mw RTL "experimenter's pack" that was sold back >then? That's when electronics companies still thought that appealing to >the hobbyist was worthwhile... > >Cheers, >Chuck Still have bits of the mW RTL from moto and also their ECL bits as well. Did a lot of playing with those parts back when. Allison

19 years, 1 month

FPGA VAX update

by ajp166＠bellatlantic.net

> >Subject: Re: FPGA VAX update > From: "Chuck Guzis" <cclist at sydex.com> > Date: Wed, 02 Nov 2005 10:05:59 -0800 > To: cctalk at classiccmp.org > >On 11/2/2005 at 10:33 AM woodelf wrote: > >>I guess nobody even considers building a computer from scratch. :( > >Actually, there are some poor demented souls who do--and not from FPGAs.. > >http://members.iinet.net.au/~daveb/simplex/simplex.html >http://www.homebrewcpu.com/ >http://www.holmea.demon.co.uk/Mk1/Architecture.htm >http://mycpu.mikrocontroller.net/index.htm >http://timefracture.org/D16.html >http://tripu.triphoenix.de/Main_Page >http://people.freenet.de/dieter.02/index.htm >http://cpuville.4t.com/index.htm > >Wasn't there an article a looong time ago about a fellow who built his own >CPU from TTL parts in BYTE or Microcomputing? (It'd have to be over 20 >years ago). > >Cheers, >Chuck Ego a 16bit machine September 1985. There was another article whose focus was microprogramming vs sequential machine control and that used the TOY1 archetecture. There were others described in TCJ Dave Brooks simplex III comes to mind. There are others. Allison

19 years, 1 month

Cypress CY7C371U Info/Datasheet

by trag＠io.com

There are 10s of thousands of these CPLDs on the market at reasonable prices (<$1 each) and I might like to use them to build some of my projects of expansion cards for older machines. However, I can not find a datasheet which mentions the 'U' variant of the CY7C371. I found a datasheet for the CY7C371 and CY7C371L. And Cypress only has the sheets for the newer CY7C371i version (in-system-programmable). But none of these mentions the U variant. I would hate to pick up the U variant only to discover that it is OTP or something. Anyone have info or a datasheet for the U variant? Is there a secret/obscure link on Cypress's website that leads to datasheets for obsolete parts? As far as I can tell, once it's obsolete they yank all support from their site. Sigh. I like Samsung's more enlightened approach, where datasheets for memory discontinued years ago are still available--so far. Thank you for any helpful or humorous information. Jeff Walther

19 years, 1 month

Arrived early for VCF, anyone around tonight?

by news＠computercollector.com

Well, I arrived here a day early (long story)... anyone want to grab dinner or a beer tonight and talk classic tech? I'm staying in Mountain View, will be online all night. - Evan - Evan Koblentz Freelance technology writer (www.snarc.net) Visit the Computer Collector Newsletter at http://news.computercollector.com

19 years, 1 month

Sharp PC7000

by pep731＠optonline.net

DID YA EVER PICK UP THAT PC7000 COMPUTER? IF SO I HAVE ONE BUT I LOST ORIGINAL DOS DISK. IF POSSIBLE I NEED A COPY FOR IT'S DIAGNOSTIC PROGRAM WHICH IS ON THE DISK (PCDIAG2)

19 years, 1 month

Need Fujitsu 2311/2312 Service Manual...

by lbickley＠bickleywest.com

Bitsavers has copies of the Fujitsu 2321/2322, 2331/2333, etc. Service/Operaions Manuals available - but none for the Fujitsu 2311/2312. A PDF file would be super - but if you only have hard copy, I'll be glad to pay shipping both ways - and make sure Al gets to scan it for bitsavers.org. I'm trying to retrieve whatever software/information I can from the Fujitsu 2312 that was used in TSX Plus's development lab - and the drive manual would be a great help. It's my understanding that the license key generator software is on this drive. Hopefully, when I am ready to "release" TSX Plus, it will not be necessary to use it - but if it is, I want to release the key generator as well. Cheers, Lyle -- Lyle Bickley Bickley Consulting West Inc. Mountain View, CA http://bickleywest.com "Black holes are where God is dividing by zero"

19 years, 1 month

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test-drb November 2005