test-drb January 2017

test-drb@ccmp.vtda.org

198 participants
283 discussions

Does anyone have docs for a Ventel brand MD212-plus modem?

by ethan.dicks＠gmail.com

Hi, All, A friend of mine just returned a modem he got from me decades ago, a Ventel MD212-plus. It's an early-1980s non-AT-command-set autodialling modem. The settings are adjusted via a pair of 10-pin DIP switches accessible from the back. I've checked the web and bitsavers. So far, all I've found is some old Usenet articles and a couple of pictures, but no manual or jumper guide. One "feature" is that it lacks a modular jack to plug into the phone system. Fortunately, my friend kept the proprietary DA15 cable. I've never seen that choice of connectors on any other modem. Does anyone have any Ventel docs? Thanks, -ethan

9 years, 1 month

DS12887 pcb substitute with battery

by aek＠bitsavers.org

someone just pointed this out on vcfed https://oshpark.com/shared_projects/qyNfzAMf

9 years, 1 month

Imlac PDS-1D

by sellam.ismail＠gmail.com

Hi Josh. I hope you've been well. I noticed you posted recently about have an Imlac PDS-1D. I'm curious how you came across it as there aren't many out there as you observe. I notice you're still trying to get the DPS-6 online. I'm surprised Al Kossow hasn't been able to help with the operating system software at least. Sellam

9 years, 1 month

IBM Maintenance Manuals (3203, 3704, 3803, 4341)

by thrashbarg＠kaput.homeunix.org

Hi List, I've had eleven IBM binders with maintenance information in them here for years. They're not doing anything useful so I'm inquiring here if anyone wants them. These are the labels on the spines: 3203-5 MLM , 4 TO 17 , VOLUME 02 3203-5 MLM , 18 TO 28 , VOLUME 03 3704 MLM , VOL 888 [note 1] 3704 ALD , AS CA SB , VOL 4 3704 ALD , YZ , VOL 1 3704 ALD , CC , VOL 2 3704 ALD , MX , VOL 6 3704 ALD , LB , VOL 8 3803 MLM IPC INST GUIDE [note 2] 3803 MLM TAPE SPECS [note 2] 4341 MI P.S. WIRING DIAGRAMS (YE) VOL 41 1: ALD scribbled out and MLM written under it in marker. VOL 888 in pen. 2: Written in pen Obviously not a complete set and I can't guarantee the labels match the contents, but I hope it'll help someone. I'm located in Adelaide, Australia. Feel free to contact me off-list. I can provide photos. Cheers, Alexis.

9 years, 1 month

ISO: Honeywell DPS-6 things

by michael.99.thompson＠gmail.com

> > From: jim stephens <jwsmail at jwsss.com> > Subject: Re: ISO: Honeywell DPS-6 things (Josh Dersch) > > On 1/19/2017 5:26 PM, Michael Thompson wrote: > > The RICM has a DPS-6, and another with an Ultimate label on it that may > > have a Pick processor. > I can help with this. Where is there information about this system? > thanks > Jim > There is some information here: http://www.ricomputermuseum.org/Home/equipment/honeywellultimate-level-6 -- Michael Thompson

9 years, 1 month

Sparc software on Optical media. (ebay alert)

by jwsmail＠jwsss.com

I post this not so much as an ebay to buy, though if anyplace could be found with the means to use this it is on this list. someone had an optical MO drive at some point and wrote their backup and a Solaris (probably 2.5 or later) software onto two disks. now it's a big oops if you don't have the drives. I figure someone here to pop up and point one out on ebay, or have one. Optical-Disk-128-MB-Fujifilm-230-MB-Maxell-Sparc-Software http://www.ebay.com/itm/172492434487 Just late night chuckle. Oh, he has a cheapo SS20 (compared to others), $49 bucks, but 42 shipping (if it goes that cheap). Sun-SparcStation-20-/ http://www.ebay.com/itm/172490706990 I'll be digging out an Blade 100 and 150 soon. thanks jim

9 years, 1 month

TS05AA drives?

by cclist＠sydex.com

I've been offered a DEC TS05AA drive at a pretty good price. Before I agree to the deal, I have a few questions that the DEC people can answer. 1. I understand that this drive is a rebadged Kennedy 9610. Corect? 2. The interface is supposed to be SCSI, but what kind of SCSI? 3. Do all 9610s have 800 NRZI support 4. What's your opinion of these drives in general? Thanks, Chuck

9 years, 1 month

Bus and Tag Telex drive listed (Ebay alert)

by jwsmail＠jwsss.com

The same vendor which listed the CDC Keystone drives also has listed a pair of Telex drives with Bus & Tag. I don't recall who has the incoming 4341, but this would be a great and for the mainframe, compact half inch tape subsystem. I would check, but I believe this would have all you need for hooking it up from what the listing says for two drives. Located in Sacramento, Ca, would need freighting & shipping, as auction is marked local pickup only. Hope someone saves them. Probably way more compact and less fuss the 3420's. I doubt anyone will find many 3411's which would be the next most desirable, since it also has a builtin controller if you get the 370 version. With the 3411, you have to watch out for IBM 36 or some such which looked the same, but only had a single Bus cable to the host. But I digress. the 18" x 18" x 18" block of steel you don't have to deal with in the 3803 and probably 900# of just the controller makes a lot of difference. Thanks Jim Telex-8020-Model-266-Controller-with-Tape-Drive-One-additional-Tape-Drive http://www.ebay.com/itm/272516253336

9 years, 1 month

How do you clean your vintage computers?

by barythrin＠gmail.com

Am I misremembering or wasn't denatured alchohol the recommended type when cleaning rubber type computer parts (i.e. rollers in laser printers). I thought isopropyl dried them out. ?I don't know the affects on either other than that though.

9 years, 1 month

Compatibility of 1101A and 1101A1

by vintagecomputer＠bettercomputing.net

Ok. ?I'm assuming they can work together then? ?I have scoured the net and found a couple of pics of mark-8 boards with a mix of 1101a and 1101a1.. or maybe thats why they werent working? :) Sent from my Samsung device -------- Original message -------- From: dstalk at execulink.com Date: 2017-01-20 2:54 PM (GMT-08:00) To: cctalk at classiccmp.org Subject: Re: Compatibility of 1101A and 1101A1 On Fri Jan 20 15:19:24 2017 vintagecomputer at bettercomputing.net (Brad H) wrote: > > I have some C1101A RAMs I was planning to use in my Mark-8 project.? I'm > having trouble finding more, as previously mentioned because the price has > shot up so much.? I'm wondering, I'm finding lots of P1101A1 RAMs with the > correct date codes.. are those compatible with C1101A/P1101A?? I don't > understand what the 1 at the end signifies. > According to my TI manual the 1101A is 1500 ns while the A1 is 1000 ns.

9 years, 1 month

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test-drb January 2017