test-drb November 2017

test-drb@ccmp.vtda.org

126 participants
149 discussions

by jnc＠mercury.lcs.mit.edu

So if someone's building an earlier -8 from bits and pieces, here: https://www.ebay.com/itm/192350321318 is something they might find useful - an empty chassis. (I'm not associated with the seller, although I've bought stuff from them before. They have some other PDP-8 stuff listed, too.) Noel

6 years, 5 months

snippit of R2E hisoty on the surplus market. DEALIN'' ELECTRONICS date??

by COURYHOUSE＠aol.com

Later in life when Bull owned R2E there was a z-80 with either just floppy or floppy and hard drive... I have a catalog of an outfit surplussing a group of them in USA called DEALIN'' ELECTRONICS in Palo Alto. Date? Ed Sharpe archivist for SMECC

6 years, 5 months

RK06 dirve

by billdegnan＠gmail.com

Does anyone out there have an DEC RK06 drive? Bill

6 years, 5 months

RL02 Spinup fails

by aaron＠aaronsplace.co.uk

Hi everyone, I have managed to hook up an RL02 drive to my PDP-11 (thanks to Dave Wade for the drives) . This took me longer than I thought it would - I tried with a flat ribbon cable with a DIY terminator going straight into board , but couldn't get it to work. Removed the terminator, and the fault light turned off. So that's positive. I tried to load a cartridge, which I had cleaned, inspected and generally appears to be in good condition. It started to spin up and I could hear it getting faster, but after 30-40 seconds the fault light returns. I made a short video demonstrating this: https://www.youtube.com/watch?v=japwBBodO8U According to the manual the fault light can appear for the following reasons: - Drive select error... Surely this would come on at the start? - Seek time out error... I'd have to hear the heads move first - Write current in heads during sector time error... Same as above - Loss of system clock... The fault light would be on from the start. - Write protect error... I don't think it got that far - Write data error... Same as above - Spin error... Is this the only remaining fault? So could the only cause be a spin error? I am wondering if the belt is slipping or something like that? Can anyone offer some advice? Thanks, Aaron.

6 years, 5 months

Sun part available, new old stock

by sales＠elecplus.com

I have no idea if these are old enough to be useful. Not affiliated with seller, etc. WTS Sun MODULES, NEW, qty 300, CALL, New Surplus Sun Accessories and Modules We have quantities of the following Sun part numbers. All stock is new/surplus. SUN 594-3394-01 SUN X4444A SUN SG-XPCIE1FC-QF4 SUN QLE2460-SUN-X0 SUN X6920A SUN X7282A-Z SUN X4422A-2 SUN X4447A-Z SUN X4445A SUN 375-3418-01 SUN X4213A SUN X5043A-Z SUN 375-3382-01 Contact us at sales01 at assetlc.com for additional details. Thank you. Asset Life Cycle, LLC Phone: (785) 861-3100 Fax: (785) 861-3193 sales01 at assetlc.com Cindy Croxton Electronics Plus --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

6 years, 5 months

H7826 PSU, No Signal On Transformer Outputs

by robert.jarratt＠ntlworld.com

I have moved on with the work on the H7826 PSU in the TURBOchannel Extender. However I have found that there appears to be no signal at all on the output windings of the transformer. I have posted all the details of what I have been doing here http://robs-old-computers.com/2017/11/05/repair-progress-on-the-h7826-power- supply/, and I would welcome any suggestions as to what might cause this? Thanks Rob

6 years, 5 months

"Left a home full of computers" Craigslist ad

by jnc＠mercury.lcs.mit.edu

> From: Peter Cetinski >> I was left a home with all of its contents tons of electronics and >> computers, call if you want me to send pics > FWIW, I received some pics of these items. So, what else was there (that you don't mind telling us about because you're not grabbing them... :-)? Noel

6 years, 5 months

looking at buying a pocket PC / PDA

by r_a_feldman＠hotmail.com

>From: Fred Cisin <cisin at xenosoft.com> >Is there a reason to AVOID mentioning the Poqet? Yes... >The original MSRP at announcement was WAY too high, and priced it out >of the market, but the actual/street price wasn't bad. >Larger keyboard that the HP (which was otherwise a better deal for the price) True, but the HP keyborad is not that bad. >AA batteries with long life. Yep. HP LX is the same. >two PCMCIA slots (before PCMCIA was officially named and standardized) But they are pre-PCMCIA 1, so do not handle a full range of card types, such as CF. >Bus connector, with a few unobtanium accessories, such as 3.5" drive. If you want, I can send you a mask image that I made many years ago for a serial connector for the bus port that you can etch. > Had LOTUS available as a ROM card! The HP LX has Lotus 1-2-3 in ROM. >MS-DOS 5.00 - I learned how to write TSRs on one. Same for the HP LX. The main reason, apart from the non-standard PC Card slots, not to get one (and I have three -- one working and two non-working) is that the video cable tends to break where it flexes at the case hinge and it is next to impossible to repair it. Bob

6 years, 5 months

"Left a home full of computers" Craigslist ad

by COURYHOUSE＠aol.com

YEA BUT THAT ASR 35 IS WORTH GOING AFTER IF YOU ARE CLOSE! ED# In a message dated 11/6/2017 10:43:32 A.M. US Mountain Standard Time, cctalk at classiccmp.org writes: > On Nov 5, 2017, at 1:46 AM, jim stephens via cctalk <cctalk at classiccmp.org> wrote: > > I don't know anything but the ad copy the poster placed. > > I'd think there might be more to the story if someone is in Southern New Hampshire and can contact and perhaps visit. Londonderry, north west from Lawrence, Lowell, Ma. > > https://nh.craigslist.org/sop/d/teletype-printer/6369045622.html > > "Antique teletype for sale it has been indoors with other computers that are 20plus yrs old , Also have a new Radio Shack TRS80 ,with all the software and hardware ,printers,disc drives all like new , I was left a home with all of its contents tons of electronics and computers, call if you want me to send pics" FWIW, I received some pics of these items. The TRS-80 is far from being in new condition. It?s quite a bit beat up and worn.=

6 years, 5 months

"Left a home full of computers" Craigslist ad

by jwsmail＠jwsss.com

I don't know anything but the ad copy the poster placed. I'd think there might be more to the story if someone is in Southern New Hampshire and can contact and perhaps visit.? Londonderry, north west >from Lawrence, Lowell, Ma. https://nh.craigslist.org/sop/d/teletype-printer/6369045622.html "Antique teletype for sale it has been indoors with other computers that are 20plus yrs old , Also have a new Radio Shack TRS80 ,with all the software and hardware ,printers,disc drives all like new , I was left a home with all of its contents tons of electronics and computers, call if you want me to send pics"

6 years, 5 months

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test-drb November 2017