test-drb December 2004

test-drb@ccmp.vtda.org

243 participants
530 discussions

pdp-11 boot rom id's? & vtserver on an 11/44

by pete＠dunnington.u-net.com

On Dec 7 2004, 23:02, quapla(a)xs4all.nl wrote: > This is a list from the M9312 manual, it is afaik the complete list. The flat text file on my website is about twice that size :-) And you've got some that aren't on that list, Ed, in your 11/70. > I have all except the 753A9. I have at least one of those. -- Pete Peter Turnbull Network Manager University of York

21 years, 2 months

Any former Philips/Magnavox VideoWriter users/owners/hackers?

by GOOI＠oce.nl

Still, I have got one. At least if you are referring to the Philips "VideoWriter", the Philips 'wordprocessor' with the smallish rectangular CRT and a 3.5" floppy drive next to it. I bought such a unit (with keyboard) for 50 Euro (approx. $65) to use the CRT in my StarShip, so my intentions were not so good for it :-) However, the vertical size of the CRT is a bit too high; its width is perfect. So in the end I can not use the CRT in my StarShip and have a VodeoWriter in the attick. Never considered selling it because the weight would increase the costs with a factor 2 ... If I ever intend to do something with it, I now know where to get the electrical diagrams, Jos :-) - Henk, PA8PDP. > Am dinsdag, 07.12.04, um 11:37 Uhr (Europe/Zurich) schrieb David Vohs: > > > Hi all! I was just wondering if we happen to have any former > > Philips/Magnavox VideoWriter users/owners/hackers in the house? > > David M. Vohs > > Digital Archaeologist & Computer Historian > > probably not, but I have schematics ( somewhere...) > > > Jos

21 years, 2 months

Norsk Data

by lists＠microvax.org

Hi, I was wondering if anybody knew of any Norsk Data emulators - specifically i'm interested in an ND-10 emulator. cheers! alex/melt

21 years, 2 months

Power supply dead?

by vcf＠siconic.com

I've got one of them TI Silent 700 Model 703 portable data terminals. The external power supply that comes with it is 20VAC. It's got three conductors on the connector. I can't get any voltage out of it. Is it dead? Or is it that it needs to sense a loop or something across all pins before it starts emitting juice? Not likely, I'm sure, but I thought I'd ask before I start tearing this apart to see if it has an internal fuse. Any ideas? Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

21 years, 2 months

Shipping heavy equipment

by sethm＠loomcom.com

Well here's a fine mess I've gotten myself into... I need to ship a MicroVAX 3800 (BA213 case, about 110 pounds, give or take) to Pennsylvania. Granted, it's no 11/780, but it's certainly bigger than I've ever shipped before. Does anyone have any suggestions about the cheapest way to do this? (Hopefully one that will also ensure that the beast gets there in one piece, of course!) For reference, dimensions on a BA213 are approx. 14" by 20" by 26". -Seth

21 years, 2 months

Shipping heavy equipment

by SUPRDAVE＠aol.com

In a message dated 12/7/2004 9:49:02 PM Eastern Standard Time, sethm(a)loomcom.com writes: Well here's a fine mess I've gotten myself into... I need to ship a MicroVAX 3800 (BA213 case, about 110 pounds, give or take) to Pennsylvania. Granted, it's no 11/780, but it's certainly bigger than I've ever shipped before. Does anyone have any suggestions about the cheapest way to do this? (Hopefully one that will also ensure that the beast gets there in one piece, of course!) For reference, dimensions on a BA213 are approx. 14" by 20" by 26". -Seth ----------++ If you have access to the shipping department of where you work, that's a big help. I do, and there's all kinds of pallets and packing options to choose from. One idea is to find a smaller size pallet than the standard 40x48 and use plastic or metal bands to secure it to the pallet and then plastic wrap and send it. Old server boxes and crates are great for reuse here. All you'd have to do then is carry to a DHL station or similar and do the paperwork. It's easier that what most people think.

21 years, 2 months

PDP-11/45

by jwest＠classiccmp.org

At long last I've decided I've gotten enough HP systems restored, so I'm turning my attention to one of my other systems that's been rescued but not restored - a PDP-11/45. Yes, I'm going over to the dark side ;) I've scrounged the web looking for sites where a /45 has been restored for tidbits, advice, etc. and found Guy's site to be a good intro on the refurbish process and what to expect. It would appear my /45 is extremely minimally configured, no I/O cards, and only 4k or 8k of core. It's in pretty sorry shape I must say, but definitely restorable at least from a cosmetic standpoint - we'll see about the functioning side of things. I wanted to ask if anyone would care to share any gotcha's that may not be obvious, specifically with regards to initial cleanup, inspection, and testing. I'd really like to convert the thing from core to semiconductor memory, and hopefully get an RL02 up on it. One thing specifically I wanted to ask applies to many systems not just my /45. What have most of you found to be good for working with scratches or gouges in painted metal? I'm thinking like the side panels of the H960 cabinet, etc. I'm not into painting really but was considering using an airbrush to touch up lots of scratches and perhaps blending the new paint in with the old areas. Perhaps this would come out worse? Exactly what kind of paint should I get, can I have a paint dealer reliably scan existing surfaces with their color cameras to generate the correct hue? Suggestions? Jay West --- [This E-mail scanned for viruses by Declude Virus]

21 years, 2 months

pdp-11 boot rom id's? & vtserver on an 11/44

by pete＠dunnington.u-net.com

On Dec 7 2004, 14:59, Brad Parker wrote: > > Does anyone have a 'big list' of pdp-11 boot rom id's? (should probably > be in the same place as a repository - is that being set up?) I'm happy to keep PROM images beside the ROM images (mostly QBus) that I already have; unfortunately my PROM programmer is being uncooperative at the moment (or rather, I think the PC to which it's attached is misbehaving). If anyone wishes to contribute, feel free to email me :-) The only two relevant files I have online at the moment are a list of the PROMs I know about, and the pinouts of the common types: http://www.dunnington.u-net.com/public/DECPROMs/ -- Pete Peter Turnbull Network Manager University of York

21 years, 2 months

Removing adhesives, was Re: Reel-to-reel tape decks (was: Re: ZX81 denigrated!)

by technobug＠comcast.net

On Mon, 06 Dec 2004 John Foust <jfoust(a)threedee.com> commented: > At 12:25 PM 12/6/2004, Roger Merchberger wrote: >>> Goo Gone comes in a plastic bottle, Goof Off is more harsh >>> and comes in a can. As did "lighter fluid", it's naptha cousin. >> >> Huh? AFAIK, lighter fluid *is* naptha -- > > Yes, but Goof Off may be naptha plus something else. > > - John For contents see <http://www.valspar.com/val/resident/msds.jsp> (for the Valspar products you need a UPC code to get the corresponding data sheet). In the US, all chemical product require a published Material Safety Data Sheet (MSDS) which have all the active ingredients... CRC

21 years, 2 months

Suggested power for TU-56...

by eric＠brouhaha.com

David Corbin wrote: > Looking for suggestions on supplying the DC power to a TU-56..... You need +5V at 0.8A and -15V at 0.8A, both regulated to +/- 10%. (You can optionally use +10V at 0.8A instead of +5V, with suitable wiring.) It should be easy to find a surplus triple-output power supply with +5 and +/-15V, and simply not use the -15V output. New, these cost around $70-80. It may be easier and/or less expensive to use separate 5V and 10V power supplies. For instance, Digikey has wall-wart style switchers that are suitable: T920-P5P 5.0V 2.4A $14.03 each T924-P5P 15.0V 1.0A $14.03 each Since they are isolated (as all common AC-to-DC power supplies are), you can use them as positive or negative supplies. Eric

21 years, 2 months

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test-drb December 2004