test-drb January 2014

test-drb@ccmp.vtda.org

224 participants
263 discussions

Anyone else getting multiple Digest mailings?

by kevin_anderson_dbq＠yahoo.com

On this e-mail list, plus another one that I belong to (on a totally different server as far as I know), I've started to received multiple copies of the Digest. Up to four copies of each digest are being sent. Same on the other e-mail list I belong to. List owner - was a recent upgrade to the Mailman software put on your server just a few days ago? It seems coincidental that both list, both using Mailman software, are suddenly behaving this way. Kevin Anderson, Dubuque, Iowa

11 years

Need DEC BC80J-20 cable

by js＠cimmeri.com

Subject: Re: Need DEC BC80J-20 cable From: Brad Parker <brad at heeltoe.com> Date: Fri, 03 Jan 2014 10:22:41 -0500 I think I'm looking for one of these as well. Or maybe someone here can point me to what I really want :-) I have an RL02 driver and an RL02 controller, but I seem to have lost/misplaced the "cabinet kit". I could swear I had one at one point. So, the RL02 drive has a terminator and a nice long round cable which seems to have a 2x.1" header. But I believe I need the cable part which is normally install on the cpu cabinet. My guess is it would cable a shielded ribbon cable with a connector for the board header and the other end would have a metal bracket and something to mate with the nice round cable... Is this even close? -brad Brad, From the controller, there's a shielded flat ribbon cable with a Berg on either end. Next is a Berg->RL02 cable adapter which can mount in a distribution panel. Not sure what the RL02 connector is, but it's the same as is on back of the RL02. Next, is the nice round RL02 cable with the special twist-lock connectors on either end. Last, of course, is the RL02 with two connectors, one having a terminator if end of chain. - John S.

11 years

Keeping a Heavy Machine on a Domestic Suspended Floor (UK)

by elson＠pico-systems.com

From: "Robert Jarratt"<robert.jarratt at ntlworld.com> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: Keeping a Heavy Machine on a Domestic Suspended Floor (UK) Message-ID:<068e01cf07f6$bde4ee40$39aecac0$(a)ntlworld.com> Content-Type: text/plain; charset="us-ascii" I recently bought a lovely PDP11/45 in a H960 rack, with the CPU, a Unibus Expansion box and an RK05 drive. I am guessing the whole thing must weigh at least 100Kg, possibly 150Kg or even more (my worst case estimate is 200Kg). I am concerned whether the floor of the upstairs room where I now have it can bear the weight. I have placed it right next to a load bearing wall to ease the strain on the joists. Can anyone tell me what sort of weight a normal UK upstairs floor can bear? If my guessed weight is anything close to the limit I will weigh parts of the machine to get a more accurate idea of the actual weight. Really, compare it to a piano! Even an upright piano weighs more than 200 Kg. I seriously doubt you have any danger. You can probably get the true weight from installation docs on bitsavers. It is possible it weighs more than 200 Kg, but still less than some really heavy furniture or a grand piano. Jon

11 years

2014 started off well here..

by hp-fix＠xs4all.nl

Congrats, a nice find! You should post some pictures. -Rik PS. Gelukkig 2014. -----Oorspronkelijk bericht----- Van: "Jos Dreesen" <jdr_use at bluewin.ch> Verzonden: ?2-?1-?2014 23:24 Aan: "On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Onderwerp: 2014 started off well here.. The local craigslist equivalent yielded a tiny advert "Imsai 8080 computer from 1977". price : 110 USD, negotiable.... The picture was a tiny B/W jpg lifted from the internet, and did not look too promising. The actual hardware ? An absolutely mint, as-new, IMSAI 8080... >from the orignal owner.... with full documtation, including original invoice... in the original IMSAI cardbox ! Also MPU-A and MIO cards.. 24 Kbytes of 2102 SRAM.. all ICs socketed.. with papertape software.... handpulled papertape reader... Needless to say no further price negotiations took place. About the only minus is the MDC-A4 floppy controller, which requires more difficult to find hardsectored disks. ( Original diskdrive and disks were scrapped a long time ago ) I will also need to find some extra s100 connectors to complete the backplane. it seems the '2014 project is defined ! Jos

11 years

Intel MDS 225 system being auctioned by Chicago Transit Authority

by colin.d.howell＠gmail.com

(I'm not subscribed to the list, but I'm passing this along because I thought it would be of interest to list members.) The Chicago Transit Authority is auctioning off a whole load of miscellaneous stuff (including a couple of rail cars!). One of the items being auctioned is what appears to be an Intel MDS 225 "Blue Box" (4 MHz 8085A system) complete with an MDS 720 disk expansion unit and some sort of Control Data hard disk. The specific lot is here: http://ricklevin.nextlot.com/public/lot/15005194?section=photos No idea whether any of the hardware is functional. Bids for the whole lot currently stand at $60. Auction for this lot ends December 18th (Wednesday), 11:10 AM local time (Central Standard Time). More info on the auction can be found via the link above. General news story on the auction: http://www.dnainfo.com/chicago/20131212/downtown/cta-selling-bus-signs-trai… Colin Howell

11 years

VT-180 (Robin) EPROM images?

by ajp166＠bellatlantic.net

> >Subject: VT-180 (Robin) EPROM images? > From: "Robert Armstrong" <bob at jfcl.com> > Date: Sat, 10 Mar 2007 20:23:04 -0800 > To: <cctech at classiccmp.org> > > Does anybody have images of the v2.1 Z-80 firmware for the VT-180 (aka >Robin) ? At least, I think 2.1 was the last version ever released. They >should be DEC part numbers 23-017E3-00 and 23-021E3-00. > >Thanks, >Bob Armstrong I have enough of them laying around I could supply the actual roms. I've never imaged them as It's easier to replace the code outright. Curious why are you looking for them? Allison

11 years

Looking for info on a DTC controller

by azd30＠telus.net

Hi, I came across a qbus card manufacturded by Data Technology Corp. labelled DTC LSI11-2. Has a 50pin header connector upper left hand side when looking at the component side. Searching around on bitsavers revealed a manual for the DTC LSI11-1. It seems to be a disk controller. Does anyone have any info on the 11-2? Switch settings, and/or drives that can be connected to this? I can provide pics of the controller if it would help. thanks alex p.s apologies if this msg shows up twice, e-mail has been acting up today. --

11 years

Apple II+ revised video

by terry＠webweavers.co.nz

I just couldn't let my Apple II+ languish on Youtube in low-def. For those interested the new HD remake here : http://youtu.be/eOsFeKGgEVg

11 years

Commodore SuperPET history and HOSTCM

by rob＠bitscience.ca

My apologies for the missing links; they got stripped out by the mailing list software. Please see http://seefigure1.com for the various things I referenced. Thanks, Rob Ferguson

11 years

Message from BillDeg

by hp-fix＠xs4all.nl

Can someone put the poor bastard out of this misery ;) I think loosing your short term memory is one of the first signs of Alzheimer.. -Rik -----Oorspronkelijk bericht----- Van: "billdeg at degnanco.com" <billdeg at degnanco.com> Verzonden: ?1-?1-?2014 18:07 Aan: "cctech at classiccmp.org" <cctech at classiccmp.org> Onderwerp: Message from BillDeg Effective Immediately After 16 years of use, it's time to retire billdeg at degnanco.com. Henceforth all emails to billdeg at degnanco.com will be deleted. If you wish to contact Bill by email, please use billdeg at buzz1.com B

11 years

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test-drb January 2014