Re: PDP-11/44 gas struts

2021-12-24 Thread jim stephens via cctalk
I have the same system cabinet, but have not looked at it in detail.  I think from some of the replies, they are thinking about the H960 tall cabinets and systems that are pulled out, then rotate on the slides. This I think is  like the hood of a car, then the system tilts up, as the cabinet i

Re: PDP-11/44 gas struts

2021-12-24 Thread jim stephens via cctalk
is is the style I have, but I’m pretty sure my manual is for the pull-out enclosure. A manual on this enclosure might give some idea on the gas struts. Zane On Dec 24, 2021, at 11:58 AM, jim stephens via cctalk wrote: I have the same system cabinet, but have not looked at it in detail. I

Re: tamayatech let down

2021-12-26 Thread jim stephens via cctalk
I don't know who is left, but a friend who has a system running on a DS-20 alpha system migrated off the hardware as the vendor supporting them was withdrawing support (finally) for that and some others.  But they also supported hardware replacement for them, and migrated them to Intel servers.

Re: tamayatech let down

2021-12-26 Thread jim stephens via cctalk
Epay has messed the definitions up into a useless mess. I'd expect  a vendor not selling on such to actually test the items.  Whether they are warranted is a separate issue. On ebay they've screwed over sellers to the point that it's all but wasting time to list there unless you sell either r

Re: tamayatech let down

2021-12-26 Thread jim stephens via cctalk
On 12/26/2021 7:49 PM, Ali wrote: Not sure what you mean here. Refurbished means that a seller has brought an item to the original operating specs and that the item will operate as it should. This is also eBay's meaning of refurbished. So I am not sure why you think they "screwed" it up. I h

Re: Datum Front Panels

2022-01-26 Thread jim stephens via cctalk
I think Datum was an Orange County, CA company mostly.  They also did tape formatters which were used with Pertec (also OC based for initial time) to do NRZI and PE.  I recall that they were similar to the Pertec units, might have been related. A friend worked for them on projects doing progra

Re: Origin of "partition" in storage devices

2022-02-02 Thread jim stephens via cctalk
On 1/31/2022 11:01 AM, Tom Gardner via cctalk wrote: It seems clear it was used in memory well before HDDs but when it got started there is unclear. * IBM PC DOS v2 was an early user in 1983 with FDISK and its first PC support of HDDs * UNIX, Apple OS's and IBM mainframe all seem to come lat

Re: Information about an unknown IC

2022-02-24 Thread jim stephens via cctalk
Could be speaking ahead of answers here, but TI had an entire internal PN system for their parts in the 70s (I dealt with it in 75) and they did it to stop people from doing component level repairs on such as TI silent 700s.  I don't think there's a common P/N part in those. I couldn't get the

Re: Information about an unknown IC

2022-02-24 Thread jim stephens via cctalk
The thread with the photograph had an Ebay source for the part. https://www.ebay.com/itm/151010204380 doesn't help with function, or with the solder blob jumper purpose (or booboo) but can get the part for some amount if they ship to Brazil. On 2/24/2022 10:24 AM, Bill Degnan via cctalk wrot

Re: gcobol

2022-03-14 Thread jim stephens via cctalk
I have a serial Documation M-1000.  Not running at the moment, but adequate for such Two more M-600 parallel, and I think the number for the dinky one is M-150, also parallel. interface would go thru an arduino with 5v board easily to a USB serial or whatever (Ethernet maybe) thanks Jim On

Re: Searching cctalk archives?

2022-03-22 Thread jim stephens via cctalk
On 3/22/2022 9:23 AM, Tom Hunter via cctalk wrote: I came across a reference to a cctalk message from 9 September 2006 and would like to read the rest of the thread with the subject "PDP-8m Console Switch Problems - fixed!". Sending you the requested month.  many titled messaages. will send

Re: Searching cctalk archives?

2022-03-22 Thread jim stephens via cctalk
sorry to put on list, but never heard from Tom about what I sent him. thanks Jim On 3/22/2022 9:23 AM, Tom Hunter via cctalk wrote: I came across a reference to a cctalk message from 9 September 200

Re: PDP 11/24 - A Step Backwards

2022-03-27 Thread jim stephens via cctalk
On 3/27/2022 11:49 AM, Bill Gunshannon via cctalk wrote: On 3/27/22 14:48, Chris Zach via cctalk wrote: Bigger question is who repaired the power supply "under warranty"? My guess would be whoever fixed it this last time and warranted it. bill I have an Alpha DS-20 retired Feb 2021 that

Re: Core memory

2022-04-01 Thread jim stephens via cctalk
On 4/1/2022 11:51 AM, Paul Koning via cctalk wrote: On Apr 1, 2022, at 2:38 PM, Brent Hilpert via cctalk wrote: On 2022-Apr-01, at 6:02 AM, Paul Koning via cctalk wrote: When I looked at that ebay listing of "glass memory" it pointed me to another item, https://www.ebay.com/itm/2656236

Re: phishing increase lately

2022-04-14 Thread jim stephens via cctalk
The list doesn't send any of the emails, but I get forged emails that were harvested from someone with a folder full of different emails. They show up with all the addresses, a lot of them email addresses from here, all in the From: or CC: field, which the list mail server never does. I've no

Re: Selling my 026/029 IBM punch card control drum ($150)

2022-04-22 Thread jim stephens via cctalk
I picked one up several years ago for my 029.  maybe 25 or 30 bucks. I also grabbed a couple of the cylinders that were used to put legends on cards, which were around.  Never knew exactly what process used them, but the look cool. On 4/22/2022 3:16 PM, Chuck Guzis via cctalk wrote: On 4/22

I can't sent to gmail either with my domains

2022-06-22 Thread jim stephens via cctalk
not sure what needs to be done either.  Maybe Jay's having problems with that.t Sending this along to see if my non google  related post goes thru. google folks apparently won't get it. thanks Jim

Steve Castner

2022-07-06 Thread jim stephens via cctalk
Dag Spicer posted a Tweet saying that Steve, a volunteer @ the CHM has passed away. https://twitter.com/dag_spicer/status/1544666106501087234?t=bMAk29lJ42j9mKv_iZaf7Q&s=03 Thanks Jim

Re: Retire cctech

2022-07-13 Thread jim stephens via cctalk
I'm good with the duality going away.  I see in a day longer ago that the split made sense and also was more useful. I don't think I've seen the cctech separate out much that can't be located and followed anyway. Appreciate all the efforts.  I'll look at my archives.  I think Jay had all I h

Re: tape drives, oscilloscopes, and test equiment in Austin, TX

2022-07-14 Thread jim stephens via cctalk
If you scroll thru the other auctions, these aren't the only ones with interesting material.  There is a lot of other equipment and items. I scrolled and saw meters and power supplies for instance.  The sad thing that this shows is how poor a choice of an agent this operation is in attracting

[cctalk] Re: Cell phone as a dial up modem.

2022-08-11 Thread jim stephens via cctalk
On 8/10/2022 10:53 PM, Grant Taylor via cctalk wrote: Does anyone know if it's possible, or -- better -- have experience using a cell phone as a dial up modem? I'm wondering about doing something as an alternative to a traditional POTS modem connected to a VoIP ATA.  I'd think that treating

[cctalk] Re: Cell phone as a dial up modem.

2022-08-12 Thread jim stephens via cctalk
On 8/11/2022 5:33 PM, Grant Taylor via cctalk wrote: On 8/11/22 2:07 AM, jim stephens via cctalk wrote: I have used such as US Robotics with a vonage voip account pad. Sends and receives faxes quite well, as well. ACK not sure what you are after then.  I haven't seen a way to hook

[cctalk] Re: Flipping an 8" diskette

2022-09-01 Thread jim stephens via cctalk
On 8/31/22 13:33, Liam Proven via cctalk wrote: Someone on Fesse Bouc just found a sealed box of SS/SD 8" floppies in their garage. Most FB types are too young to know 8" disks existed, of course. Someone suggested punching a notch in them and using both sides. Was that even possible on 8"

[cctalk] Re: Floppy Disk Drive Controller History

2022-09-03 Thread jim stephens via cctalk
On 9/2/22 11:59, Chuck Guzis via cctalk wrote: On 9/2/22 11:15, Tom Gardner via cctalk wrote: I’m working on an update to Wikipedia on floppy disk drive controllers – there is a nice section on WD but nothing on Intel/NEC Anyone know the history of how the NEC µPD765 and the Intel 8272 beca

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

2022-09-04 Thread jim stephens via cctalk
On 9/3/22 17:38, Fred Cisin via cctalk wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. I had a 5100 that a dentist had bought as soon as it  came out and he added the floppy drives and printer.  It was a direct IBM buy for 31000. thanks Also a fair amount of so

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

2022-09-05 Thread jim stephens via cctalk
the 5100 has an external connector.  The floppy drive is a floor unit about the size of three AT units upright, with two single density floppies in it.  We used my unit as an engineering reference to do a floppy interface project which required 3740 compatability from our hardware. And the

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

2022-09-05 Thread jim stephens via cctalk
On 9/5/22 08:53, Christian Corti via cctalk wrote: On Mon, 5 Sep 2022, Fred Cisin wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. On Sun, 4 Sep 2022, jim stephens wrote: I had a 5100 that a dentist had bought as soon as it  came out and he     adde

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

2022-09-05 Thread jim stephens via cctalk
On 9/5/22 11:07, Tom Stepleton via cctalk wrote: Are you sure about that? The 5100 doesn't support floppy drives. And I've never heard of third-party drives (that would need IMFs, too) for the 5100. $3100 is about what IBM charged for a fully loaded 5150. (PC) THAT is not a 5100! $3100 f

[cctalk] Re: Data Systems Designs floppy interface cross-compatibility?

2022-09-17 Thread jim stephens via cctalk
On 9/17/22 13:30, Ethan Dicks via cctalk wrote: Greetings, all, While getting ready for VCF Midwest etc, I have been spending a lot of hobby time in the past year digging out various DEC minicomputer items and testing/repairing them. To that end, I've been staring at a DSD480 on top of a PDP-

[cctalk] Re: Minicomputer front panel.

2022-09-22 Thread jim stephens via cctalk
On 9/22/22 10:05, Peter Van Peborgh via cctalk wrote: I know this is sacrilege but I am looking for the front panel of a *Data General Nova *and/or *a DEC PDP 8/11/12/15*. Why? I collect artefacts from the days of the minicomputer and earlier and I want them for my collection/display. They sho

[cctalk] Re: Minicomputer front panel.

2022-09-22 Thread jim stephens via cctalk
On 9/22/22 22:56, ben via cctalk wrote: On 2022-09-22 11:30 p.m., Chuck Guzis via cctalk wrote: On 9/22/22 21:49, Teo Zenios via cctalk wrote: I assume some of that stuff was purchased for TV show or movie props. I recall all of the IBM 1620 front panels in "The Forbin Project", along with

[cctalk] Re: Minicomputer front panel.

2022-09-24 Thread jim stephens via cctalk
On 9/24/22 14:59, Adrian Stoness via cctalk wrote: o? On Sat, Sep 24, 2022 at 12:30 PM jos via cctalk wrote: On 24.09.22 04:57, Adrian Stoness via cctalk wrote: Wow someone mentioning à phillips p series Has a p854 new old stock panel my self along with bunch of manuals and à spare core m

[cctalk] Re: Great Vintage Computer Heist of 2012

2022-10-29 Thread jim stephens via cctalk
On 10/29/22 01:06, ED SHARPE via cctalk wrote: Re below. why would they refuse cash?  And vy the way, as soon as I had it, I offered it, but they refused the tender. If they accepted any amount from Sellam, they were on the hook for a lot of laws and regulations in the state.  CA has som

[cctalk] Re: Age of Tape Formats?

2023-03-09 Thread jim stephens via cctalk
On 3/8/23 22:23, Chuck Guzis via cctalk wrote: On 3/8/23 19:23, Chris Elmquist wrote: Who can read them now? ;-) I suppose that you could rig something up as a streaming rig, but the metal was murder on heads; the Univservo I interposed a thin plastic tape between the metal and the head.

[cctalk] Re: Age of Tape Formats?

2023-03-09 Thread jim stephens via cctalk
On 3/10/23 00:16, Chuck Guzis via cctalk wrote: I believe that this photo shows a Datamatic 1000 tape next to a standard 1/2" drive. https://i.pinimg.com/564x/00/3e/7d/003e7d4e3a2478db0b9a7c94f2033252.jpg --Chuck Hub size looks small on the 1/2" for later style tapes.  2" tape?  I wonder i

[cctalk] Re: mainframe vs mini

2023-03-10 Thread jim stephens via cctalk
On 3/10/23 20:13, Gavin Scott via cctalk wrote: And all the OS/360 variants were so late that they introduced three other operating systems as a stopgap to allow IBM to actually ship systems that were usable by customers. First came Basic Operating System/360 (BOS/360), which was pretty much c

[cctalk] Re: mainframe vs mini

2023-03-10 Thread jim stephens via cctalk
On 3/10/23 19:07, Sellam Abraham via cctalk wrote: The school district was thrilled to get the PDP. Then they had PG&E set up the power for it. Some PG&E technicians did not know the difference between "Delta" and "Wye"/"Y" three phase! Seriously dsmaged the machine. This goes a bit sideway

[cctalk] Re: Visiting the computer history museum (chm)

2023-03-12 Thread jim stephens via cctalk
On 3/12/23 15:00, Tarek Hoteit via cctalk wrote: Thank you so much. The links are extremely helpful. Actually, your entire blog is excellent, Steve Regards, Tarek Hoteit On Mar 12, 2023, at 12:24 PM, Steve Lewis via cctalk wrote:  Hello. I am visiting the Computer History Museum in Ca

[cctalk] Re: MIT Lisp Machine and ucode recovered

2023-03-30 Thread jim stephens via cctalk
This is great to see.  One note, you'll need to install libx11-dev (on Ubuntu 22 anyway) then build it.  Now to figure out how to play with it. thanks Jim On 3/30/23 10:53, Eric Moore via cctalk wrote: Originating in 1960, Lisp is second only to Fortran as the oldest programming language still

[cctalk] Re: MIT Lisp Machine and ucode recovered

2023-03-30 Thread jim stephens via cctalk
ion on key mappings, unless you have a knight or space cadet keyboard laying around and properly mapped, lol. Good times, it is definitely very different and weird. -Eric On Thu, Mar 30, 2023 at 12:27 PM jim stephens via cctalk wrote: This is great to see.  One note, you'll

Re: [VideoMagia] Reparando um Vectrex

2017-03-24 Thread jim stephens via cctalk
On 3/24/2017 8:43 AM, Tor Arntsen via cctalk wrote: It sure has the signature of spam. A link to some random place, without explanation of what it is, text in Portuguese when the list uses English... I also saw it on Facebook, where there are quite a few list members, though I've not had a ch

Re: PDP-11/20 in Iowa (x3)

2017-03-27 Thread jim stephens via cctalk
On 3/26/2017 11:50 PM, Paul Anderson via cctalk wrote: I'm close and interested, but it won't let me reply If you have a vcfed account private message the original poster. I also replied have close in as well, and am very interested. I replied on the thread, but it is moderated for memb

Re: PDP-11/20 in Iowa (x3)

2017-03-27 Thread jim stephens via cctalk
I have replied over on vcfed, but so far not sign that my activities are going anywhere. If someone can help in contacting, I've got the resources to collect the system, but so far no sign of what is going on anywhere but the original posts. thanks jim On 3/27/2017 4:53 AM, Ben Sinclair via c

Microdata and Decision Data haul from usual site

2017-03-27 Thread jim stephens via cctalk
I was able to get hold of a lot of boards which had been pulled from two Decision Data's and a Western Dynex 2400 RPM 10mb (probably) drive. The Dynex drive is similar to the RL02 and in fact was configurable to look like one in one of the options. Microdata would have used 24 sector packs vs

Re: Floating point routines for the 6809

2017-03-27 Thread jim stephens via cctalk
That's cool. I need to scrounge around and find my copy of Forth we used on a 6809 tape controller firmware. I had forth in the diagnostic firmware that we had on a snapon module and you could compose whatever diagnostic exercises you chose by executing the basic test functions we had in Fo

Re: PreOwned machine privacy - Was: Acclaim Entertainment Indy (with data, emails, etc) on eBay

2017-03-28 Thread jim stephens via cctalk
On 3/28/2017 6:38 PM, Al Kossow via cctalk wrote: the guy on ebay made a big deal on the net about one SGI machine that he knew had video game source code on it. Not unusual. The more people crow about it the more hammers will swing on good hardware that could otherwise be repurposed. I wo

Re: Scrounging - was Floating point routines for the 6809

2017-03-29 Thread jim stephens via cctalk
h 2017 at 08:54, jim stephens via cctalk wrote: I need to scrounge around I always wonder why someone understands what I mean and has to go to such a length to try to say I mean something else. Especially that I am stealing it. Sort of insulting, but to each their own. I have a lot of 6809 co

Re: Trip to CHM - Hotel/Restaurant Advice

2017-03-30 Thread jim stephens via cctalk
On 3/30/2017 6:58 PM, CuriousMarc via cctalk wrote: Beware, the Museum is closed Mondays and Tuesdays. Live demos of the IBM 1401 are on Wednesdays 3 pm and Saturdays 11 am. The PDP-1 is demoed more rarely, on some Saturdays in the afternoon. More details here: http://www.computerhistory.org/

Re: Trip to CHM - Hotel/Restaurant Advice

2017-03-30 Thread jim stephens via cctalk
On 3/30/2017 8:15 PM, Chuck Guzis via cctalk wrote: Bonus points for those who remember their original original location. --Chuck Halted? We drove by there, could get address off google. Weird Stuff used to be across from the original Frys, then Frys move across the street with the Giant

Re: Trip to CHM - Hotel/Restaurant Advice

2017-03-30 Thread jim stephens via cctalk
On 3/30/2017 8:15 PM, Chuck Guzis via cctalk wrote: Bonus points for those who remember their original original location. --Chuck General area of lots of good junking back in the day was here. I think Halted is the last one of the originals to leave. They moved to a place on Ryder and that

Re: IBM RT PC card.

2017-04-03 Thread jim stephens via cctalk
On 4/3/2017 1:56 AM, Mattis Lind via cctalk wrote: This card is sitting in a IBM RT PC. http://i.imgur.com/Adqnxr3.jpg?1 Possibly an RTIC card, with the 68000 on it. Might be a controller. The 3278 is the same as the PC/AT one. The 3278 doesn't use anything like a 68000 co-processor. tha

Re: DCC-116 E / DATA GENERAL NOVA 2/10 / Nixdorf 620 - Restoring and restarting

2017-04-04 Thread jim stephens via cctalk
On 4/4/2017 7:09 AM, Dominique Carlier via cctalk wrote: Concerning the PSU I will analyze your suggestions. Concerning the memory, I analyzed more in detail, I think finally that all the memory is core type, 1 X 16KW (it is marked on it) and 2 X 8KW (according to the size of the core pack

Re: DEC wall plates, cables

2017-04-09 Thread jim stephens via cctalk
Here is the connector it has to go into. I found three other cable sites with the identical page you shared (but came up much more quickly). Certainly looks like MMJ to me. that was what I searched for as well. http://www.pacificcable.com/photos/PT-J250-6DEC.jpg thanks jim On 4/8/2017 11:5

Re: RTX-2000 processor PC/AT add-in card (any takers?)

2017-04-10 Thread jim stephens via cctalk
On 4/10/2017 5:45 PM, Chuck Guzis via cctalk wrote: I suspect that at some point, Intel had its big-system hopes pinned on the iA432 chipset. https://en.wikipedia.org/wiki/Intel_iAPX_432 A friend made his career at Biin, mostly coding mind numbing code from specs, and a round of golf every m

Re: Pass on (Was: APL and descendants - was Re: If C is so evil why

2017-04-14 Thread jim stephens via cctalk
On 4/14/2017 8:20 PM, william degnan via cctalk wrote: I've made a will, with a bunch of specific bequests. No will, but at this point, the wife knows who to call. Already trying to figure out how to get things into longer term collections if they will stay there, and not get ebay-ed immedia

Re: Remex Tape Reader - Pre-power up advice?

2017-04-16 Thread jim stephens via cctalk
On 4/16/2017 11:28 AM, Anders Nelson via cctalk wrote: Hi guys, I recently impulse-bought a paper tape reader from eBay, a Remex RRS6500BE1/660/DRB/U901 Link: http://www.ebay.com/itm/292050475397 Pictures: https://goo.gl/photos/Wa3W7mtTwwuTczUV7 I have a half a dozen of these. A friend use

Re: Kennedy 9000 Tape Drives, Terminals and Packs

2017-04-17 Thread jim stephens via cctalk
On 4/17/2017 1:11 PM, Rick Bensene via cctalk wrote: There was an invoice that says they're Kennedy 9000-3, 4s models. Wow! One of those would be very cool to get. I can't find any information on the "4S" model, though. I am wondering if it has a SCSI interface. If it does, even better.

IMS and other interesting S100 cards (Ebay sale alert, pass if you don't want such)

2017-04-21 Thread jim stephens via cctalk
If this link works for you, this is to an auction someone has for a bunch of IMS and other S100 cards. http://www.ebay.com/itm/IBS-Slavenet-P-N-710525-128B-Rev-D-1984-S-100-CPU-Card-Board-115-/201869883143 I linked off something called IBS Slavenet, but it also has a number of IMS boards IMS

Re: PDP-8/a cleaning

2017-04-25 Thread jim stephens via cctalk
On 4/25/2017 12:45 AM, ben via cctech wrote: I would go for distilled water, tap water could have chlorine it it. Ben. Good point. Also with care, I've seen distilled water, then alcohol rinse (not rubbing, but pure of some sort), then air dry. This is used on optics to get rid of water s

Re: PDP-8/a cleaning

2017-04-25 Thread jim stephens via cctalk
On 4/25/2017 1:39 AM, Pete Turnbull via cctalk wrote: "Little residue" would be more accurate, and some of that residue will be water (look up "azeotrope") - plus you need a lot of alcohol for something the size of a PDP-8 backplane. Blow dry, even after an alcohol rinse. In the process

Re: Attaching DEC Handles, the Right Way

2017-04-26 Thread jim stephens via cctalk
On 4/26/2017 6:51 AM, Ethan Dicks via cctalk wrote: On Tue, Apr 25, 2017 at 9:03 PM, Systems Glitch via cctalk wrote: I'm sure most of you DEC hackers have replaced a broken DEC handle or put handles on a protoboard... I finally came across the right tool for the job, an Indestro tubular ri

Re: Attaching DEC Handles, the Right Way

2017-04-26 Thread jim stephens via cctalk
On 4/26/2017 9:47 AM, Al Kossow via cctalk wrote: On 4/26/17 8:06 AM, jim stephens via cctalk wrote: Stu Phillips, a friend of ours did the insertion of metal metal Southco extractor handles on our boards for the Microdata 1600. He probably had a machine, as the Southco levers were

Re: Attaching DEC Handles, the Right Way

2017-04-26 Thread jim stephens via cctalk
On 4/26/2017 2:15 PM, Ethan Dicks via cctalk wrote: On Wed, Apr 26, 2017 at 5:06 PM, Systems Glitch via cctalk wrote: It's one of these: http://www.grommetmachinery.com/stimpson-479-machine.html Glad to hear it was saved from the scrap heap! Indeed. I knew it was not a cheap item, and look

Re: Oscilloscope Recommendation

2017-04-29 Thread jim stephens via cctalk
On 4/29/2017 10:59 AM, Jon Elson via cctech wrote: On 04/29/2017 12:28 PM, Michael Thompson via cctech wrote: The RICM just received $1,000 to buy a new oscilloscope. I would like a four channel. and color would also be nice. The bandwidth doesn't need to be high because we usually work on a

Re: Bulk tape eraser

2017-04-30 Thread jim stephens via cctalk
On 4/30/2017 6:22 PM, Jerome H. Fine via cctalk wrote: Looking for recommendations for a bulk tape eraser for SDLT and DLT IV tapes. Eons ago at Microdata we had a commercial grade bulk eraser which could do 2400' reels maybe a bit larger. I wondered by one day with a new fangled device,

Re: IBM 4331 Mainframe

2017-05-01 Thread jim stephens via cctalk
On 5/1/2017 9:48 AM, Dave Wade G4UGM via cctalk wrote: Yes I remember having a gentle discussion with the University of Salford electricians, who wanted to know why I wanted 2 x 100amp feeds for the room into which the 4361 (I think it was a 4361, might have been a 4331 or 4341) was placed.

Vaxstation 3100 of odd sort on epay

2017-05-02 Thread jim stephens via cctalk
This might be a tempest or shielded vaxstation? Anyone speculate or know for sure. The vendor may have these mixed in as equivalent to their other vaxstations. If you search for "DEC vax VS42A-BN" you end up back at the vendors listing for the ones with plastic covers. I didn't turn up an

Re: Vaxstation 3100 of odd sort on epay

2017-05-02 Thread jim stephens via cctalk
On 5/2/2017 5:38 PM, Systems Glitch via cctalk wrote: I keep meaning to stop by the guy's shop in MD Please provide photos and info if you would. They have a lot of stuff. I'm interested in whether this is a wound down or ongoing Dec material operation, or the operation of an e waste recycl

Re: IBM 4331 Mainframe 3 phase converter

2017-05-04 Thread jim stephens via cctalk
On 5/4/2017 7:36 AM, Guy Sotomayor Jr via cctalk wrote: Does anyone know how to convert KVa to 208v 3-phase currents and/or HP? IBM’s docs all specify power in KVa and most of the 3 phase converters (other than what Bob posted) seem to specify HP. If I’m going to spend serious coin on a ph

Re: BETSI Expander for the Commodore PET

2017-05-08 Thread jim stephens via cctalk
On 5/8/2017 6:02 PM, william degnan via cctalk wrote: Don French talked about the S100 expansion he created for the TRS 80 Model 1 A friend sold a TRS80 -> 488 -> sasi pile that allowed him to hook up 2.5mb and 5mb drives. I don't recall his company but he did well enough to bootstrap Peer

Re: DCC-116 E / DATA GENERAL NOVA 2/10 / Nixdorf 620 - Restoring and restarting

2017-05-17 Thread jim stephens via cctalk
On 4/1/2017 6:47 PM, Jay Jaeger via cctech wrote: Typically not, since with no tape it should act like all the holes are punched, yes? with no tape, the Data Products servo ran open loop. You'd think what you said was true, but IIRC, you didn't run them with no tape. Later the 2230/60/90s

Re: BBS software for the PDP 11

2017-05-17 Thread jim stephens via cctalk
On 5/17/2017 5:45 PM, devin davison via cctalk wrote: I have both a pdp 11/34 and 11/23 and am trying to find some bbs software to run. Preferably something that will run under an os and not monopolize the whole machine. Any suggestions? i have not had much luck finding anything. --Devin You

Re: BBS software for the PDP 11

2017-05-18 Thread jim stephens via cctalk
On 5/18/2017 9:51 AM, Adrian Stoness via cctalk wrote: So a 11/03 aka a lsi11 would be to slow for such things? Such as those Heathkit h11 lsi11 macheans? Witch was a hobyist pdp11 for those that are unfamiliar with the hearhkits My take and extension on Chuck's and Allison's question is that

Re: BBS software for the PDP 11

2017-05-18 Thread jim stephens via cctalk
On 5/18/2017 10:52 AM, Mike Whalen via cctalk wrote: The machine is plenty fast. There's been BBSes run on a VIC-20. You can't get much slower than that. :) In New Orleans, there was a rumor someone ran a VIC-20 BBS with no persistent storage. Maybe true but you also might not be able to t

Re: BBS software for the PDP 11

2017-05-18 Thread jim stephens via cctalk
On 5/18/2017 1:06 PM, Bill Gunshannon via cctalk wrote: From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Ali via cctalk [cctalk@classiccmp.org] Sent: Thursday, May 18, 2017 3:58 PM To: 'General Discussion: On-Topic and Off-Topic Posts' Subject:

Re: BBS software for the PDP 11

2017-05-18 Thread jim stephens via cctalk
On 5/18/2017 1:45 PM, Chuck Guzis via cctalk wrote: Anyone remember Boardwatch magazine? --Chuck I had a subscription to Rickard's rag pretty much for the duration till I got my first paid Shell account @ world.std.com and left dialup behind for continuous connectivity (initially on a 56K pp

bbs or crude facsimile of such

2017-05-19 Thread jim stephens via cctalk
When I got my first system running, S100, I had an Imsai 8080 with a Hayes 103 modem. I used it to log into multics and some BBS's at the time and record sessions and files and the like. I only had the usual 8" floppies, with eventually 1mb x 2 for storage. However, reason for mentioning was

Re: BBS software for the PDP 11

2017-05-19 Thread jim stephens via cctalk
On 5/19/2017 3:23 AM, Liam Proven via cctalk wrote: On 18 May 2017 at 17:16, allison via cctalk wrote: All a DOS BBS was was a user interface that provided security by requiring user/password and limiting the commands usable. The easy was to do that was a version of the CMD module rewritten

Re: BBS software for the PDP 11

2017-05-19 Thread jim stephens via cctalk
On 5/19/2017 5:13 AM, Peter Corlett via cctalk wrote: Anyway, for those of us in Amsterdam who can actually be bothered to find and hold down a job, go out and do the shopping, etc, we're replacing blown incandescents with LED bulbs because that's what they sell in the shops. Incandescent bulbs

Re: BBS software for the PDP 11

2017-05-19 Thread jim stephens via cctalk
On 5/19/2017 7:01 PM, Bill Gunshannon via cctalk wrote: And if you break one you have to call HAZMAT. You did realize that, didn't you? They contain mercury and any breakage requires professional remediation by law!! I bag and take to the disposal all fluorescent discard, including CFL. ht

KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
I just ran across a sale on epay by a guy who thought you could pull the processor chip off the board and sell each in separate auctions. I couldn't find the processor from the huge number of gold scrap chip auctions he had, but he said it (or the other) chip(s) for the board were listed. I

Re: BBS software for the PDP 11

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 6:42 AM, Liam Proven via cctalk wrote: On 19 May 2017 at 21:39, jim stephens via cctalk wrote: I have news for you. (maybe) From 1976 until it petered out, the phone time cost a lot too. $200 or more a month at times. What does "phone time" mean in this context? Lon

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 7:49 AM, Mike Stein via cctalk wrote: - Original Message - From: "Noel Chiappa via cctalk" To: Cc: Sent: Saturday, May 20, 2017 9:12 AM Subject: Re: KDF 8189 processor board foobared (ebay warning) > From: Jim Stephens > I just ran across a sale on epay by a

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 7:01 AM, allison via cctalk wrote: Argh, CPU chips used on dec board loose value as the complete board carries the value. KDF with the second chip is useful but the logic needed to may a "CPU" of the raw chips is not trivial. That was what I figured. Hopefully the lister will pu

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 6:12 AM, Noel Chiappa via cctalk wrote: > From: Jim Stephens > I just ran across a sale on epay by a guy who thought you could pull > the processor chip off the board and sell each in separate auctions. There are a lot of idiotz out there. Turned out he had never e

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 3:20 PM, Paul Anderson wrote: Hi Jim, I have the M8189 11/23+ boards here. call me tonight if you want. Paul Are there any reasonably priced boards with the processor and memory of either the KDF or KDJ processors? The ones I've seen recently are astronomically priced. Would

Re: FTGH clear-out at Mesa Electronics, Richmond, CA, USA

2017-05-21 Thread jim stephens via cctalk
On 5/21/2017 7:31 PM, classiccmp--- via cctalk wrote: Mesa has to vacate these offices by the end of the month. They're super nice people, just trying to avoid anything involving a scrapper. Please dig up that thread and have another look (sorry, traveling). Link to some photos I took: https:/

Re: Directory of old computer collectors #3

2017-05-22 Thread jim stephens via cctalk
On 5/22/2017 1:34 PM, steven stengel via cctalk wrote: Regarding the previous message, all email will be obfuscated to foil scrapers. I already sent Steve a whitelisted email (unique to this use) and my spam proof phone# (Google Voice). I hope this is handy for people as Steve gets a lot of

Re: Directory of old computer collectors

2017-05-22 Thread jim stephens via cctalk
On 5/22/2017 7:28 PM, Cameron Kaiser via cctalk wrote: I have no idea if I am on this list or not but I do not want to be on it at all. Likewise. Although I support the general notion, I have no idea if I was listed on it either, and it would have been better to contact the people on it indivi

Re: Directory of old computer collectors

2017-05-23 Thread jim stephens via cctalk
On 5/22/2017 11:06 PM, Lyle Bickley via cctalk wrote: On Mon, 22 May 2017 16:29:22 -0400 william degnan via cctalk wrote: can you send a link to the people who are on the list so they can see their listing? I personally don't mind as long as any record that includes me personally does not i

usenet text newsgroup archives

2017-05-23 Thread jim stephens via cctalk
I've not hunted for anything much new on text usenet groups in ages. However I ran across a reference to a mailman mail list from 2006 call sun at home. Then stumbled across something call os.solaris.at-home. I presume that may be comp.os.solaris.at-home ? Anyone have a pointer to stable a

Kryoflux or Catweasle

2017-05-23 Thread jim stephens via cctalk
Anyone know of where these can be had now days? thanks jim

Re: OT: Mercury (Was: BBS software for the PDP 11)

2017-05-23 Thread jim stephens via cctalk
On 5/23/2017 5:56 PM, William Sudbrink via cctalk wrote: Mercury "bouncing around" in her body for almost a year before she finally passed. It also "went through" the back of her hand without making some awful lesion. 1.3 grams?! I've always gone with the mental crutch that a paper clip wei

Re: Teletype 43

2017-05-23 Thread jim stephens via cctalk
On 5/23/2017 11:37 PM, Dave Wade G4UGM via cctalk wrote: Since those are not easy to dig up now, what options are there? Also, because there's often plenty of pigment, what oil/solvents are good to wrest some of that pigment back out of a dried ribbon? That is a question I'd like to determine

Re: Directory of old computer collectors

2017-05-24 Thread jim stephens via cctalk
On 5/24/2017 5:23 PM, Ian Finder via cctalk wrote: JP wrote: Randy, with all due respect, have you seen how much an Apple 1 or a Lisa... or even their_drives_ go for lately? Yes and I would never keep such in a home w/o proper security. Someone with $1m assets should not have them were they

Re: In Hong Kong any old computing places to go?

2017-05-26 Thread jim stephens via cctalk
On 5/26/2017 8:36 PM, Christian Liendo via cctalk wrote: Im working in Hong Kong the next few weeks and I was wondering if there is a place of interest I should check out https://shift.newco.co/what-50-buys-you-at-huaqiangbei-the-worlds-most-fascinating-electronics-market-f0384d9fca32 North o

Re: In Hong Kong any old computing places to go?

2017-05-26 Thread jim stephens via cctalk
On 5/26/2017 8:36 PM, Christian Liendo via cctalk wrote: Im working in Hong Kong the next few weeks and I was wondering if there is a place of interest I should check out This google search "shenzhen junk buy old computers" Hit a few Alibaba listings for old systems and parts. Also other hits

Re: Random musing: VCB02 on VAX-11/750

2017-05-28 Thread jim stephens via cctalk
On 5/27/2017 6:15 PM, Josh Dersch via cctalk wrote: What say you all? - Josh The biggest possible train wreck if I see what you are up to, is if there are any test and set spin locks for semaphores and the like in the code. I know Sun had huge numbers of tricks on Sparc to run different

Re: What is this bus?

2017-05-28 Thread jim stephens via cctalk
On 5/28/2017 8:12 PM, Mike Stein via cctalk wrote: Sorry about that; not used to Google Photos replacing Picasa. Try this: https://goo.gl/photos/oJ9kFzh5tHwraAf69 m So no info on the brown box with the open frame supply? I don't see how that assembly was done, since there does not appear to

Re: What is this bus?

2017-05-29 Thread jim stephens via cctalk
On 5/29/2017 8:38 AM, Al Kossow via cctalk wrote: On 5/28/17 8:28 PM, jim stephens via cctalk wrote: The Pascal Microengine had a black and brushed aluminum package There was a bus version. I have cards, but no backplane. I saw a lot of WD PME scrap here, even engineering stuff. The staff

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