test-drb April 2021

test-drb@ccmp.vtda.org

104 participants
75 discussions

by technoid6502＠gmail.com

There's a nice, working PDP 11/23 with 20 meg hdd and 1meg (!!) of ram, with terminal screens indicating full operation. The asking price is $900.00, but I imagine the fellow might negotiate. Shipping is gonna be a fair penny. best, Jeff

2 years, 12 months

Apple 3.5" drive issue

by nospam212-cctalk＠yahoo.com

Moved recently and finally have space to set up the collection and play with it. I've set up my Apple IIgs and a Macintosh Plus and in testing they are still working but while doing so I've noticed an issue with the 3.5" drives. I have an Apple Superdrive and 4 Apple 3.5 Drives on the IIgs and where they all work as far as reading and writing, only the Superdrive can actually eject the disks. The Mac Plus has the internal drive and an external Apple 800K drive, both of which work except not being able to eject disks either. So out of 7 drives, I have one that doesn't need a paperclip to eject the disk. Haven't opened them up to look at them yet, wanted to see if this is common and suggestions on possible causes to check. Thanks. David Williams www.trailingedge.com

2 years, 12 months

Photo Sharing (Was RE: DEC BA11-K KY11-L mounting brackets -- how?)

by dave.g4ugm＠gmail.com

> Wow, sorry about that... Do folks here have an alternative service they > like/recommend for sharing linked photos to the list? > They work fine for me in the "New" Edge, Chrome and Firefox. Noel, do you have the updated Chromium based Edge or "Legacy" edge ? Not sure why they don't work for Noel in edge. If anyone still has the old now called "Legacy" Microsoft Edge note it is no longer supported or updated and its probably time to ditch it ... https://www.theverge.com/2021/3/9/22321779/microsoft-edge-legacy-spartan-bro wser-support-ended In my experience some one has issues with every photo sharing site I have used. > cheers, > --FritzM. > > Dave

2 years, 12 months

DEC BA11-K KY11-L mounting brackets -- how?

by jnc＠mercury.lcs.mit.edu

> From: From: Fritz Mueller > two solutions come to mind -- the one you mention here with nut and > washer, or inserting a hex-head machine screw in the other direction. > Either the nut or the hex-head screw could then be secured with a small > combination wrench. Well, if you put the bolt in first (which you'd kind of have to do, if going >from front to back, with the adapter already mounted to the KY11-L), you'd have to hold it in place while you offer the KY11-L up to the BA11-K. Which was why I was originally thinking, put the bolt in in the other direction, which you can do after you put the KY11-L+adapter in place. But that brings up another idea: put the bolt in place (on the adapter), use a first (thin) nut (with washer, if necessary) to hold it in place, then bolt the adapter to the KY11-L bezel, then mount the whole works up to the BA11-K. Not sure which would work better. I'd probably go with the 'pointing forward' bolt, and use a lock-washer (or one of those nuts with integral lock-washer), and then you can mostly tighten with a Phillips driver from the rear. But the extra washer might be easier to put together (if it doesn't push the KY11-L bezel too far forward). Noel

2 years, 12 months

Might be the wrong forum to ask

by van.snyder＠sbcglobal.net

I have some old stuff, that's not really computer stuff, so this might be the wrong forum to ask. But it might be the right people. 1. Sears Model 564.21600300 monaural portable tape cassette player, with external mic and switch. It works, but it needs a new spindle belt. Tape plays, but only the capstan advances it, so it gets tangled up inside the box. I found a 5v power cube that works with it, even though it says it wants 6v. 2. Sony SVR-2000 Tivo DVR. It appears to work, but I don't have the remote, so it doesn't do anything other than cycle through its warnings about not having been connected to the telephone and made the monthly call to collect the fee. 3. Tivo Series 2 DT Digital Video Recorder, model TCD649080. Says "Welcome! Powering Up..." but I waited for half an hour and it didn't do anything else. It was connected to my network (the lights on the RJ- 45 socket were blinking) but my router couldn't see it. I have the remote for this. Any of these are yours for the price of shipping -- or local pickup in 91214. Van Snyder van.snyder at sbcglobal.net

2 years, 12 months

DEC BA11-K KY11-L mounting brackets -- how?

by jnc＠mercury.lcs.mit.edu

>> From: Fritz Mueller >> my brackets just have a punched oval hole at the bottom, and not a >> "tapped hole" per your description above. > The adapters on mine look _almost_ identical to yours, but _definitly_ > have a #8 press fit threaded bushing at the bottom. Now that I've thought about it for a bit, I wonder if you can use a nut-and-washer in place of the press fit threaded bushing at the bottom (but otherwise all the hardware,and insertion directions, will be the same); it will be kind of difficult to get the nut in there with the KY11-L pressed up to the front of the BA11-K (which is probably why they went to the press fit threaded bushing) - maybe hold it with a pair of needle-nose? Noel PS: Thanks for the URL for the knob; I'm going to order a couple of spares (the DEC originals have a tendency to break).

2 years, 12 months

DEC BA11-K KY11-L mounting brackets -- how?

by jnc＠mercury.lcs.mit.edu

> From: Fritz Mueller > Pictures of my brackets should be viewable at > https://photos.app.goo.gl/wni3mDAQHozK9Ho27 I couldn't get them to display on my modern Window laptop, using either the Edge or Explorer browsers. I had to get my wife to show them to me on her Apple laptop. Not a great site to use for photos. > The interesting/confusing bit for me is the bottom part... In the > second picture you can see that my brackets just have a punched oval > hole at the bottom, and not a "tapped hole" per your description above. Odd. The adapters on mine look _almost_ identical to yours, but _definitly_ have a #8 press fit threaded bushing at the bottom. Then there are a pair of holes in the folded-over bit, and a pair of machine screws go through superimposed holes in the flat part, and into tapped holes in the KY11-L bezel, which hold the adapter to the bezel. The 1" long #8 machine screw then holds the adapter to the tabs in the BA11-K. To do the other mounting hardware, in Henk's picture, there's a flat metal plate, with i) a hole in each end, and ii) a threaded hole in the middle. Two machine screws (#8, I thihk) hold the flat plate to the bezel, then another screw (#10, maybe) holds that U-shaped piece in Henk's picture to the flat piece, and then a pair of #10 screws hold that to the tabs in the BA11-K. (All machine screws above face forward.) >> I'm too burned out (COVID long haul) at the moment > Something a lot of us are going to have to face in the upcoming > months/years, it seems -- wishing you best! Hey, it could be worse! :-) Has the classic computers commuinity lost anyone to COVID? I know we've lost a few in the last year, but I don't recall if any were COVID. Noel

2 years, 12 months

FTAG: 42U Rack Cabinet, flat packed for collection [London, UK]

by ullbeking＠andrewnesbit.org

Hello all! I am starting a new job next week and returning to a field where my roots are (multimedia engineering, signal processing, etc). Therefore I am vacating my studio workshop and ending a few projects I was working on until recently. I have a lot of industrial and enterprise server hardware to sell or give away FTAG (free to a good home). FTAG: Toten GS Cabinet, 42u, 1000 mm Deep, 800mm Wide, 3 Fixed Shelfs + 2 Fan Units + Cable Management 800mm wide which is easier to work with than a 600mm. However being 1000mm deep it does it mean you can add 670mm servers. It's a relatively large cabinet so you can fit pretty much most rack-mountable servers. It is packaged as a flat-packaged self-assemble rack cabinet in five large, flat-packaged, boxes. I will of course help move them from my office to your van (I recommend collection with a van or courier with van). This item is among the first things I'm giving away because I need to free up some room. This will make it easier to catalog and sell/give away. I will be advertising other items too in the next few days. Post code: N15 4QL (Seven Sisters and Tottenham Hale) Any recommendations for other mailing lists or web forums to advertize this offer are welcome too. Thank you all!! Kind regards, Andrew

2 years, 12 months

RSX11D disks on EBAY- anyone interested?

by lee.gleason＠comcast.net

On 3/3/21 11:11 AM, Al Kossow via cctalk wrote: >>/On 3/3/21 10:42 AM, Lee Gleason via cctalk wrote: />>//>>>/?? The auction starts at? more than I have in my computer budget this month />>/I went ahead and bought these, but paypal contributions to my email would be helpful />>/this is way more than I can afford as well. / >He listed a 11D utilities source disk over the weekend, so that is on its way now too. >I asked and he says he doesn't have any more 'red labeled' DEC disk packs. Did you notice this auction? Looks like not all of his RSX11D stuff is red labelled. This one looks like it might hold a running system. https://www.ebay.com/itm/PDP-11-RK05-RSX-11D-64K-DEC-Digital-PDP/3534108081… -- Lee K. Gleason N5ZMR Control-G Consultants lee.gleason at comcast.net

2 years, 12 months

DEC BA11-K KY11-L mounting brackets -- how?

by fritzm＠fritzm.org

Hi all, I'm reassembling an PDP-11/34 in a BA11-K chassis right now, and am a little puzzled by the front mounting brackets (the ones that hold a KY11-L of either sort on the bottom, and a half trim-panel on the top). In particular, on the bottom half, the available place for screws to go to attach the bracket to the chassis is nearly completely blinded by an overhanging tab. The engineering drawings I've seen are unfortunately not very clear on this... Anybody have an 11/34 in a BA11-K and care to take a peek and tell me how the hardware here is properly configured? (Hex head instead of DEC's ubiquitous Phillips truss, to allow tightening from the side? Machine screw from back, and a nut on the front? Other?) cheers, --FritzM.

2 years, 12 months

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test-drb April 2021