test-drb March 2014

test-drb@ccmp.vtda.org

175 participants
175 discussions

Control Data CDC Plato system available in Minneapolis

by tosteve＠yahoo.com

Matt writes: --------------------------------------- I have an old Control Data Plato computer and am trying to determine the best way to sell it and value.??I wouldn't feel right throwing it away. Located in Minneapolis, MN. matt at minnesotahometeam.com ???? ---------------------------------------

10 years, 8 months

Pdp11 2.11bsd floppy direct access

by roe＠liveblockauctions.com

I'm trying to figure out how to access an rx33 floppy disk on a pdp11/83 without going through the disklabel process. It would be nice if I could write a tar archive to a floppy with my Linux system, and extract it on the 11/83. Unfortunately, since the rx33 looks like any other MSCP disk to unix, it doesn't seem to want to access the floppy unless a disklabel (and file system) is present. I'm sure there must be some way to get actual raw access to the floppy drive under 2.11bsd, but I can't seem to figure it out, and I've spent some time looking through the ra device driver source. Frustration levels are high -:) Anyone have any suggestions? Thanks in advance.

10 years, 8 months

Annual cross country hauling requests

by wdonzelli＠gmail.com

The time has come up once again for me to cross the country, New York to California and back, and points in between, during the April and May timeframe. As usual, I am looking for opportunities to fund the trip by hauling equipment for people. I already have some deals in the works, but could probably use some more (especially in the return leg of the journey). Prices for my services are very reasonable, and I know how to handle classic computers in a nice safe manner, unlike many general freight shippers. So, please think about this and send me a note off list with any sorts of potential pickups and deliveries, and I will see if and how they can be worked into the plan. There is also a very good chance I will be making a trip or two to Chicago (from New York), and would have space going West. This might happen as soon as the snow clears up, before the big trip. -- Will

10 years, 8 months

Goodwill Computer Museum online catalog

by aek＠bitsavers.org

FYI http://db.goodwillcomputermuseum.org/providence/pawtucket/index.php

10 years, 8 months

*FREE* TK-50 cartridges

by lproven＠gmail.com

Not a single bid at one penny on eBay, so does anyone want to save a few of these from the bin? I have a box of about 25 TK-50s here, mostly 3M brand ones. No idea of working condition. Happy to send anywhere in the world for the cost of postage. I have hundreds of jiffy bags (padded envelopes) so not even asking for a donation for packaging - just post at cost. Happy to send via surface post to keep costs down - it's generally about 2/3 the price of airmail. They're in London, UK and you can of course collect for free. Last time I mentioned these I had several requests but nobody's reappeared... -- Liam Proven * Profile: http://lproven.livejournal.com/profile Email: lproven at cix.co.uk * GMail/G+/Twitter/Flickr/Facebook: lproven MSN: lproven at hotmail.com * Skype/AIM/Yahoo/LinkedIn: liamproven Tel: +44 20-8685-0498 * Cell: +44 7939-087884

10 years, 8 months

Group buy for PDP-8/e/a/f/m 32K RAM kit ends Monday

by vrs＠msn.com

Just a reminder -- the money collection phase of the group buy ends at the end of the month. On Tuesday, I plan to place the board and component orders based on whatever I've received by then. We have 42 paid units for the group buy so far, an excellent response! There are still three folks who expressed interest, but have not paid. If you want one of these, now is the time! Here are the details again, in case you need them: The 32K RAM kit is for an Omnibus card that should work in the PDP-8/e, 8/f, 8/m, and 8/a: - Complete kit, including battery, PCB and parts. Soldering required. Includes IC sockets for the RAM kit, but not for the prototype area. - The amount is $95, including shipping. If you are outside the USA, please add $20 for shipping. - Please make Paypal payment to this email address. It will show my wife's name, Hildebrand. (My initials are vrs, and that email is just my initials at msn.com.) - Ordering for this project will close March 31, 2014. - The kits are expected to ship by May 8th. (Long PCB turn time is used to keep the price down.) - Please allow up to 10-days for delivery. Some features of the kit: - Battery backup with long life. - Inhibit on power fail to prevent memory corruption. - Easy to build, with all through-hole parts. - Provides full 32K memory in a single card slot. - Cooperation with any mix of core memory or ROM boards. - Compatibility with the Omnibus. - Most of the full Omnibus board area is laid out for prototyping. - High quality board with gold fingers, plated holes, silk screen and solder-mask. You can read Steve's article about the prototype here: http://www.tronola.com/html/ram_for_pdp-8e.html Thanks, Vince PS I tried to send this yesterday, but it seems to have never arrived. Apologies if that version (or this one) appears after the end of the month.

10 years, 8 months

Best wishes to the VCF East attendees

by jws＠jwsss.com

I hope you all document what you guys do, and the rest of us can look at photos and proceedings as you can put up. I'd also look in on a hangout, or look at webcam coverage if it is going to be up. thanks jim

10 years, 8 months

IBM 6-ring Field Engineering binders

by BHuntsman＠mail2.cu-portland.edu

Anyone know where I could find some of those really old IBM Field Engineering Handbook 6-ring binders, circa System/360 era? Many thanks! -Ben

10 years, 8 months

WTD - 40-track (360K) 5.25in floppy drive

by classiccmp＠philpem.me.uk

Hi guys, I'm trying to get my hands on a 5.25in double-sided 40 tracks per side "360K" floppy drive with the Shugart or IBM PC 34-pin connector (either edge connector or pin header is fine). Does anyone have a spare they'd like to part with? Slight preference for Teac or Mitsubishi, but anything will do at this point. I've checked Ebay, there are tons in the US (complete with "seller does not ship internationally, don't even ask"), but the only ones I've seen >from UK sellers are parts scalpers wanting stupid money for them (?149 "sold untested with no guarantee"? really?). A BBC Micro 40-track drive would also be fine -- as long as it's native 40-track, not 40/80 track switchable or double-stepping (an 80-track drive mated to a PCB which double-steps the head). Cumana, Viglen and a few other companies made these, they were extremely common a few years ago. I'm on the verge of getting DiscFerret write support working (at least for UNIX PC disks) but the sodding thing won't read anything my 80-track drives have written! I'd rather not borrow the 3B1's drive - the DiscFerret is experimental and a benchtop lashup is hardly an ideal scenario. Thanks, -- Phil. classiccmp at philpem.me.uk http://www.philpem.me.uk/

10 years, 8 months

Storage Shelf Life and Reforming Aluminum Electrolytic Fixed Capacitors

by marvin＠west.net

It has been a while since I've seen this publication mentioned, so some of the new people might find this interesting to read: http://www.dscc.dla.mil/Downloads/MilSpec/Docs/MIL-HDBK-1131/hb1131.pdf It is a DOD publication for storage shelf life and reforming procedures for Aluminum Electrolytic Fixed Capacitors.

10 years, 8 months

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test-drb March 2014