test-drb

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101090 discussions

by rigdonj＠intellistar.net

At 06:50 PM 5/3/00 -0700, you wrote: > > >-----Original Message----- >From: owner-classiccmp(a)classiccmp.org >[mailto:owner-classiccmp@classiccmp.org]On Behalf Of Joe >Sent: Wednesday, May 03, 2000 1:12 PM >To: classiccmp(a)classiccmp.org >Subject: Re: Couple of cool HP 110/150 finds > > >>HP-IB ABC switch (92205Y) Used to chain up to 21 external HP-IB devices >>(have you seen one of these before, Joe?) > > I have one but it looks about like one of the standard RS-232 switch >boxs and it only switchs between four (i think!) sets of HP-IB cables. > >Well, it does have three HP-IB connectors but since you can daisy chain the >IB devices, wouldn't that mean that you could have seven chained devices per >port? If memory serves, my box has five HP-IB connectors. One is common and the other four are swtiched. In theory, the HP-IB can have up to 32 devices per bus but many of the devices only have three binary switch postitions on the address switches so you can only set them for addresses 0 through 7. > > > >>HP Series 100 Communicator Volumes 7-12 (very cool) > > Now those are unusual. I have two volumes but I've never been able to >find any more of them. Where did you find them? > >What? You're asking me to give up my most productive source of free or very >cheap vintage hardware. I'll give you a hint... it's the coolest vintage >computer store in Seattle. That doesn't help me any. I'm still on the opposite end of the country. Joe > >These books are great! What a wealth of photos and information. > >Volume 7 (1983) =International Edition. Introduces the HP150. >Volume 8 (1984) =World Wide Edition. Lotus 123. >Volume 9 (1984) =World Wide Edition. General, no specific topic. >Volume 10(1984) =WWE. Local area networking with HP computers. >Volume 12(1985) =Touchscreen II. > >Ernest > >

25 years, 11 months

value of RK05

by CLASSICCMP＠trailing-edge.com

>First thing I have to do is another 4k of core, the 4k I have is not >quite enough to work in. The alternate is to make a RAM card >using 32kx8 parts. Ooh, two parts and you're done :-). (Sorry, couldn't resist. Of course most of the cost is getting the gold-plated fingers on the PCB, in my experience!) Tim.

25 years, 11 months

value of RK05

by allisonp＠world.std.com

>I definitely have RX8E prints so if you don't already, let me know if you >want a copy. There's not much to the board at all, the parts that actually >*do* anything are dwarfed by the drivers/receivers/selection stuff. I can't seem to find the ones I thought I had. If you could copy them that would be a help. At some point I want to do an IDE to omnibus interface, looks pretty simple if one is a willing to take advantage of the 16 bit wide IDE data (yes it wastes 4bits per 16bit word). First thing I have to do is another 4k of core, the 4k I have is not quite enough to work in. The alternate is to make a RAM card using 32kx8 parts. Allison

25 years, 11 months

Applicon Main Frame Item #320691939 on eBay

by whdawson＠mlynk.com

There is no photo, and here's the description: "Applicon Mainframe For sale. Must be moved from current location. Consists of one PDP11 Processor, reel to reel tape backup unit, 200 megabyte memorex removable platter hard drive, 4 autocad terminals with green crts. System was once owned by Fisher Motorbody and used to design car bodies. System is two 6 ft tall standard 19" racks and the external hard drive unit. Each terminal is a build in desk unit with the monitor mounted on a pole in the back and sitting one foot above the desk area. Unit must be moved for the space. Shipping must be paid by the buyer. Best offer and take it away." There's only one bid for $10.00, no reserve, and the auction ends in about 8 hours. Does this sound like something that would be worth driving a little over 300 miles to pick up? The PDP11 description leaves a lot to the imagination. Does anyone know which PDP11 was used by Applicon? Bill Dawson Washington, PA whdawson(a)mlynk.com <mailto:whdawson@mlynk.com> ?

25 years, 11 months

HP 3000/925 available <where?>

by ss＠allegro.com

Mike "biting the hand that feeds him" Ford writes: > >> I have this old HP 3000 that is gathering dust. > > I think the rule we should make is that anyone posting anything weighing > more than 2 lbs without giving the location agrees to pay shipping. ;) Whilst I agree that I should have taken the extra few minutes or so of time it would have required to email the "giver" and ask "where" to benefit the would-be "givee", it's pretty obvious to anyone thinking about it for a bit that I shouldn't shout my "mea culpa" very loudly. I've now emailed Griff to ask him ... and I'll post any reply I get. BTW, I have no idea how the @#$%^ text got so screwed up...it looked fine in Pegasus :) It was probably MIME/rich/some-such, and I've noticed infrequent problems with that kind of text. Sorry! Stan Sieler sieler(a)allegro.com www.allegro.com/sieler/wanted/index.html www.allegro.com/sieler

25 years, 11 months

HP calculator thermal printheads (HP82143, etc)

by pete＠dunnington.u-net.com

On May 5, 23:25, Tony Duell wrote: > I have an HP82143 printer (the HP41 dedicated printer) with a broken > printhead. > > Today I found an 'HP Digest' with an article about these printers. > Aparently the conductors on the printhead are aluminium, which explains > why I couldn't (and still can't) solder to them. And none of the normal > tricks for soldering aluminium (like : Put a drop of oil on it, scrape > the oxide layer off under the oil, immediately try to tin it with solder) > work on this thin film. > > Has anyone here managed to mend a printhead like this? No, but could you use silver-loaded conductive paint? That's what we used to use to repair the printed tracks on membrane keyboards (including Sinclair ZX keyboards). I've used it for a few similar things, and at least one type can be soldered to, with care, after curing. I used to buy it in 3g bottles from R.S., part no 555-156, current stock number apparently is 186-3593 or 101-5621, costs just over a fiver. -- Pete Peter Turnbull Dept. of Computer Science University of York

25 years, 11 months

HP calculator thermal printheads (HP82143, etc)

by ard＠p850ug1.demon.co.uk

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25 years, 11 months

COMDEX Show Guides

by cisin＠xenosoft.com

The fall (Las Vegas) Comdex show guide is about 500 pages of slick material. It has contact info for exhibitors in the form of company name, address, phone number, and a sentence or two of hype identifying their products for over 1000 companies. It's a good way to find companies (as kind of a worldwide yellow pages), or to keep track of who was around and when. One copy is free to anyone attending AT Comdex; sometimes it's easy, sometimes hard, to get extras. Interface Group used to sell them by mail for about $75 I have some extras to get rid of from most of the Fall Comdex's since 86. $1 each (pickup here); or $5 each including shipping; or will trade a dozen for the 1984 one. -- Fred Cisin cisin(a)xenosoft.com XenoSoft http://www.xenosoft.com 2210 Sixth St. (510) 644-9366 Berkeley, CA 94710-2219

25 years, 11 months

value of RK05

by allisonp＠world.std.com

>> Also, is it next to impossible to get the rx8e needed to hook the Rk05's >> to a PDP8/e? > >I think you're mixing up two options here. The thread did. John W mentioned the RX8e and I commented on that. He may have meant the RK8E. >The RX8e is a single card to link RX01 and RX02 units to the Omnibus. I know. >The RK8e is a 3 board set and a cable with a paddleboard on the end to >link RK05 drives to the Omnibus. Also known. >My luck seem to indicate that the RK8e is more common than the RX8e (in >that I was given 3 RK8es and had to buy an RX8e for real money :-(), but >that may not be typical. Same here! I'd like to get a RX8E or RX28E to use with my RX02. Allison

25 years, 11 months

Enough with the MS bashing, please

by allisonp＠world.std.com

>If you've got Samba running on a unix server, and a Samba-exported >filesystem is mounted on some lame Windows box, and a lame Windows user >decides to activate this Microsoft-enabled virus, then sure, Microsoft >lameness can infect non-MS systems to some extent. No surprize. W9x filesystems (FAT16/32) have no real protections save for the samba box validating the connecting host has permissions. It's nature of the filesystem. NTFS is slightly better as the ganularity of control is like unix in that can restrict what is done with the file (readonly for example). Allison

25 years, 11 months

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