test-drb June 2015

test-drb@ccmp.vtda.org

165 participants
285 discussions

by marc.verdiell＠gmail.com

Ah thanks, this is what these are for, thermistors. They are supposed to monitor the temperature somewhere I suppose? Attached to the batteries? The power supplies? The computer won't start without these I understand? Sorry I am a bit of a newbee with HP 1000's. Have not tried to power mine quite yet. Marc >Glen Slick <glen.slick at gmail.com> said >The Temperature Sense Thermistor RT1, normaly 815 ohms, is wired >across the two outside pins of the middle row, pins 4 and 6. >http://www.bitsavers.org/pdf/hp/1000/1000_MEF_EngrRef/92851-90001_Jun79_9.p df >Description page 111 >Schematic page 168

9 years

Need DZQ11 (M3106) Print Set

by jnc＠mercury.lcs.mit.edu

{Re-send, since apparently a lot of mail to CCTalk yesterday went into the bit bucket...} I guess I've struck out here? That's such bad luck; other things, there are multiple copies out there, but apparently none at all of this one... Oh well, I guess I'll start with the DZQ11 TM, and with an ohm-meter try and trace out the initialization circuitry (which is clearly broken) at least. Noel

9 years

Wright Line punch manual

by COURYHOUSE＠aol.com

Yes, that is the one we have here at the museum! yea pretty easy ( compared to a teletype) but we just like to have manuals or copies of them for everything we have here in the various collection areas. Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 6/20/2015 9:39:45 A.M. US Mountain Standard Time, tony.aiuto at gmail.com writes: Like this one? http://www.ebay.com/itm/Wright-Punch-Model-2600-/331580084313 I'm not sure it really needs a manual. I repaired one with a careful disassemble and cleaning. On mine, the cord linking the tension spring to the mechanism had broken. A trip to the hardware store found something similar. It took a few tries to get the right length and tension, but it works now. On Fri, Jun 19, 2015 at 8:27 PM, Dennis Boone <drb at msu.edu> wrote: > Does anyone have routine maintenance information (e.g. user or service > manuals) for the Wright Line manual punches? My newly acquired unit > seems to need a little lubrication. I'll guess if I have to, but... > > This is the variety with the large grey wheel on the side to select the > desired character, and a sort of "wheelhouse" in the middle to hide the > cams, ribbon mechanism, etc. There's no model number sticker on it. > > Thanks! > > De >

9 years

OT: learner kits (was: Re: using new technology on old machines)

by nf6x＠nf6x.net

> On Jun 19, 2015, at 19:19 , Tapley, Mark <mtapley at swri.edu> wrote: > He has a Raspberry Pi, which he pretty much contempts in favor of his laptop, which will play the modern version of MineCraft :-P, but presumably hooking those together might be fun. I suspect that boards like the Raspberry Pi, Arduino, etc. might get a lot more interesting if they can affect the real world. See if a servo motor adds some appeal. -- Mark J. Blair, NF6X <nf6x at nf6x.net> http://www.nf6x.net/

9 years

Wright Line punch manual

by tony.aiuto＠gmail.com

Like this one? http://www.ebay.com/itm/Wright-Punch-Model-2600-/331580084313 I'm not sure it really needs a manual. I repaired one with a careful disassemble and cleaning. On mine, the cord linking the tension spring to the mechanism had broken. A trip to the hardware store found something similar. It took a few tries to get the right length and tension, but it works now. On Fri, Jun 19, 2015 at 8:27 PM, Dennis Boone <drb at msu.edu> wrote: > Does anyone have routine maintenance information (e.g. user or service > manuals) for the Wright Line manual punches? My newly acquired unit > seems to need a little lubrication. I'll guess if I have to, but... > > This is the variety with the large grey wheel on the side to select the > desired character, and a sort of "wheelhouse" in the middle to hide the > cams, ribbon mechanism, etc. There's no model number sticker on it. > > Thanks! > > De >

9 years

OT: learner kits (was: Re: using new technology on old machines)

by mouse＠Rodents-Montreal.ORG

> Is there a reason to prefer 7400 series over CD4000 series logic? If you can find real TTL, yes, I would say so. It's less static-sensitive and it's more tolerant to things like hooking two outputs together by mistake. But note that there are many chips that have more or less TTL interfaces (TTL voltages, TTLish numbers, and in some cases switching thresholds) but are actually CMOS - the 74ALS series comes to mind. Of course, if someone somehow builds CMOS chips with TTL's ESD tolerance, short-circuit tolerance, etc, then great. But that's not what I've seen. /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mouse at rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B

9 years

Intel ipsc/860 [QIC tapes recover]

by plamenspam＠afterpeople.com

I managed to rescue few tapes containg installation sw+c compilers, fortran and forge. While I was trying to make a backup all cartriges broke st some stage due to too old belts. The magnetic tape of 2 of 4 cartriges seems ok. So I'm looking for somone within EU who has experience in this to try to save whatever is possible. Regards, Plamen

9 years

OT: learner kits

by jws＠jwsss.com

On 6/19/2015 8:21 PM, Christian Gauger-Cosgrove wrote: > On 19 June 2015 at 22:38, William Donzelli<wdonzelli at gmail.com> wrote: >> >Let him play Minecraft. Start with simple redstone contraptions, then >> >move to command blocks. >> > > I'm not ashamed to admit I (24 y/o) play Minecraft now and again (with > friends on their own private servers). When I visited ALR, a company in Irvine that evolved into making PC type servers and were absorbed into Gateway (name still is used) had a lab with a lot of hardware stations, and for the time good networking. At about noon or so one one of my visits for Sun Microsystems, about a dozen of the engineers showed up and proceeded to pull out hardware and cables, and displays at various stations and hooked them all up pretty quickly. This was in about 92 or 93, I'd guess. They converted the lab into a big Doom game for about an hour. I also found out the best time to round up and have casual consultations with them about things I wondered about with some systems. Thanks jim

9 years

RK06 alignment pack

by jnc＠mercury.lcs.mit.edu

Anyone need an RK06 alignment pack: http://www.ebay.com/itm/Digital-Equipment-RK06-Aglinment-pack-/221803433215 Seems like something that should definitely get saved! Noel

9 years

Documation card readers for sale

by ball.of.john＠gmail.com

Just a heads up that both units are now pending a sale. If one or either completely fall through I'll bump this back up here on the list. Thanks to all who inquired. -John

9 years

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test-drb June 2015