- test-drb@ccmp.vtda.org - classiccmp.org

by cc＠informatik.uni-stuttgart.de

The rsync daemon on bitsavers is still down, and noone seems to know the reason why. I've already got a request from someone using my mirror on a regular base... At least, one could expect a notice on the home page. Christian

15 years, 4 months

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DEC Legacy Event 2011 Announcement - October 8th, 9th 2011, Windermere, UK

by mark＠wickensonline.co.uk

I'm pleased to announce DEC Legacy 2011 which will take place on the weekend of October 8th-9th 2011 in Windermere, UK. Following the success of last years event I would like to invite all those interested in DEC's range of computers to join me and other DEC enthusiasts for the two day event to celebrate the fantastic work of Digital Equipment Corporation and the legacy it has inspired. Registration is Open. More details at: http://declegacy.org.uk Kind regards, Mark Wickens Event Organiser

15 years, 4 months

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For future reference

by dgriffi＠cs.csubak.edu

I've sold stuff to several cctalk list members over the years and I like to think it has all been pleasant. This evening I was accused by someone of shilling an auction for an XCOMP ST/S hard disk controller board set. I'm quite interested in your homebrewing efforts and I wish I had the space and money to buy some of your wares. Accusing people of impropriety is not the way to earn accolades. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

15 years, 4 months

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AM27S185 PROMs

by technobug＠comcast.net

A friend who currently runs an PDP11 as part of his business had a failure of one of the PROMs in his disk/tape controller. These beasts seem to be unobtainium - does anyone have any spares in their kit or know of a source. Understand that the chips are one-time-programmable so pulls aren't a reasonable solution... CRC

15 years, 4 months

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AM27S185 PROMs

by technobug＠comcast.net

On Tue, 05 Apr 2011 11:33:39 -0700, "Chuck Guzis" <cclist at sydex.com> wrote: > Jameco is still selling TPB24S81 PROMs: ?? > http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_27 > 828_-1 > > Looks like a pretty close match. Of course, you have to find someone > to program the darned things. > > --Chuck Thanks for the link. I believe the N82S186 is the same chip. The bit rot extends to this biological entity because I now remember that I fought these nasties years ago in a different computer in a different universe. On Tue, 05 Apr 2011 14:36:59 -0400, Dave McGuire <mcguire at neurotica.com> wrote: > I can program them.. > > -Dave Thanks, but my trusty BC Micro can do the job. My first inclination, when asked to look at the problem, was that one of the bipolar ROMs had gone south. My friend had an identical SpectraLogic board that had died many years ago, but had the same configuration. We pulled the PROMs and did a compare to ensure that they tracked. One of the two hardware configuration PROMs read, but wouldn't self verify. Nor would it reprogram. Switching the good PROM from the failed board brought the system back up. We ducked this bullet, but getting a few spares in to go with our library of PROM content should help in the future. Again, thanks for the help, CRC

15 years, 4 months

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CMD MSCP controllers

by aek＠bitsavers.org

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=200591760912 Seems like a decent price for a QBus controller. I seriously doubt anyone could build one for $125

15 years, 4 months

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OT: Telephone Network block repair

by ard＠p850ug1.demon.co.uk

Lat week I asked about removing the potting compound from a 425E Network block in a Western Electric 500 telephone. I have no successfully repaied this unit, so I wil ldescribe what the problem was. On my line simulator, the phone worked properly apart from the fact that the microphone (mouthpiece, transmitter, whatever) didn't do anything. Checks shows 0V between the terminals (its a carbon microphone, of course, so you'd expect a standing DC votlag here). Also, the votlage drop across the phone when off-hook (the simiulator provides a constant line current) was much lower than I expected. With thr telepghone unplugged, I could measure 22 Ohms (or so) between the microhone cup contacts with the microhopne removed. The same resistance was found between the R and B termainasl on the Netowork, even with the wire on the B terminal disocnnected. And yet agai nthe same resistance bwtween R and B witl all the wiring disconnectd from the Network. There's a 22 Ohm resistor inside the Network with one end conencted to the B terminal (and nothing else). Therefore I suspected a short from the other end of this resistor to something connected to R. at this point I decided to open up the Network, hence by posts last week. After getting rid of that potting compound, I found tha, yes, the 'other' end of that resistor did terst as a dead short to the R terminal. A bit of careful inspection showed that one of the enamelled transformer wires connected to the 22 ohm resistror passed over the lead of a 68 ohm resistor conencted to R, and that there was a short there. No, I didn't rewind the transformer. I desoldered the 68 Ohm ressitor lead and put a bit of sleeving on it. Tests showed the resistances between the Netowkr module terminals were now more reasonable, and after reassmbling the phone it works fine. Yes, I _could_ have bought a repalcement Netwrok block, but this is much mroe fun :-) -tony

15 years, 4 months

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Lisa: Some progress!

by snhirsch＠gmail.com

Woot! Some serious progress. In no particular order: - Non-functional keyboard was traced to a (surprise) badly corroded stereo phone jack. What threw me was that plugging in a straight Switchcraft plug for continuity checking showed everything ending up where it should. After I took off the side of the unit, I discovered that the right-angle molded plug on the keyboard cable does not get inserted far enough to make a reliable connection. This looks iffy even at best, but I'll start by replacing the jack. By removing the daughterboard that carries it and plugging the keyboard into it directly, the computer sees it. That's the good news. The bad news is that (also surprise!) there are a lot of dead keys. So perhaps I spoke too soon about it being intact. I have a Sun 4 keyboard on the way and will pick that for parts to get going quickly. - Non-functional diskette drive was pilot error, but I don't think it was on my part. There are two 20-pin ribbon cables leading into the drive cage and the wrong one was plugged into the Lisa Lite controller board. Hopefully that did not damage anything - it was like that when I opened the unit! Plugged the correct cable in and it now tries to boot the floppy. I inserted the Lisa Test 3.0 disk 1 and it chugs away for a bit before throwing a disk read error. Will try writing another copy on my mac, since this one may have been damaged while working on the loading mechanism. I'm very surprised that so much appears operational given the horrible state it arrived in. A testament to Apple's construction quality, for sure. Steve --

15 years, 4 months

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Anyone got a VT52 they'd be willing to sell?

by ian_primus＠yahoo.com

Been doing some cleaning here, and going through my various DEC terminals. I've got a pretty good set going, but I'm missing the ever-elusive VT52 (OK, yes, and the VT-05, but that doesn't count. <grin>). The one that has managed to elude me for years, however, is the VT52. I know they made a lot of them - it was an early standard of sorts, but they don't turn up nearly as often as VT100's do. So, anyone have one they'd be willing to sell me? I'm in NY, capital area. Working would be a plus, but complete is fine. I can usually fix things if all the parts are there. Speaking of elusive... would also love to find a Tektronix 4010, but... -Ian

15 years, 4 months

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peathens and hagans

by feedle＠feedle.net

> Although Oxford does not back me up on this, I was taught when younger > that *heathens* belonged to no organized religion, though they often > recognized (small) gods as influential in their lives. *Pagans*, on > the other hand, engaged in formal worship of major gods (or a single > non-Semitic-origin god), with organized priesthoods, etc. usw. k.t.l. > > The modern neo-pagans certainly fit the latter description. The Ya-Ya > Sisterhood fits the former. Considering the phrase "language is DEscriptive, not PREscriptive..." In Neopagan and "New Age"/"New Thought" circles, Heathens are often those who follow a ersatz reconstructionist tribal religion of the northern European tribal cultures, often Scandanavian/Norse in origin (but not exclusively, there are some more Germanic and Anglo/Saxon flavors as well). Juxtaposition being "Pagan", which tends to (but not always) be a slightly newer reconstructionist target (as in, the religion they are attempting to reconstruct is often post-Roman but pre-Christian), so consequently has a more cosmopolitain flavor, often integrating concepts of deity and belief that would have not been present in northwestern Europe (and in some cases are even Middle Eastern in origin). That said, "pagan" and "heathen" have similar origins, so the words get fuzzy. However, when talking about the various modern Neopagan religions, people have their own perceptions that differ slightly from both the classical and contemporary mainstream usage. Gay Neopagan Fairy doesn't mean what a lot of "normal" people think. In actuality, it's far far worse. Now, if you'll excuse me, I have to go peathen.

15 years, 4 months

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need a Pentium 75 and heatsink

by chrism3667＠yahoo.com

hope this isn't ot if you have one in your stash, let me know

15 years, 4 months

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VCF East update

by evan＠snarc.net

We have a few spots left for exhibitors. So if anyone out there wants to register, then let me know ASAP. We also have a few spots left for the hands-on workshops -- "Teletype 101" (in which you can win a good-condition model '33) and "Build your own transistor-logic circuit". Register for these via the "workshops" link at vintage.org/2011/east. (Regular admission tickets are only sold at the door.)

15 years, 4 months

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Y3K for PDP-11 Operating Systems

by jhfinedp3k＠compsys.to

Is there any interest in extending any of the PDP-11 operating systems so that they are able to support dates at least until 3000? While my personal interest lies with RT-11, I am curious if anyone has looked at the requirements for any of the other PDP-11 operating systems to determine what is required for Y3K date support? In addition, are the resources (technical knowledge, files to make the required changes and hardware to support the development) available? For RT-11, the resources are available and I suggest a review of the required software changes by anyone who has the technical background to evaluate any proposals for Y3K implementation. If other individuals who are interested in RSX-11, RSTS/E and TSX-Plus are motivated to support Y3K implementation for these OSs, I would be interested in providing support for any solutions required to exchange dates between all PDP-11 operating systems. I am not sure if there is any commercial impact to producing Y3K code for PDP-11 OSs. However, it is possible that any current commercial use MIGHT be more likely if Y3K support is available. On the other hand, it is almost certain that any Y3K projects for all PDP-11 OSs must be done without any commercial support at this time. Consequently, as with all DECUS contributions, any actual code changes would become available to everyone. If this enhances the commercial value of the PDP-11 OSs, then it should be a positive development. Responses and suggestions are appreciated. If, as I have noted in the past there is no response, then at some point when it seems worthwhile, I shall at least present the technical details of what is required to implement Y3K for RT-11. There may also be details of other enhancements along with RT-11 bug fixes. If anyone has a wish list for RT-11 or knows of any RT-11 bugs which need fixing, I would very much appreciate the help. Jerome Fine

15 years, 4 months

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A question about IBM 2780/3780 over TCP/IP for systems under simulation.

by mgemeny＠pgcps.org

A question about IBM 2780/3780 over TCP/IP for systems under simulation. Are their any examples of this in use now? If so would it be possible to get a sample of a short file being sent and also get a packet capture of the data on the TCP/IP side as that file is being sent. A write up of the implementation would be great if anyone has that, but that may be asking too much. Thanks in advance. Mike Gemeny

15 years, 4 months

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Vax 3100 disk recommendation and suggestions

by michael.99.thompson＠gmail.com

>From: joe heck <trash3 at splab.cas.neu.edu> >I have a 3100 model 80 with a failing disk drive. The two drives in it now are Seagate ST15150N (I believe). I have a couple of questions: >Are there NEW drives out there that will work with this VAX? >What do I need to do to make a drive format/work? Joe, I have quite a few small SCSI drives in my collection, but no ST15150N drive. What capacity do you need? -- Michael Thompson

15 years, 4 months

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JPL control room, 1979 - anyone want to do some systems-spotting?

by lproven＠gmail.com

The 6th episode of Carl Sagan's /Cosmos/ has some loving shots of the main computer room at JPL at the end of the 1970s. It's 38min into this episode: http://www.youtube.com/user/TheScienceFoundation#p/u/27/y7Qs3iXqgzs ... and lasts a good 2-3min. There's a bit more later, but then, it's Cosmos, the whole thing is extremely well-worth watching. I'd be very interested if anyone could ID the systems, drives, terminals and so on shown, though! -- Liam Proven ? Info & profile: http://www.google.com/profiles/lproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AIM/Yahoo/Skype: liamproven ? MSN: lproven at hotmail.com ? ICQ: 73187508

15 years, 4 months

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Surplus source for MAN8940 common-cathode 0.8" 7-segment displays?

by ethan.dicks＠gmail.com

Hi, All, An old project bubbled up to the surface this weekend - I'm looking for a handful of MAN8940 displays (or a modern equivalent like the Lumex LDS-C8024) to refurbish an old display that works but is dim. I'm flinching at the >$2 each price at Mouser (and Digikey only sells the item by the case-load of ~2000). Does anyone know of a surplus place that has larger sizes of 7-segment displays? For close to $50 in LEDs and postage, I'll just leave the dim ones in place. If I can find a source at surplus prices, I'm more likely to replace them. I found the exact part via one surplus page, but I just got my first "undeliverable: will re-try for two days" bounce, so I'm expecting that I won't be able to contact that seller in the end. These are for a personal project, not a work project, so I'm happy to buy from an individual - doesn't have to be a "legitimate" company. Anyone know of oddball places to get oddball LEDs? Thanks, -ethan

15 years, 4 months

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Speaking of Lisas...this guy has a garageful!

by dm561＠torfree.net

----- Original Message ----- > Date: Mon, 4 Apr 2011 11:17:31 -0400 (EDT) > From: Steven Hirsch <snhirsch at gmail.com> > Subject: Re: Speaking of Lisas...this guy has a garageful! <snip> > My reason for the comment about Black Holes. Never understood the point > of stacking units in the storage shed. > ----- Reply: It's easy to judge and complain about "hoarders", but there's another perspective: Considering today's high shipping costs it's pretty hard to find anyone willing to pay to ship anything substantial (never mind a little extra to make it worth while) unless it's rare and/or valuable, so you either scrap it or "stack it in the storage shed" in hopes of some day finding someone local or willing to pay the big bucks. I've had to scrap close to a dozen Cromemco boxes and dozens of terminals and old PC/XT/ATs and clones over the years; fortunately I found a local teacher who took a skid full of old data books or they would have gone to landfill as well. Personally I'd love to regain the space that this junk takes up... mike

15 years, 4 months

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Looking for AT case in Seattle area

by tiggerlasv＠aim.com

Alas, I got rid of the last AT-ish style case that I had, before I moved up to Seattle. Have you checked at the RE-PC store in Seattle as well? I tend to forget about that one, as Tukwila is much closer to me. Plus, it saddens me to see the PDP-11/23 system sitting there powered down, as a museum piece. *Sigh* \ It never hurts to check out Goodwill, either. I recall spying a desktop (several months ago) that was sporting an "AT" keyboard connector, at the store on the hill in Renton across from Little Peking. . . . so I know that they're out there. . . T

15 years, 4 months

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Advice on Lisa 2 restoration

by dm561＠torfree.net

----- Original Message ----- > Date: Sun, 03 Apr 2011 19:05:17 -0700 > From: "Chuck Guzis" <cclist at sydex.com> > Subject: Re: Advice on Lisa 2 restoration > <snip> > Use a nice big Soldapullt? Cleans the holes for me, particularly if > you hold the PCB in a board vise and use the Soldapullt on one side, > while apply heat (and a little solder) to the other side. Push the > button and the hole is clean as a whistle. > > Little Soldapullts are next to worthless. Get the big one (DS017 or > its variant versions). > > I do use solder wick, but mostly for soldering SMT ICs. > > --Chuck ----- Reply: A sharp round wooden toothpick often works well for me. mike

15 years, 4 months

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Speaking of Lisas...this guy has a garageful!

by tshoppa＠wmata.com

Original picture looks like a miniature version of my garage back in the early 90's. Walls lined with VT100's and variants stacked up high... less than fifty of them in all but still a lot for one guy :-) >> Is he a collector / restorer sort of person or a "black hole"? I've >> tripped over a number of folks with large quantities of classic gear who >> seem to playing the "..he who dies with the most units, wins" game. >> Drives me crazy when someone who doesn't touch the equipment, doesn't use >> it or display it (in fact, may not even know where it is), has 6-10 of The reasoning behind my garage of VT100's was mostly related to making working units from broken units taken in during hauls. I put no energy doing board-level fixes but swapped major subassemblies with wild abandon. Lots of Southern California hobbyists ended up with several of my fixed VT100's :-). I can see it, in some cases, evolving from "having some spares" to "having so many spares" to "not needing any spares because I fix everything at the board level" but I never got there! Tim.

15 years, 4 months

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Oil fires (was Re: old US Telephone hybrid ('Network' block) )

by mtapley＠swri.edu

At 8:54 -0500 4/3/11, ard wrote: >And whatever you do, dn't put water on it if it catches fire. I've seen >this done as a demonstration, and it was spectacular (I am sure there's >something similar on youtube). Tony has spoken many words of wisdom, but few truer. http://www.youtube.com/watch?v=p-F82_OFrds -- - Mark 210-379-4635 ----------------------------------------------------------------------- Large Asteroids headed toward planets inhabited by beings that don't have technology adequate to stop them: Think of it as Evolution in Fast-Forward.

15 years, 4 months

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Vax 3100 disk recommendation and suggestions

by trash3＠splab.cas.neu.edu

Hi all, I have a 3100 model 80 with a failing disk drive. The two drives in it now are Seagate ST15150N (I believe). I have a couple of questions: Are there NEW drives out there that will work with this VAX? What do I need to do to make a drive format/work? I installed the drives probably over ten years ago and I just don't remember if I had to format them special or on another box or what. I don't have the manuals any more, so I'm stuck. Thanks for any advice you folks have... Joe Heck

15 years, 4 months

3
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Moldy data tape help

by rborsuk＠colourfull.com

I just got a load of Wang equipment (thanks Jason) and one of the Data tapes has mold on it. Check it out at: https://picasaweb.google.com/lh/photo/qEkwl1uWDIjNywOZMQXlSA?feat=directlink Does anyone have any thoughts about cleaning this before trying to use it. Thanks Rob Robert Borsuk rborsuk at colourfull.com Colourfull Creations http://www.colourfull.com

15 years, 4 months

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Looking for AT case in Seattle area

by derschjo＠mail.msu.edu

Subject says it all -- I unwittingly gave away my last AT case a while back and now I have need to build an old 486 for a project. RE-PC in Tukwila/Seattle has let me down, all they seem to keep around are ATX cases these days. Anyone have one to get rid of, cheap? Something mid-tower-ish would be great, but I'm not too picky as long as it has a working power supply... Thanks! Josh

15 years, 4 months

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neat ibm mainframe video on youtube

by halarewich＠gmail.com

http://www.youtube.com/watch?v=Cwj6pfhWBps great video for the big iron guys out there

15 years, 4 months

1
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Ohio Scientific Challenger 4P software

by derschjo＠mail.msu.edu

This afternoon I picked up a complete OSI Challenger 4P (model C4PMF) with 5.25" disk driveand a stack of manuals. It's in decent shape and I've been going over it and cleaning it up (with a little wood polish for the sides :)). Power supplies seem to be working nominally so I've fired it up, and it appears to be working correctly. It came with half a dozen floppies, but they're in pretty sorry shape and only one of them actually boots (well, almost boots - it errors out after a little while into the boot process). I've of course cleaned the drive's heads beforehand :). The C4PMF does not have a cassette interface (alas) so I can't load cassette software on this thing. And no BASIC in ROM, so if I want to bootstrap this thing over a serial port I'll be entering in machine code to do it :). So I have two immediate questions: 1) Is there an archive anywhere of disk images for this machine? I've done a fair amount of searching and I haven't found much outside of a few OS images included with emulators. 2) Anyone have any experience getting software onto the machine from a "modern" PC? Can floppies for the C4P be written on a PC (using ImageDisk or the like)? Thanks for any advice. This looks like a really cool machine, and I can't wait to get it running. - Josh

15 years, 4 months

1
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ohio scientific haul

by mcsele＠niagaracollege.ca

First, note where the boards went then pull them out (carefully, those pins can be stubborn and can loosed from the backplane). Next check the power supplies. I have seen an old OSI supply put out 7V where it should have been 5V: that would be a disaster. The fact that someone put voltmeters in the case probably shows some paranoia in this respect! Next, try re-installing boards and if you get lucky, it might just display "D/C/W/M" or rather "H/D/M" on the screen when it boots. The 505 CPU has only one ROM (not BASIC in ROM like many OSI systems did) and so is strictly disk-based (hence the prompt H/D/M). If the video works, try to boot a disk. If it fails to show video, or the video looks completely scrambled with random characters, a likely culprit is memory: in many old OSI systems you see bad RAM that just seems to appear from nowhere. The 527 uses 2114's which are common at least. If you get video, but not much else, you can try using the machine-code monitor (M) to diagnose the memory ... bitsavers probably has a doc on the OS65V monitor which will help (they were all about the same on OSI machines). Professor Mark Csele, P.Eng. Niagara College, Canada 300 Woodlawn Rd., L-23 Welland, ON, L3C 7L3 (905) 735-2211 x.7629 E-Mail: mcsele at niagarac.on.ca URL: http://technology.niagarac.on.ca/people/mcsele Author of "Fundamentals of Light Sources and Lasers", Wiley, 2004

15 years, 4 months

1
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Vax 3100 disk recommendation and suggestions

by tshoppa＠wmata.com

Joe writes: > I have a 3100 model 80 with a failing disk drive. The two drives in it > now are Seagate ST15150N (I believe). I have a couple of questions: > Are there NEW drives out there that will work with this VAX? > What do I need to do to make a drive format/work? ST15150N are excellent drives and were a great choice for ten years ago when they started showing up widely in surplus. I have such a long and deep trust in them, that I might recommend that you just find a few more :-) Today if insisting on a new drive you'd probably get a 68 pin SCSI drive and a 68-to-50 adapter cable. Example 68 pin SCSI drives still being manufactured recently are Seagate Cheetahs 73 gig/ 147 gig. Similarly you could get an 80 pin SCA drive and an adapter to take you down to 50 pin. There's a lot of surplus SCSI drives out there newer than the ST15150N too. Example adapter source: http://www.pc-pitstop.com/scsi_adapters/int_scsi_adapters.asp > I installed the drives probably over ten years ago and I just don't > remember if I had to format them special or on another box or what. I > don't have the manuals any more, so I'm stuck. Nothing special. Just stick it in, INIT or BACKUP to fill it up. Older 3100's (like model 30) have some limitations on boot disks requiring some tricks to use drives bigger than 1 gbyte but the model 80 is clear sailing. Tim.

15 years, 4 months

1
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classiccmp server

by jwest＠classiccmp.org

With any luck, I will be taking down the classiccmp server sometime this weekend for hardware upgrades and a complete reformat/reload. This includes the new raid controller and all new hard drives. It may be tonight, or sometime tomorrow... or all heck may break loose in other areas of my life this weekend and it gets postponed. I just wanted to give a heads up that if you stop seeing list traffic (and the classiccmp-hosted websites) that it's most likely intentional. I'll try to keep everyone posted. Best, Jay

15 years, 4 months

2
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OT : old US Telephone hybrid ('Network' block)

by ard＠p850ug1.demon.co.uk

THis is off-topic, I know, but I suspect there are some people here interested in old telephones. I have a Western Electric 500 telehpne on the bench. The standard US rotary dial one. As you may know, all the small components and the anti-sidetone transformer ('induction coil') are in the metal box kown as the 'Network'. This is the normal type 425 unit Anyway, I've remvoed this from the rest of the 'phone by disconencting the wiring and drillign out the rivets (this was standard practice accordign to one of the official repair manuals I read). I can refit it using 6-2 UNC screws whcih are a perfect fit. The 425 network was not field rpeairiable, and I can see why. After bending up the tabs, I slid off the can to reveal the components in a particularlly evil potting compound. It's not hard, it's sticky, I can be scraped off (but I spent good quarter of an hour clenaing a screwdriver after this). It will soften with heat (in fact a hot air paint stripper gun wil lget it to drip off, but I was gettign the thing so hot that the plastic terminal board was softening too). No solvent I have tried will remove it. The BSP docuemtns simply call it an 'insulating medium' which is not much help :-). Has anyone ever repaired such a Network block and knows how to shift this stuff? -tony

15 years, 4 months

13
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Bitsavers broken again?

by tshoppa＠wmata.com

> it seems that there's a new issue with the bitsavers host. I regularly do > an rsync for our mirror, but since a few days the connections are refused: > > rsync: failed to connect to bitsavers.org: Connection refused (146) > rsync error: error in socket IO (code 10) at clientserver.c(122) > [Receiver=3.0.7] In AOL tradition, "Me Too" for my mirror ( http://bitsavers.trailing-edge.com/ ). My presumption is that rsyncd simply isn't running at the far end. BTW, I'm gonna set up public rsync for the pdp-10 and pdp-11 archives here in my copious free time :-). Tim.

15 years, 4 months

1
0
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Bitsavers broken again?

by cc＠informatik.uni-stuttgart.de

Hi, it seems that there's a new issue with the bitsavers host. I regularly do an rsync for our mirror, but since a few days the connections are refused: rsync: failed to connect to bitsavers.org: Connection refused (146) rsync error: error in socket IO (code 10) at clientserver.c(122) [Receiver=3.0.7] Christian

15 years, 4 months

1
0
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another Mondrian/computer intersection

by hilpert＠cs.ubc.ca

So what is it with computers and Mondrian? http://www.computerhistory.org/revolution/the-web/20/390 (A little joke for those who remember a very old thread.)

15 years, 4 months

2
1
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Smoke From PSU Socket

by tshoppa＠wmata.com

> Also I don't know why the socket shorted, if it *was* wet then perhaps I > could plug it in again, but I am very doubtful that this would be a good > idea. Should I just be thinking of replacing the socket? Many "IEC sockets" are more than just sockets, and incorporate EMI suppression components as well. The euphemism becomes "power entry module" instead of "socket". The EMI suppression components (especially capacitors) in them are specced for AC line voltage applications and UL rated such, but they still let out their magic smoke every so often :-). Even if it's just a socket, some debris can get in there during storage, you plug it in, the debris trips a fuse and vaporizes, and all you're left with is a charred socket. Tim.

15 years, 4 months

8
24
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ohio scientific haul

by starbase89＠gmail.com

Hello! Yesterday I brought home a pile of OSI equipment. I got a Challenger II (in the blue, rectangular case,) a Challenger 4P case with keyboard (seems to connect to the main box as a keyboard,) two 5.25" disk drives in the style of the 4P and two joysticks. Inside the challenger are the following boards: 505 Rev B CPU/IO/Floppy 527 24k RAM 540 Rev B Video 567 Votrax Speech Synthesizer w/ external module; The Challenger II seems to have a well modified power supply, including and an added circuit board with two transformers, as well as four volt meters, mounted in cardboard and taped to the inside of the case. My first question in what is likely to be a long series is: If I intend to try and get it running, what is my first step? I'm not entirely sure what I'm going to do with the system yet. Its the first time I've had something of this caliber. I have no idea what its worth Thanks Joe -- Joseph Giliberti Jackson, New Jersey Come Visit the InfoAge Science History Learning Center and Museum Get more information at http://www.infoage.org

15 years, 4 months

1
0
0 0

Wanted: Sinclair MK-14, Micral R2E, Scelbi 8H, Datapoint 2200, Mark 8 Mini, Kenbak and/or PDP Straight 8

by nick.allen＠comcast.net

If you have any of these please email me, I am a serious collector and willing to make an offer worth your while. Nick

15 years, 4 months

4
4
0 0

Available: Sinclair MK-14, Micral R2E, Scelbi 8H, Datapoint 2200, Mark 8 Mini, Kenbak and/or PDP Straight 8

by pontus＠Update.UU.SE

Hi I've got these machines and would like to see them go to a serious collector. Make me an offer I can't refuse. /AprilOne

15 years, 4 months

1
0
0 0

HP 82321B BASIC LANGUAGE PROCESSOR (VIPER) for $625 ?

by glen.slick＠gmail.com

Things that make you go hmm? HP 82321B BASIC LANGUAGE PROCESSOR (VIPER) http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=390281098409 Sold for $625 Are these really that hard to find? I think I paid somewhere around $30 or so each for my Viper and Hyper-Viper boards on eBay a while back. Maybe someone had one in a production environment that failed and absolutely needed one to get back online? With that sale price maybe a few more will show up on eBay (maybe I should list mine...)

15 years, 4 months

2
1
0 0

CHM's Revolution exhibit - the online version

by evan＠snarc.net

CHM's "Revolution: The first 2000 years" is now online at http://www.computerhistory.org/revolution/. I know several cctalk'ers served as history advisers and/or loaned artifacts. For my part, I advised on the mobile/portable exhibit. (They said our individual names will be added during version 2 in a few weeks or months from now.)

15 years, 4 months

1
0
0 0

OSI C1P currently on ebay...

by jules.richardson99＠gmail.com

Bill Sudbrink wrote: > Ah! There I would disagree. The case is not in half bad shape. If you > have Superboard you would like to mount, it could be just the thing for > you. That said, I think around $100 US is about the top of its value. I had to google (I'm not at all familiar with OSI stuff), but it seems that the keyboard is integral to the Superboard, right? So you'd basically be paying for a bit of bent metal, wooden (?) sides and a PSU - and it's a bit of bent metal which needs sanding down and repainting, at that (and I've no idea if those decals come off easily!). Considering it's $22 in shipping... anything seems like a lot to me :-) cheers Jules

15 years, 4 months

2
2
0 0

OSI C1P currently on ebay...

by jules.richardson99＠gmail.com

Bill Sudbrink wrote: > I would suggest that you look closely at the enlarged version > of the third photograph. The case does not appear to contain > a full "Superboard" OSI 600 board. I'm not sure what this thing > is, but it is not a normal C1P. In the fifth photo, I think you > can see the cable header for the video and cassette I/O hanging > loose inside the case. Oh come on, this is ebay... that just makes it extra-rare and worth twice the price ;-)

15 years, 4 months

7
7
0 0

OSI C1P currently on ebay...

by legalize＠xmission.com

In article <005101cbefcd$82d6f210$8884d630$@sudbrink at verizon.net>, "Bill Sudbrink" <wh.sudbrink at verizon.net> writes: > like to mount, it could be just the thing for you. That said, I think > around $100 US is about the top of its value. I disagree, based on the ebay selling prices of previous OSI Challenger product. Remember, the "value" of something is always in the eye of the seller, not what you think its worth. Famous works of art are worth millions of dollars because someone is willing to pay millions of dollars for them at auction. Its not the consensus of the dealers or critics that sets the price. -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://legalizeadulthood.wordpress.com/the-direct3d-graphics-pipeline/> Legalize Adulthood! <http://legalizeadulthood.wordpress.com>

15 years, 4 months

2
2
0 0

OSI C1P currently on ebay...

by ian_primus＠yahoo.com

--- On Tue, 3/29/11, Bill Sudbrink <wh.sudbrink at verizon.net> wrote: > To anyone who might be considering > bidding on this lot: > > http://cgi.ebay.com/OSI-Ohio-Scientific-Challenger-1P-/160565653395?pt=LH_De > faultDomain_0&hash=item2562756f93 > > I would suggest that you look closely at the enlarged > version > of the third photograph. The case does not appear to > contain > a full "Superboard" OSI 600 board. I'm not sure what > this thing > is, but it is not a normal C1P. In the fifth photo, I > think you > can see the cable header for the video and cassette I/O > hanging > loose inside the case. Hehe. And in the second photo, you can spot a foam packing peanut hiding inside the case... I love the fact that he says all the keys "seem to work", but yet the machine is "untested". So, what, they go down when pressed and come back up? How does that imply "working?". I can just see a similar exchange: "So - this car works?" "Oh, yes, you put the key in and it turns great!" "But, does it start?" "Oh, I don't know, I didn't put gas in it" "Well, what's the engine look like? Did you look under the hood?" "Cars don't open, silly." -Ian

15 years, 4 months

1
0
0 0

KansasFest 2011 registration now open

by pr＠kansasfest.org

Hi, Nathan -- > 1. Will there be day passes for those who won't or can't spend an entire week? Email kfest-help at kfest.org and something can likely be arranged. > 2. If #1 is true, will we be able to see daily schedules prior so we can pick which days are most interested to us? We do post our session schedule online, but usually not until sometime in July. There's a general schedule on the first page of the registration form: http://www.kansasfest.org/wp-content/uploads/kfest2011-register.pdf -Ken

15 years, 5 months

1
1
0 0

PDP-8/E boards pack

by spedraja＠gmail.com

Hello. This pack of boards is more or less what I was searching for my PDP-8/E: http://cgi.ebay.co.uk/DEC-Digital-PDP-8E-Boards-Core-Parts-Scrap-Gold-/1106… ...but is impossible to contact the seller. Someone could help me with this, please ? Contact off-list. -- Saludos - Greetings - Freundliche Gr??e - Salutations Sergio http://www.linkedin.com/in/sergiopedraja http://www.quora.com/Sergio-Pedraja ----- No crea todo lo que ve, ni crea que esta vi?ndolo todo

15 years, 5 months

1
0
0 0

Dead Powerbook 170

by teoz＠neo.rr.com

I got an Apple Powerbook 170 (68030) from ebay a week ago and today I got a power brick to test it out. The seller said it was dead when he tried to power it (with what power brick and voltage I don't know). I tried it with a 7.5V 2A Sony power brick with the correct end and got nothing (tried it with the main battery removed). Took the unit apart and checked the main fuse and it is ok. The only thing I can see damaged are two power mosfets on the bottom of the board that melted into the bottom plastics (solder on the parts is discolored and one of the legs to ground reads 148 Ohms resistance on both units). The parts are both IRFR9020 (labeled as Q41 and Q43 on the motherboard) https://picasaweb.google.com/107784270771159898725/Broken#55896559704001329… <== shows location http://pdf1.alldatasheet.com/datasheet-pdf/view/115896/IRF/IRFR9020.html <== data sheet Nothing else seems physically blown so I wonder if just swapping those parts out will fix it? Since I don't see the exact International Rectifier part number on ebay what else can I substitute for it? For example we have this part on ebay: http://cgi.ebay.com/Lot-3-P-Channel-Power-MOSFET-15A-60V-0-15Ohm-SMT-SMD-/1… but I don't know how important the Rds Ohm factor is. I have read that Apple original power brick had issues that would blow the surface mount fuse, but no idea what might have caused these chips to overheat so much (over voltage??). Any old Mac laptop people on this list know? Thanks TZ

15 years, 5 months

3
3
0 0

IBM 5150 in S100?

by dgriffi＠cs.csubak.edu

I just came across an 8086 S100 CPU board from Seattle Computer Products and I started thinking... How much trouble would it be to use this board to come up with an IBM 5150 work-alike? What sort of custom boards would need to be made? -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

15 years, 5 months

7
11
0 0

DEC RL02

by robin＠hx-20.com

Hello all, I know someone who wants to recover data from one of these 10MB disk packs. They have no drive, no RLV12 controller and (unsurprisingly) no PDP-11. I haven?t seen the disk pack in question so I have absolutely no idea of the condition although I am led to believe it has been looked after, stored properly and doesn?t have a crash...! Of course the pack owner has no idea of the data they?re after (whether it be ASCII, EBCDIC, binary etc..) so that?s another unknown quantity! Is there anyone here who is able to assist with this? Maybe initially to produce a binary image of the disk for further exploration? If yes, (how much) would you charge for this service? Many thanks Robin

15 years, 5 months

1
0
0 0

KansasFest 2011 registration now open

by pr＠kansasfest.org

KANSAS CITY, MO -- March 30, 2011 -- KansasFest, the 22nd annual convention dedicated to the Apple II computer, is now open for registration. Users, programmers, hobbyists, and retrocomputing enthusiasts are invited to Rockhurst University in Kansas City, Missouri, from Tuesday, July 19, 2011, through Sunday, July 24, for six days and five nights of sessions, demos, announcements, contests, and camaraderie. The week kicks off with keynote speaker Bob Bishop, co-founder of Apple's R&D lab alongside Steve Wozniak and creator of many popular Apple II programs and articles. Several sessions and workshops are scheduled throughout the rest of the week, including but not limited to: * Ivan Drucker's tutorial for putting your Apple II on a LAN * Build your own Apple II MP3 expansion card workshop by Vince Briel * A look at the Apple III's technical aspects and modern accessories, by Mike Maginnis * A live-action text adventure, hosted by Ken Gagne * A behind-the-scenes look at the Open Apple podcast * The latest on Apple's iOS mobile devices by Rob Walch of the Today in iPhone podcast * A vendor fair that includes an exhibit hall for attendees to show off and play with new or unusual hardware and software * HackFest, an annual programming challenge open to coders of all skill levels What the schedule can't predict is the variety of surprises that are a hallmark of KansasFest. Recent years have seen the debut of a new, boxed Apple II game; the reclassification of Resource Central's catalog; a "lunch and learn" session on Apple IIc disassembly; and many other announcements and demonstrations. Attendees are encouraged to share their knowledge by presenting their own hardware and software sessions, especially of the Apple II but also including Macintosh, Windows, Linux, iOS, and others. Register before June 1 to guarantee a price of $365 for a double room or $435 for a single, which includes admission to all sessions as well as most meals. Official KansasFest shirts and Vince Briel's MP3 workshop are extra and optional and must be ordered by May 31; registration for staying on-site closes July 10. Veterans of the event are invited to bring a first-time attendee; if each indicates the other's name on the registration form, both will receive a $25 referral rebate at the event. To register, please visit the official Web site at http://www.kansasfest.org/ KansasFest sponsor 16 Sector invites any and all Apple II users, fans, and friends to attend the world's only annual Apple II conference. For photos, schedules, presentations from past year's events, and inquiries, please visit the event's Web site. CONTACT: Email: http://www.kansasfest.org/contact/ Register: http://www.kansasfest.org/register/ Twitter: http://twitter.com/kansasfest Facebook: http://www.facebook.com/event.php?eid=192182347486252

15 years, 5 months

2
1
0 0

SCSI -1 to IDE and SD project

by trebor77＠execpc.com

This looks interesting. As collector of DEC systems my need is slightly different insofar as due to the rapid disappearance of ST506 (MFM) drives I need to make say an IDE drive look like a an ST506 drive to a DEC MFM controller. I concur. I have a CompuPro 816 System with a Q540 MFM 40 Meg HD that is getting shaky. Sure would like to be able to use an IDE of which I have several that would work. Lets hope others will pick up the thread and maybe Andrews Group will consider creating a MFM to IDE adapter Board that would insert between the MFM Cables and the IDE Drive. I'm sure there is a lot of Older CP/M machines out there that would benefit. Bob in Wisconsin

15 years, 5 months

1
1
0 0

Unusual CMD SCSI thing... Anyone know what this is?

by ken＠seefried.com

On 3/29/11 4:58 PM, Dave McGuire <mcguire at neurotica.com> wrote: > > On 3/29/11 1:50 PM, Jochen Kunz wrote: >> > On Mon, 28 Mar 2011 11:50:01 -0400 >> > Dave McGuire<mcguire at neurotica.com> wrote: >> > >>> >> Can the 53C90B be coaxed into doing DSSI? >> > The PCI DSSI adapters (KFPSA?), that I got with an AlphaServer once >> > uppon a time long gone, contained NCR 53C825 SCSI processors. AFAIK >> > those chips include a complete RISC microcontroler and can be tought >> > to talk neary any "language". > Sweet machine. I know the later chips are programmable, but the > 53C90B is a very old design, and I didn't think the built-in processor > was introduced that early. > Correct. The 53c9xy chips had a fixed-function, state-machine based architecture. The SCRIPTS processor was, as I recall, introduced with the 53c700 and improved in the 53c810 line. Nifty stuff, if you're into that sort of thing. KJ

15 years, 5 months

2
1
0 0

masscomp stuff still available

by michael.99.thompson＠gmail.com

> From: Shawn Rutledge <shawn.t.rutledge at gmail.com> > To: cctalk at classiccmp.org > Date: Mon, 28 Mar 2011 00:57:41 -0700 > Subject: masscomp stuff still available > I already scrapped most of it, so what is left is the set of boards, > manuals, floppies and a mag tape, and one 8" hard drive. The boards > can fit in a medium flat rate box (I think, unless I missed something, > but it's a tight fit, depends how much bubble wrap I use) and the > manuals and disks etc. can go media mail, which will be quite cheap > considering the bulk. Anybody want it or should I just finally throw > it all in the recycling bin? > > > > ---------- Forwarded message ---------- > From: Wolfgang Eichberger <oe5ewl at gmail.com> > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > Date: Mon, 28 Mar 2011 11:05:01 +0200 > Subject: Re: masscomp stuff still available > Rhode Island Computer Museum seems to have one of this systems. (see > https://sites.google.com/site/ricmwarehouse/Home/equipment/masscomp). > maybe they need your stuff? > > -- > Wolfgang Eichberger - OE5EWL > Operating System Collector > Blog: 5ewl.blogspot.com > Homepage: www.eichberger.org Since we have no spares or documentation for the MASSCOMP, the RICM would gratefully accept a donation. If you are from the US you can even claim a tax deduction for a charitable donation. -- Michael Thompson

15 years, 5 months

1
0
0 0

OSI C1P currently on ebay...

by wh.sudbrink＠verizon.net

To anyone who might be considering bidding on this lot: http://cgi.ebay.com/OSI-Ohio-Scientific-Challenger-1P-/160565653395?pt=LH_De faultDomain_0&hash=item2562756f93 I would suggest that you look closely at the enlarged version of the third photograph. The case does not appear to contain a full "Superboard" OSI 600 board. I'm not sure what this thing is, but it is not a normal C1P. In the fifth photo, I think you can see the cable header for the video and cassette I/O hanging loose inside the case. Bill Sudbrink

15 years, 5 months

1
0
0 0

Let me say: WOWZAS

by evan＠snarc.net

Newest addition to the MARCH Computer Museum library is the first several years of the People's Computer Company newsletters. :-) Come to VCF East to see 'em.

15 years, 5 months

1
0
0 0

what is this board?

by chrism3667＠yahoo.com

http://cgi.ebay.com/Vintage-Classic-Computer-Board-/190464352010?pt=LH_Defa…

15 years, 5 months

4
4
0 0

Unusual CMD SCSI thing... Anyone know what this is?

by ian_primus＠yahoo.com

So, in a recent pile-o-stuff, I acquired this SCSI box. The box itself is a generic two bay SCSI enclosure, but inside is mounted some kind of bus interface devices. It's a single circuit board, on a frame that mounts in a half height 5 1/4" bay. The face has a little two line LCD, and some buttons and lights. The board itself is made by CMD. Seems to be model CSB-2200/SDS. The board has what appears to be a SCSI input, and two SCSI outputs. The board contains three NCR 53C90B SCSI chips. Powering the device up, it announces itself as SCEA/S on the LCD. Now, from fiddling with the thing, and looking at what it contains, it *appears* to be some sort of SCSI-SCSI bridge, communicating with two separate busses, and allowing one external bus to use them. But I don't know. Searching on the model number have failed to turn up a manual. Searches for SCEA/S invariably turns up articles about various lawsuits that Sony Computer Entertainment of America have filed against their customers for using devices they purchased in ways that Sony doesn't like. So. Any ideas? I took some pictures: http://i.imgur.com/o9X6s.jpg http://i.imgur.com/TzV67.jpg http://i.imgur.com/SQN0b.jpg -Ian

15 years, 5 months

8
10
0 0

Jupiter ACE PCBs at N8VEM

by lynchaj＠yahoo.com

Thread on Jupiter ACE has been updated with pictures of working home brew computer. Very nice and fits in a 3U rack. Testing continues but appears to be fully operational. Good job Sergio! Thanks and have a nice day! Andrew Lynch

15 years, 5 months

3
3
0 0

cctech Digest, Vol 91, Issue 41

by michael.99.thompson＠gmail.com

> ---------- Forwarded message ---------- > From:?Shawn Rutledge <shawn.t.rutledge at gmail.com> > To:?cctalk at classiccmp.org > Date:?Mon, 28 Mar 2011 00:57:41 -0700 > Subject:?masscomp stuff still available > I already scrapped most of it, so what is left is the set of boards, > manuals, floppies and a mag tape, and one 8" hard drive. ?The boards > can fit in a medium flat rate box (I think, unless I missed something, > but it's a tight fit, depends how much bubble wrap I use) and the > manuals and disks etc. can go media mail, which will be quite cheap > considering the bulk. ?Anybody want it or should I just finally throw > it all in the recycling bin? > > > > ---------- Forwarded message ---------- > From:?Wolfgang Eichberger <oe5ewl at gmail.com> > To:?"General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > Date:?Mon, 28 Mar 2011 11:05:01 +0200 > Subject:?Re: masscomp stuff still available > Rhode Island Computer Museum seems to have one of this systems. (see > https://sites.google.com/site/ricmwarehouse/Home/equipment/masscomp). > maybe they need your stuff? > > -- > Wolfgang Eichberger - OE5EWL > Operating System Collector > Blog: 5ewl.blogspot.com > Homepage: www.eichberger.org Since we have no spares or documentation for the MASSCOMP, the RICM would gratefully accept a donation. If you are from the US you can even claim a tax deduction for a charitable donation. -- Michael Thompson

15 years, 5 months

1
0
0 0

FS. Siemens Nixdorf RM200c (Europe)

by roosmcd＠dds.nl

Hello, Thinning out the collection a bit, I've got a Siemens Nixdorf RM200C for sale running Sinix. There's some information about this machine on http://www.linux-mips.org/wiki/RM_200 but basically it's a Unix machine >from SNI with 133Mhz R47000 MIPS processor running their variant of Unix. I've also got a documentation set and two original sets of installation cd's for Sinix. Weight is not too bad for shipping, it's basically a standard desktop PC. with regards, Michiel

15 years, 5 months

3
2
0 0

Xerox 860 available...

by lbickley＠bickleywest.com

Weirdstuff "rescued" (didn't scrap) a Xerox 860 and held it for me to check out. I did so, and it appears to be complete (w/o diskettes, unfortunately). It consists of the 860 CPU w/(2) 8" FDD, Keyboard, Monitor and Printer. I did not open it up to inspect it. Here's a couple of links on this system: http://www.digibarn.com/collections/systems/xerox860/index.html http://www.computerhistory.org/collections/accession/102646130 (The CHM link is a PDF of the original 860 brochure...) If you are interested in acquiring this system, please contact me off list and I'll let you know who to contact at WS. I have no financial interest in this transaction... Regards, Lyle -- Lyle Bickley, AF6WS Bickley Consulting West Inc. http://bickleywest.com "Black holes are where God is dividing by zero"

15 years, 5 months

1
0
0 0

Data Recovery from DEC RL02

by robin＠hx-20.com

Hello all, I know someone who wants to recover data from one of these 10MB disk packs. They have no drive, no RLV12 controller and (unsurprisingly) no PDP-11. I haven?t seen the disk pack in question so I have absolutely no idea of the condition although I am led to believe it has been looked after, stored properly and doesn?t have a crash...! Of course the pack owner has no idea of the data they?re after (whether it be ASCII, EBCDIC, binary etc..) so that?s another unknown quantity! Is there anyone here who is able to assist with this? Maybe initially to produce a binary image of the disk for further exploration? If yes, (how much) would you charge for this service? Many thanks Robin

15 years, 5 months

2
1
0 0

Data I/O Series 22 device list

by ian_primus＠yahoo.com

I have an ancient Data I/O Series 22 Prom programmer, and I'm looking for the manual/device list. I haven't used it in many years, but I know I have the paper manual with the setup instructions and such, but then there was also an expanded device list with setup codes that I had as a text file. Does anyone have that device list text file? I tried google, but wasn't able to locate it. I know I have to have it around here somewhere, either on a computer or printed out, but I can't find it for the life of me. -Ian

15 years, 5 months

2
1
0 0

Fwd: NYT Obituary for Paul Baran (full text)

by spedraja＠gmail.com

--------- March 27, 2011 Paul Baran, Internet Pioneer, Dies at 84 By KATIE HAFNER https://www.nytimes.com/2011/03/28/technology/28baran.html Paul Baran, an engineer who helped create the technical underpinnings for the Arpanet, the government-sponsored precursor to today?s Internet, died Saturday night at his home in Palo Alto, Calif. He was 84. The cause was complications from lung cancer, said his son, David. In the early 1960s, while working at the RAND Corporation in Santa Monica, Calif., Mr. Baran outlined the fundamentals for packaging data into discrete bundles, which he called ?message blocks.? The bundles are then sent on various paths around a network and reassembled at their destination. Such a plan is known as ?packet switching.? Mr. Baran?s idea was to build a distributed communications network, less vulnerable to attack or disruption than conventional networks. In a series of technical papers published in the 1960s he suggested that networks be designed with redundant routes so that if a particular path failed or was destroyed, messages could still be delivered through another. Mr. Baran?s invention was so far ahead of its time that in the mid-1960s, when he approached AT&T with the idea to build his proposed network, the company insisted it would not work and refused. ?Paul wasn?t afraid to go in directions counter to what everyone else thought was the right or only thing to do,? said Vinton Cerf, a vice president at Google who was a colleague and longtime friend of Mr. Baran?s. ?AT&T repeatedly said his idea wouldn?t work, and wouldn?t participate in the Arpanet project,? he said. In 1969, the Defense Department?s Advanced Research Projects Agency built the Arpanet, a network that used Mr. Baran?s ideas, and those of others. The Arpanet was eventually replaced by the Internet, and packet switching still lies at the heart of the network?s internal workings. Paul Baran was born on April 29, 1926, in Grodno, Poland. His parents moved to the United States in 1928, and Mr. Baran grew up in Philadelphia. His father was a grocer, and as a boy, Paul delivered orders to customers in a small red wagon. He attended the Drexel Institute of Technology, which later became Drexel University, where he earned a bachelor?s degree in electrical engineering in 1949. He took his first job at the Eckert-Mauchly Computer Corporation in Philadelphia, testing parts of radio tubes for an early commercial computer, the Univac. In 1955, he married Evelyn Murphy, and they moved to Los Angeles, where Mr. Baran took a job at Hughes Aircraft working on radar data processing systems. He enrolled in night classes at the University of California, Los Angeles. Mr. Baran received a master?s degree in engineering from U.C.L.A. in 1959. Gerald Estrin, who was Mr. Baran?s adviser, said Mr. Baran was the first student he ever had who actually went to the Patent Office in Washington to investigate whether his master?s work, on character recognition, was patentable. ?From that day on, my expectations of him changed,? Dr. Estrin said. ?He wasn?t just a serious student, but a young man who was looking to have an effect on the world.? In 1959, Mr. Baran left Hughes to join RAND?s computer science department. He quickly developed an interest in the survivability of communications systems in the event of a nuclear attack, and spent the next several years at RAND working on a series of 13 papers ? two of them classified ? under contract to the Air Force, titled, ?On Distributed Communications.? About the same time that Mr. Baran had his idea, similar plans for creating such networks were percolating in the computing community. Donald Davies of the British National Physical Laboratory, working a continent away, had a similar idea for dividing digital messages into chunks he called packets. ?In the golden era of the early 1960s, these ideas were in the air,? said Leonard Kleinrock, a computer scientist at U.C.L.A. who was working on similar networking systems in the 1960s. Mr. Baran left RAND in 1968 to co-found the Institute for the Future, a nonprofit research group specializing in long-range forecasting. Mr. Baran was also an entrepreneur. He started seven companies, five of which eventually went public. In recent years, the origins of the Internet have been subject to claims and counterclaims of precedence, and Mr. Baran was an outspoken proponent of distributing credit widely. ?The Internet is really the work of a thousand people,? he said in an interview in 2001. ?The process of technological developments is like building a cathedral,? he said in an interview in 1990. ?Over the course of several hundred years, new people come along and each lays down a block on top of the old foundations, each saying, ?I built a cathedral.? ?Next month another block is placed atop the previous one. Then comes along an historian who asks, ?Well, who built the cathedral?? Peter added some stones here, and Paul added a few more. If you are not careful you can con yourself into believing that you did the most important part. But the reality is that each contribution has to follow onto previous work. Everything is tied to everything else.? Mr. Baran?s wife, Evelyn, died in 2007. In addition to his son, David, of Atherton, Calif., he is survived by three grandchildren; and his companion of recent years, Ruth Rothman. __ _______________________________________________ IP : A community of Interesting People devoted to improve our interconnected World. IP at wiwiw.org http://lists.wiwiw.org/mailman/listinfo/ip BLOG http://wiwiw.org/ip ***New*** -- Saludos - Greetings - Freundliche Gr??e - Salutations Sergio http://www.linkedin.com/in/sergiopedraja http://www.quora.com/Sergio-Pedraja https://www.xing.com/profile/Sergio_Pedraja ----- No crea todo lo que ve, ni crea que esta vi?ndolo todo

15 years, 5 months

1
0
0 0

masscomp stuff still available

by shawn.t.rutledge＠gmail.com

I already scrapped most of it, so what is left is the set of boards, manuals, floppies and a mag tape, and one 8" hard drive. The boards can fit in a medium flat rate box (I think, unless I missed something, but it's a tight fit, depends how much bubble wrap I use) and the manuals and disks etc. can go media mail, which will be quite cheap considering the bulk. Anybody want it or should I just finally throw it all in the recycling bin?

15 years, 5 months

2
1
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FS: EAI TR-20

by pat＠computer-refuge.org

I'm working on liquidating some things to help pay for a new acquisition. And, that means that I'm finally getting around to selling one of my EAI TR-20s. Another one was donated to CHM, and I'm keeping the third one for now. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=220761050013 Let me know if you have any questions. I also expect to list at least one DG Nova4 system shortly. Pat -- Purdue University Research Computing --- http://www.rcac.purdue.edu/ The Computer Refuge --- http://computer-refuge.org

15 years, 5 months

1
0
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Unusual CMD SCSI thing... Anyone know what this is?

by tshoppa＠wmata.com

> It's a single circuit board, on a frame that mounts in a half height 5 1/4" bay. The > face has a little two line LCD, and some buttons and lights. The board itself is made by CMD. > Seems to be model CSB-2200/SDS. A slightly later iteration of CMD RAID controller (note that this is, in the true SCSI sense, a "controller" and not a "host adapter with smarts") has a bit more condensed packaging and very similar user interface: http://cgi.ebay.com/CMD-CRD-5440-RAID-Controller-Device-P-N-CRD-005440-304-… Chronology: CRD-5440 was late 90's. I'm guessing the one you have is an earlier iteration, early 90's? Tim.

15 years, 5 months

4
4
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Free: Various Mac gear (Seattle)

by derschjo＠mail.msu.edu

As I continue to clean, I continue to unearth stuff I no longer have too much of a need for. For example, I have no idea why I have 10 classic-form-factor Macintoshes. Sure, they're cute, but perhaps ten is too many? Perhaps you would like one of them? Here they are: - Mac 512Ke - Needs repair (analog board needs some TLC). Someone at some point hacked the rear case up in order to fit a Mac Plus motherboard in there (different port arrangement). Otherwise, a fine looking Mac (yellowed as they all seem to be.) I can provide this with both the 512K board and the Plus board, if you want. - Mac SE - No hard drive or floppy, analog board needs repair, serious screen burn-in, and the case is fairly yellowed. No case screws. Looks like 4mb of memory. - Mac Classic - In great shape (no yellowing), 4mb RAM, 80mb drive, currently has System 7.5 on it. Screen size vacillates a bit on disk access, perhaps a power supply problem? - Mac Classic II - In great external condition (no yellowing at all) but shows signs of bad RAM at startup (vertical bars on the display). I cannot find my mac-cracking Torx wrench or I'd open it up and verify what it's got in it. Screen looks nice, drive spins up... I also have a pair of spare Mac SE boards. I do not know if they work, but I see no reason why not. They look to be fully populated with 4mb RAM, each. No keyboards or mice are included with these (oddly enough, I find myself without any to spare...) Anyone interested? I'll be donating these to RE-PC in Seattle next weekend if there are no interested parties here. I'd prefer local pickup, but I could probably be convinced to ship these, since they're pretty small and easy to pack... - Josh

15 years, 5 months

2
1
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Jupiter ACE PCBs at N8VEM

by lynchaj＠yahoo.com

Hi! One of the N8VEM builders (Sergio) has made a home brew computer that is compatible with the Jupiter ACE. He would like to know who else would like to get PCBs. Please see the N8VEM mailing list for more details. http://groups.google.com/group/n8vem/browse_thread/thread/92dffe470cf5f8a8# <http://groups.google.com/group/n8vem/browse_thread/thread/92dffe470cf5f8a8> On a completely different topic Another N8VEM builder (Sergey) has made a home brew XT compatible ISA board He would like to know who would be interested in PCBs. http://groups.google.com/group/n8vem/browse_thread/thread/e39d06eb9d4518a3 Thanks and have a nice day! Andrew Lynch

15 years, 5 months

1
0
0 0

MicroVAX 3100 Model 95 Damaging SIMMs?

by robert.jarratt＠ntlworld.com

I have a MicroVAX 3100 Model 95 (KA51) which seems to be damaging my SIMMs. It will work for a while and then one or more SIMMs will fail. The failed SIMMs have always been in SET 0. Sometimes it has been just one SIMM, this time it seems to have been the whole set of 4. Is it really possible for the CPU to do this? Anyone got a KA51 they don't want? Regards Rob

15 years, 5 months

2
5
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Don't buy from ebay seller carp-o-matic

by legalize＠xmission.com

<http://legalizeadulthood.wordpress.com/2011/03/25/dont-buy-from-ebay-seller…> -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://legalizeadulthood.wordpress.com/the-direct3d-graphics-pipeline/> Legalize Adulthood! <http://legalizeadulthood.wordpress.com>

15 years, 5 months

1
0
0 0

on the trail of Mel, the Real Programmer

by jonnosan＠gmail.com

Many of you will be familiar with the story of Mel, the Real Programmer [ http://www.pbm.com/~lindahl/mel.html ] in which Ed Nather (writing in 1983) relates his experience from 20 years previously in attempting to patch a BlackJack program written by his ex-colleague (Mel Kaye) for the ancient RPC-4000 computer, and how the complexity of the code he had to work through left him so impressed with Mel's familiarity with the inner workings of the computer that he abandoned the attempt to patch the code and even 20 years later, he still held Mel as the archetype of a "Real Programmer". I first came across the story on a BBS sometime the early 90s, at a time when I was just starting to become competent with x86 assembly code, and self-modifying code was a pretty fascinating idea, as was extreme performance optimisation. Then recently I came across the Mel story again, and went looking to see what (if anything) of the legendary machines and codes had made their way into the retro-computing archives across the net. The 'holy grail' would be a copy of the original BlackJack program with the back-to-front cheat option, and major bragging rights would come from being able to make the patch that Ed Nather had given up looking to make. I'm not there yet. What I have found so far is: - What looks to be a dump of a paper tape copy of the BlackJack game for the LGP-30, the predecessor to the RPC-4000 [ ftp://ftp.informatik.uni-stuttgart.de/pub/cm/lgp30/papertapes/Games/bkjck.tx ] - A copy of the RPC-4000 reference manual, with description of registers and opcodes [ http://www.bitsavers.org/pdf/royalPrecision/RPC-4000/RPC-4000_Programming_M… ] - Documentation for the RPC-4000 version of BlackJack, written by Mel Kaye, including what seems to be a writeup of the feature that Ed was asked to make work correctly ("PLAYING CONVENTIONS...8:. If SENSE SWITCH 32 is depressed, there is a better than normal chance of an ace being dealt as the player's first card"). [ http://www.bitsavers.org/pdf/royalPrecision/RPC-4000/programWriteups/W1-01.… ] >From looking at the opcodes in the programming manual, I believe that the loop in question must have been based around opcode 21 "COMPARE MEMORY GREATER", with the eventual 'overflow' to opcode 22 (TEST MINUS). I don't know what sort of work this loop would have been doing, although given the program documentation clearly states program execution starts at 00000, and that is also where (in the story) control is eventually transferred to once the loop exits, the loop must have been some kind of post-game cleanup, ready to re-start. So my current theory is - the data stored in the upper memory locations is the card deck, (stored initially perhaps as numbers 1..52) - as cards were "dealt" they were marked as such by (e.g.) setting the sign bit - the loop without apparant exit is going through the pack removing the 'dealt' marker, prior to being shuffled at the start of a new game. It is apparent that Ed's memory was not completely accurate; not completely surprising given the 20 year gap from when the events occurred until when they were documented. He mentions the clue that helped him understand the way the loop exited as being the fact that the index register bit was set even though Mel never used the index register, and says this index register bit is "between the address and the operation code in the instruction word". However reference manual is clear that the index register bit is the least significant bit, and in fact the opcode bits (0..4) are adjacent to the data address bits (5..16). I can't see any way the index bit could have been part of the loop/overflow.

15 years, 5 months

1
0
0 0

Faulty Apple Lisa 2/10 Drive - No longer an issue

by jonas＠otter.se

ard at p850ug1.demon.co.uk (Tony Duell) wrote: > All the religions that I've come across require oyu to beleive in > that > religious system to get to their idea of heaven. As an agnostic, I > don't > meet any such criteria. So if there is a hereafter, I am going to end > up > in hades... > > -tony Assuming that religions actually know or really care about what their particular deity thinks, says and/or means. IMO religions do not necessarily represent their deity correctly, they are prone to (mis)interpreting their own scriptures to suit their own personal interests. If there is a hereafter, I would expect a lot of people to be unpleasantly surprised after their deaths. However, we shall all find out sooner or later :-D /Jonas

15 years, 5 months

1
0
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IBM system/32 for sale - Omaha, NE

by tosteve＠yahoo.com

I am passing this info on - I have no connection or further info: ----------------------- Dave has for sale what looks like a complete IBM System/32 computer system near Omaha, NE. It's describe as "From January 1975 - a low-end business computer." Here's the IBM webpage: http://www-03.ibm.com/ibm/history/exhibits/rochester/rochester_4017.html See Dave's many fine photos of his system here: http://picasaweb.google.com/IBMSystem32/ Contact HIM at: ibmsystem32 at gmail.com -----------------------

15 years, 5 months

1
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Faulty Apple Lisa 2/10 Drive -READINGS!

by terry＠webweavers.co.nz

Found those capacitors. Yes, they were indeed the trio that were clustered together. All the -ve sides clustered together, and the +ve wired to a motor output connection just as you said. I spent tonight extracting the IC and the capactors. It went surprisingly smoothly considering this is probably the smallest circuit board I've worked on in terms of closeness of tracks. Now to just wait until the ICs arrive from Hong Kong. I hope it's not by slow boat. I've ordered and paid for the ICs but have yet to hear any kind of acknowledgement apart from the standard paypal reciept. I've also bought an X/Profile emulator. Luckily I've managed to sell one of my Osborne 1s for $340 NZ (about $255US) to help part-pay for it! So, here's hoping BOTH Lisas will be up and running 100% soon!. An ominous sign in the Lisa 2 though. Yesterday it would just suddenly switch off I was testing this drive. A little jiggling and waiting a while, then a switch on and it would suddenly go again. Could be something loose, or could be the PSU starting to give up the ghost. I have a spare working (I think) PSU, so I might have to call that into service....or attempt a repair if that's indeed the problem. Maintence/repair is an ongoing process with this old iron isn't it. Terry > Take a look at one of those HP drive schermatics I mentioned. If you are > working from one of 'my' schematics, oyu want ot look at the sheet > entitled 'Sony Floppy Drive Spindle Motor Sheet (3)'. You'll see the > TA7259 chip. Connected to the inputs are the 3 hall devices H1-H3. > Connected ot the outpus are the 3 motor windings -- notice how the other > end of these windings are all linked together, but go nowhere else -- > that's the 'star' (or 'wye') configuration I was talking about. And just > to the left of the widnigns are 3 capacitors C11, C12, C13 wired in > another star circuit. > > I have no idea what the capacitors will be labelled on your PCB. They are > likely to be a simular value. See if you can find 3 cpaacitors, arounf > 10uF each, with the +ve side wired to a motor output connection on the > chip and the 3 -ve sides all linked together. It might be the 3 > capacitors cludered just to the right of the chip in the photo, it might > not. You cna use the resistance range of your multimeter to check what is > connected to what, of course. > > Alas without the PCB in front of me (and thus being able to trace > connections) I don;t think I cna be more definite. > > -tony > > > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1204 / Virus Database: 1435/3442 - Release Date: 02/13/11 >

15 years, 5 months

12
42
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FS: Televideo Terminal

by nick.allen＠comcast.net

I have one left, last 2 sold for $150, this one has quite abit of yellowing and several lab stickers on it, therefore I am only asking $100. It is fully functional, buyer to pay for actual shipping (or free local pickup, I am in Chicago)

15 years, 5 months

3
3
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where the P112 kits are

by dgriffi＠cs.csubak.edu

Feedle I were under the impression that the P112 kits from that last bit we didn't know existed were sent out in January. An email from someone wondering where his kit was the first hint that something was wrong. Here is the email I got from Feedle regarding this problem: ===begin quote=== I'll ship him a kit on Thursday. I don't have the spreadsheet handy: send me his address directly and I'll generate a label today for tomorrow's mail run. We may have a problem, however. So, I handed the kits to the "[Person] Friday/Executive Assistant" at the executive office suite I have my office at back in January. About a month ago, I noted that there is a new person at that desk. I didn't think much of it, but I remember overhearing a water cooler conversation about how the previous one was fired. I sent an E-Mail message yesterday to the EA role account asking if she could look in the USPS account to see when they were shipped and what the tracking numbers were. "Oh, you didn't hear?" is never a good thing when starting this sort of conversation. Apparently, the previous EA was fired in early February, precisely because she was so bad at her job that .. well, she wasn't doing it. So, the short of it is, there's no tracking numbers for the packages sent, if they were even sent at all. The only evidence that they have that the packages I gave them even existed is the fact that when I dropped them off she put them in the log for billing purposes (it's worth noting that my internal account was charged for the flat-rate postage). There is no record in either the Click N Ship account they use, nor in the paper logs they keep for packages that are hand-handled and metered with the conventional postage meter. Where the packages actually are is, at the moment, an exercise left to the reader. I'm now really worried: because according to my notes, that makes two out of the eight (?) people who ordered kits from you who haven't received them. In looking at the notes: I _DID_ ship Steve Hirsch a kit in that January shipment. I'm obviously not happy about this from the "services I'm paying for as a tenant in a fairly pricey executive office center" perspective. The Management has already assured me that they will compensate me somehow for the lost materials... but I stressed upon them that the worst part is the "one-of-a-kind" nature of the kits: that this was the tail end of a production run, and I don't have enough parts to just make more. Plus, there's the lost goodwill: you personally depended upon me to get those kits shipped out, and I probably let you down. Anyway, I'm going to meet with the office manager in a couple of hours to have a more in-depth conversation about what can be done about this. I'll keep you posted. ===end quote=== Since the email was sent, I had a phone conversation with Feedle about this. The kits were found stashed in a cupboard along with some seventy other packages this now ex office assistant never posted. So, you WILL get your kits. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

15 years, 5 months

2
1
0 0

Ebay fee change as of 4/1

by jws＠jwsss.com

I read an AP article that says that Ebay will start charging as the Ebay fee charge, not 10% of the selling fee or $50, whichever is less, but rather 10% plus the shipping charges. I would encourage everyone here who is selling a 300# printer for $50 to take a close look at whether to sell anything on ebay anymore if this is accurate. I sort of sympathize with Ebay in trying to clamp down on the crop of people who now have low prices (buy it for a buck) but $30 shipping costs. However this move pretty much makes me want to pull everything I have, as there will be a negative outflow on my account by my calculation for my Wyse terminals ($40) etc. by the time I sell them. I'm not interested in paying people to take my stuff. Jim

15 years, 5 months

15
26
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HP150 Touchscreen again

by ard＠p850ug1.demon.co.uk

A couple of months ago I asked about diagnosing problems with the TOuchscreen board in an HP150. Well, I took some time off that project [1] but finally got back to it. I decided in the end to make a text unit that would plug into the touchscreen PCB, produce the clock signal, accept the sync and data signals and display the status of the 35 beams on LEDs. [1] Sort-of classic computer related. I've been writing a set of articles for HPCC on how to fix HP9800 machines. Being me, I built it from TTL (actually HC and HCT parts). It only took me a couple of afternoons do design and build it. It starts with a 4MHz master clock, divided down with a couple of '393 counters. A '30 adn '138 produce a paair of spaced clcok pulses from this, a '02 combines one ofthes with the sync signal from the tocuhscreen. These are all latched in a '175 to procude 3 clocks -- the clock to the touchscreen PCB, a clock to sample the data from the touchscreen PCB and an end-of-scan pulse to latch the received data and send it to the LEDs. The data is shifted into '4094 shift registers/latches whihc feed a couple of rows of LEDs. The powrr supply stats as 12V from my bench supply. That feedsthe +ve input of the touchscreen. A 7805 powes the logic and LEds inthe test box. And a 7660A provides the -12V supply for the tocuhscreen PCB. Anyway, after connecting it to the defective tocuhscreen PCB, I found that one of the beams appeared to be blocked all the time. Blocking other beams got the appropriate response from the test box, so I was pretty sure the logic was all working properly. Since I knew which beam was malfunctioning, I tested its IR LED in-circuit with an ohmmeter (system powered down, of course, It read differnetly >from the others either side of it, so I desoldered it and tested it out of circuit. It's open. So the guy who told me that the emitter (LED) was the most likely failure was right. Now all I need to do is find a replacement. -tony

15 years, 5 months

2
6
0 0

Jean Bartik

by evan＠snarc.net

Last of the original ENIAC programmers died this morning. :( http://blogs.computerworld.com/18018/jean_bartik_last_of_the_original_eniac…

15 years, 5 months

1
0
0 0

IBM 1130

by cc＠informatik.uni-stuttgart.de

Hi everyone, I've transferred all IBM 1130 diagnostic decks and put them on our FTP server (ftp.informatik.uni-stuttgart.de/pub/cm/ibm1130/cards/diags). I've also added the several maintenance manuals for the IBM 1442 reader-punch to the docs directory. Christian

15 years, 5 months

1
0
0 0

CMD CDI-4240 DSSI-SCSI converter - help needed

by p.gebhardt＠ymail.com

Hi everybody, during the upcoming weeks, I'm going to migrate my web- and ftp-server from an Alphaserver 4100 to my VAX 4000-300 (running VMS). In order to obtain enough disk space for ftp combined with little energy consumption, I'd like to get to work this decent DSSI-SCSI converter from CMD. Problem is that the only documents, I found on bitsavers, are for the CDI-4000 with a different PCB, having less jumpers and connectors, plus being at different positions than on the board I have. Can anybody give me a little help with the jumper configuration of that thing ? Or better, have docs regarding jumper and connector meanings ? Exact model is : CDI-4240/AF with a LCD display at the front. Help is heavily appreciated and helps making the VAX as the new host for my web- and ftp-server a success ! Best regards, Pierre ------------------------------------------------------------------------------- Pierre's collection of classic computers : http://classic-computing.dyndns.org/

15 years, 5 months

1
0
0 0

KLH10 Status / any1 tried to compile on Windows?

by oe5ewl＠gmail.com

Hi all, after stumbling around in the internet I ran across KLH10 again. Having it up and running fine and smoothely on my linux box I thought it'd be nice to have it run on my Windows-Laptop I have to use for work too (my only M$-Box here, runs Win7/64bit). Anyone already tried to compile KLH10 under Windows? Did a quick try, but get stuck loads of compiler errors /warnings. At least with my Standard MinGW/Code:Blocks dev.toolchain. Okay, I didn't tweak much. Maybe someone already got it to compile, I'd appreciate if you'd be willing to share code with me. Otherwise I'd begin to fix the various compiler-warnings and errors. By the way: KLH-10 development seems to be paused at the moment - does anyone know something about the current status? Regards, Wolfgang -- Wolfgang Eichberger - OE5EWL Operating System Research Blog: 5ewl.blogspot.com Homepage: www.eichberger.org

15 years, 5 months

6
17
0 0

Anyone have a Fluke 9010A Z-80 pod to sell?

by ethan.dicks＠gmail.com

Hi, All, I know that pods are rarer than base units, but I thought I'd ask if anyone had a spare 9010A Z-80 pod to sell. Lately, I've been using my 6502 pod (which I got from another list member some time ago) to debug Static PET issues, and it looks like I might be helping to restore some vintage arcade machines including a Gorf (which is Z-80 based) and I'd like a pod to match. I'd also probably use it to track down a memory problem I have with a TRS-80 Model III that seems stuck at 32K (testing the RAM in a working Dynamic PET is not revealing any bad chips). So before hitting certain auction sites and such, I wanted to check here first. Thanks, -ethan

15 years, 5 months

1
0
0 0

RL02 drive tuneup

by greid57＠o2.co.uk

Hi all, this thread has turned up at the right moment... I'm beginning to resurrect an 11/23 system so I can get stuff off an batch of old RL01's & RL02's. If it hadn't been for the comments about the foam filter, I'd have found out the hard way! The foam was like an exihibit from the Mummy's tomb - just crumbled away as soon as it was touched! So, I suppose it's safe to run the drive for a while *without* this filter, but is there anything to use as a short-term substitute? Also, if I leave the head-lock in place, and try to run up the drive with a pack, would it run up to speed so I could leave it to 'purge' the pack before powering-down and *then* allowing the heads to load? These packs and drives have not been stored in the best conditions, which is why I want to take precautions. Thanks for any suggestions, Graham Reid

15 years, 5 months

7
12
0 0

DEC Q-bus and compatable boards

by useddec＠gmail.com

Here is a partial list of DEC boards I have available. I have approximately 100 DEC compatable boards, including Dilog and Emulex. Shipping is $10 for one boarrd and $15 for two or more within the US. (Please inquire if outside the US.) If you need anything not listed, please feel free to contact me off list. M3107 DHQ11 $30 M7504 DEQNA $35 M7546 TK50 $25 M7559 TQK70 $50 M7944 MSV11-B $20 M7949 LAV11 $39 M8943 DLV11-J $75 M8044 MSV11-D $20 M8186 1123cpu $75 M8189 1123+ $125 Thanks, Paul

15 years, 5 months

2
1
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KLH10 Status / any1 tried to compile on Windows?

by oe5ewl＠gmail.com

KLH10 under some sort of linux under Virtualbox under Windows is doable. With networking. Configuration can be a bit tricky, but usually isn't. An atom box could be a elegant way to but, spoken for me, I definately need something portable to carry around. Thank you for all answers so far, Regards, Wolfgang -- Wolfgang Eichberger - OE5EWL Operating System Research Blog: 5ewl.blogspot.com Homepage: www.eichberger.org 2011/3/22 Zane H. Healy <healyzh at aracnet.com>: > At 4:17 PM -0700 3/21/11, Rich Alderson wrote: >> >> The usual response from that quarter to running KLH10 on Windows is that >> one ought simply to use a VM and run it on Linux. > > This was my thought. ?One question, how well does networking function in > such a setup? > > Another solution would be a cheap Intel Atom box running Linux. ?This is the > route I've wanted to take, just haven't found the time or money. > > Zane > > > > -- > | Zane H. Healy ? ? ? ? ? ? ? ? ? ?| UNIX Systems Administrator | > | healyzh at aracnet.com ? ? ? ? ? ? ?| OpenVMS Enthusiast ? ? ? ? | > | ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?| Photographer ? ? ? ? ? ? ? | > +----------------------------------+----------------------------+ > | ? ? ? ? ? ? ? ? ? ? My flickr Photostream ? ? ? ? ? ? ? ? ? ? | > | ? ? ? ? ?http://www.flickr.com/photos/33848088 at N03/ ? ? ? ? ? | >

15 years, 5 months

1
0
0 0

ANN: DiscFerret R0031 Microcode and C API 1.1r1

by classiccmp＠philpem.me.uk

Hi guys, I've just uploaded the DiscFerret R0031 Microcode and a new version of the C API (libDiscFerret) to the DiscFerret website: http://discferret.com/wiki/DiscFerret:Downloads Changes include: * Microcode 0031 - Add a "track 0 reached during seek" status bit. This is cleared when a seek begins, and set if the seek operation was terminated because the TRACK0 input went active. - Fix some issues with "over-seeking" (in some cases, the DiscFerret could send a seek pulse even though TRACK0 was active). * Libdiscferret 1.1r1 - Add support for the "track 0 reached during seek" status bit - Add support functions for disc seeking: set seek rate, recalibrate, seek relative and seek absolute. These remove the need to play bit-twiddling games with the various seek controller registers: simply figure out which track you want, and tell the library to seek to that track. The register changes have been ported to the Python API, but the seek functions have not. "Porting these functions to Python is left as an exercise to the reader." I'm still working on a proper C-API tutorial, but the Doxygen documentation should be enough to figure out the basics. Last but not least, in case you missed my "King of the Lab" comment earlier this week -- I've got a working pinout for the NEC 8in floppy drive used in the early-PC98-series external drive box. You also have to flip a jumper... I know, real difficult :) Details on how to make this work with a DiscFerret will be posted "soon". As in, as soon as I figure out how to create a fairly nice looking, readable pin-connection diagram... Comments, bug reports and feature requests are, as always, welcome. Thanks, -- Phil. classiccmp at philpem.me.uk http://www.philpem.me.uk/

15 years, 5 months

1
0
0 0

DEC 872-A power controller docs?

by tiggerlasv＠aim.com

On Mon Mar 21 13:04:33 CDT 2011, Chris Elmquist chrise at pobox.com wrote: > Then the very bottom panel piece on mine has a roughly 1" x 3/4" > rectangular hole cut in it near the right side. A white rocker switch > with ( 1 / 0) embossed on it will fit that hole though and serve as my > master on / off for the rack (via that 872-A PDU) I guess. Most (if not all) of the "newer" BA11 chassis and/or power supplies will already have the same 3-pin connector you're talking about. If you have a BA11-L chassis, take a peek at the H777 power supply. It has a power distribution board that should have a 3-pin molex connector marked "J5". Connecting this pin-for-pin to the 3-pin connector on your H872-A power controller will turn on all of the switched outlets on the power controller, whenever the 11/34 is powered up. You can daisy-chain addiitonal power controllers, using the 2nd 3-pin connector on the H872-A. As for the hole on the kick-plate. . . I'm not sure what that's for -- I've seen it before though. T

15 years, 5 months

2
1
0 0

Three phase and IBM

by bknittel＠quarterbyte.com

Anyone have direct, real-world experience in setting up three phase for IBM gear, particularly the 3880 and the 3803 (dasd and tape) controllers? I need to know how to determine if the setup needs to be wye or delta. And, if you're local to the SF Bay Area, there will be some smoke-test parties coming up. (Scary parts of the work performed by a licensed electrician). Hands on help before, during and after will be appreciated. Pizza will be provided.

15 years, 5 months

12
25
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DEC 872-A power controller docs?

by chrise＠pobox.com

Are there any documents for a DEC 872-A Power Controller floating around? The 872-A is a 12A, 110V power distribution/control unit that I have in the bottom of my "corporate rack". Specifically I'm interested in what the signaling is on the two, 3-pin Molex jacks labled "DEC Power Control Bus", which presumably is a means to remotely control the power to the devices in the rack via this PDU. Chris -- Chris Elmquist

15 years, 5 months

7
13
0 0

Three phase and IBM

by jonas＠otter.se

Fred Cisin wrote: > Don't necessarily trust "electricians" or utility companies either! > > 35 years ago, in a brand new building (roof, but no floor yet), landlord's > electrician and PG&E wired the three phase for my compressor wrong, > providing ~200 volts to all of the outlets. Today at lunch, one of my co-workers told us about an occasion a number of years back, when an electrician at the local electricity company (in a small town in Sweden) had made a wrong connection, feeding the whole area about 300V instead of 220V. Apparently it cost the power company millions to replace all the freezers and fridges that had burnt out. /Jonas

15 years, 5 months

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IBM 1130 restoration @ VCF East

by evan＠snarc.net

Yet another awesome reason to attend VCF East 7.0: witness the beginnings of a "live restoration" of our museum's IBM 1130 mainframe, conducted by Norm Aleks and Brian Knittel, both of http://www.ibm1130.org ... they're traveling all the way from Berkeley, California. http://www.vintage.org/2011/east http://www.facebook.com/vcfeast7 http://www.snarc.net/vcfe7flier.pdf

15 years, 5 months

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Three phase and IBM

by bknittel＠quarterbyte.com

Examination yesterday showed: * All connectors have 4 pins, and one wire is green * Labels in most of the gear just says "see manual" but two pieces are clearly (and multiply) labeled "wired for 208V" * Schematics show everything wired phase-to-phase, no neutral * 110V "convenience outlets" are run from a step-down transformer between 2 phases So, it appears to be 208V delta. I can run this from a wye-output transformer, though, right? Its plate says 208V phase-to-phase. Brian

15 years, 5 months

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Three phase and IBM

by brian＠quarterbyte.com

One thing I forgot to mention: all of the three phase plugs have a label that indicates the required phase direction.

15 years, 5 months

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Anyone have a big iMac collection?

by trag＠io.com

> Date: Sat, 19 Mar 2011 17:27:36 -0700 > From: Bruce Damer <bdamer at digitalspace.com> > Hi folks, does anyone in the Bay Area or California have a big "multi > color" iMac G3 collection (from late 1990s-2001 or so)? A guy is > asking the Digibarn about this but all we have is one Bondi Blue model. > I remember seeing photos of some guy's basement, which was well appointed with stylish furniture and it was all holding his collection of macs in a ready-to-use fashion. Part of his collection was a large assortment of "flavors" of imacs. It was a truly impressive display. Unfortunately, I have no memory of where I saw these pictures. I'd guess it was a link from 68kmla or applefritter, but I am not certain of that. Someone on one of those two sites might have a clearer memory of what I'm thinking of. Of course, there's no saying that the collection is still extant, nor that it's geographically located as you specified. Jeff Walther

15 years, 5 months

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Manuals / jumper map for NEC FD1165 with G9NYB PCB

by classiccmp＠philpem.me.uk

Hi guys, Does anyone have a copy of the OEM manual (or service manual) for the NEC FD1165 disc drive variant which had the "G9NYB" controller board? I've got one of these on the bench, which I'm trying to attach to the DiscFerret. The jumper settings don't make sense, and the location and function diagrams in the manual on Bitsavers are for a drive with a G9NYF controller board... Does anyone have a jumper map or a copy of the manuals for this thing? Thankfully the power connector was labelled -- thank you NEC! Unfortunately the two DIL terminator resistor packs have been snaffled, and I'd rather like to know if the G9NYB used the same 150-ohm resistor pack the G9NYF used before I go installing a bunch of MR25 resistors in their place (seeing as I haven't got any 150R x8 DIL packs) Thanks, -- Phil. classiccmp at philpem.me.uk http://www.philpem.me.uk/

15 years, 5 months

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Smoke From PSU Socket

by robert.jarratt＠ntlworld.com

I was given a DELNI recently, but it did not seem to work so I unplugged it for later inspection. I just plugged it in now and it went up in smoke, knocking out all the sockets in the house. I have opened it up and the curious thing is that none of the capacitors has or any other component of the PSU is showing any signs of damage, there is scorching only around the socket itself. I am not knowledgeable on PSUs, what does this mean? Thanks Rob

15 years, 5 months

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Three phase and IBM

by CCTECH＠beyondthepale.ie

> >Examination yesterday showed: > >* All connectors have 4 pins, and one wire is green >* Labels in most of the gear just says "see manual" but two pieces are clearly > (and multiply) labeled "wired for 208V" >* Schematics show everything wired phase-to-phase, no neutral >* 110V "convenience outlets" are run from a step-down transformer between 2 phases > >So, it appears to be 208V delta. > >I can run this from a wye-output transformer, though, right? Its plate says 208V phase-to-phase. > Yes. If there aren't any three phase loads that care (such as motors), then you don't need to worry about which order the phases are connected in. The only other thing I can think of is to check that the transformer can supply the required current. Regards, Peter Coghlan.

15 years, 5 months

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Radio Shack Science Fair manuals

by p.tomasik＠uj.edu.pl

Hi, I have found your message from 2006 y. about science fair 200-in-one manual. cat no 28-249 I have found just this model in the basement and i like to give it to my children. however it has no manual. I will be grateful if you could send me an electronic copy of your manual. I will be able to send you scans of Marklin (germany) catalogue of Trains 00 and 0 gauge and some model cars from 1938 y. if you wish. Best regards Przemek -- dr hab. med. Przemys?aw Tomasik Zak?ad Biochemii Klinicznej Polsko-Ameryka?ski Instytut Pediatrii Uniwersytet Jagiello?ski Collegium Medicum ul. Wielicka 265 30-663 Krak?w, Polska

15 years, 5 months

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