Re: Changing wire-wrap configurations on DEC circuit boards

On 2/13/2017 7:04 PM, Earl Evans wrote: On Mon, Feb 13, 2017 at 3:59 PM, william degnan wrote: alligator clips? ​At least in my case, the spacing seemed too tight for alligator clips. There are components surrounding the wire-wrap posts, so the clips don't lay down

Re: RSTS V7 magtape images on bitsavers

On 2/11/2017 10:48 AM, Bill Gunshannon wrote: RSTS was my favorite PDP-11 OS and I have long wanted to see it Open Sourced in its demise as I always wanted to try porting it to other machines just for the fun of it. bill I'm curious -- what made it your favourite, Bill? - J.

Re: Looking to read past EOT on DDS/DLT/LTO

On 1/25/2017 6:07 PM, Charles Anthony wrote: On Wed, Jan 25, 2017 at 3:04 PM, Chuck Guzis wrote: On 01/25/2017 02:16 PM, Eric Smith wrote: On Jan 25, 2017 12:24 PM, "Stan Sieler" wrote: We have a friend with a "tape" (DDS, DLT, or LTO ... don't know

Re: TS05AA drives?

On 1/18/2017 1:32 PM, Chuck Guzis wrote: 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

Re: Macintosh Plus: 31 years old this coming Monday

On 1/16/2017 8:52 PM, Fred Cisin wrote: According to IMDB, the Mac Plus that Scotty addressed by speaking into the mouse in "Star Trek : The Voyage Home", "The computer that Scotty uses to show transparent aluminum was originally going to be an Amiga, but Commodore would only provide a

Re: Spinning up RL02 w/o head load ? (was Cleaning RK05 packs)

On 1/7/2017 11:44 AM, Jerry Weiss wrote: What is the best way to approach evaluating old RL02 Packs for cleaning? Does anyone have experience opening up all the little plastic tabs on the covers? I have a large stash of RL02’s that I had planned to backup. I was planning on just doing a visual

Re: Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)

On 1/5/2017 12:30 PM, Al Kossow wrote: On 1/5/17 9:22 AM, j...@cimmeri.com wrote: As Allison taught me, the oxide surface on platters / drums is just a form of inactive RUST.. and therefore, unaffected by water (no, the water doesn't cause it to start rusting further). The interface

Re: Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)

/2017 12:21 PM, Al Kossow wrote: http://simplegreen.com/downloads/SDS_EN-US_SimpleGreenAllPurposeCleaner.pdf not something I would think of using on a disk surface On 1/5/17 8:59 AM, Liam Proven wrote: On 5 January 2017 at 17:11, j...@cimmeri.com<j...@cimmeri.com> wrote: - apply some Simple

Re: LGP-30 Memory Drum Update

On 1/5/2017 9:49 AM, Pete Lancashire wrote: I would clean all the heads, and the surface with a soft cloth and give it a try. A place I worked, a "soft dry cloth" unless it came out of a package made by Texwipe or their competitors was known as "sand paper", if you were caught using such

Re: Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)

On 1/5/2017 11:59 AM, Liam Proven wrote: On 5 January 2017 at 17:11, j...@cimmeri.com<j...@cimmeri.com> wrote: - apply some Simple Green to a microfiber cloth I may be the odd one out here, but what on Earth is "Simple Green?" https://www.youtube.com/watch?v=TkZFuKHXa

Re: Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)

The method I use for RL02 packs (not sure if similar), is: - remove platter from pack - rinse it down with tap water - apply some Simple Green to a microfiber cloth - wipe the entire platter with that cloth - rinse by wiping with a 2nd cloth wet with distilled water - let dry 24 hours John

Re: Stripping an RA80

On 12/31/2016 1:52 PM, Tony Duell wrote: On Sat, Dec 31, 2016 at 6:45 PM, Ian Finder wrote: You're invariably gonna take up more space with all the removed parts after you strip it than just keeping the whole unit around to cannibalize as needed. So I have to ask... WHY?!

Re: Altair 680 Expansion Boards?

On 12/17/2016 1:23 PM, Stephen Pereira wrote: I was (finally) lucky enough to acquire an Altair 680 back in November... Is there any logic to the naming of these Altairs? Wonder why it wasn't "Altair 8080" and "Altair 6800". 8800 and 680 don't follow the same pattern. -- Had

Re: Altair 680 Expansion Boards?

On 12/17/2016 1:23 PM, Stephen Pereira wrote: I was (finally) lucky enough to acquire an Altair 680 back in November, and I have been able to get it back up and running, too. Is there any logic to the naming of these Altairs? Wonder why it wasn't "Altair 8080" and "Altair 6800". 8800

Re: HP1631D Logic Analyzer..Software???

On 12/5/2016 2:45 PM, Glen Slick wrote: On Mon, Dec 5, 2016 at 11:31 AM, Holm Tiffe wrote: I've heard from a friend that another friend that died in the menatime, had managed to copy HP9121 disks on a plain PC with something like Super Copy. I tried using ImageDisk on

Re: HP1631D Logic Analyzer..Software???

On 12/5/2016 2:31 PM, Holm Tiffe wrote: Hey Holm; I'm _pretty sure_ I have the Z80 disassembler for the 1630. I have a 1630G and a 9121, but unfortunately I was never able to get the 1631 to talk to the 9121 - I don't know if the drive was bad as I have no other way to test it. Has anyone

Re: Thinking about acquiring PDP stuff

On 11/29/2016 8:17 PM, Brad H wrote: That sounds interesting. I imagine they'd be worth even more than an 8/E? Sent from my Samsung device Original message From: william degnan Date: 2016-11-29 5:13 PM (GMT-08:00) To: "General Discussion: On-Topic

Re: eBay: 1982 Prime Computer

to inquiries On 11/16/16 2:17 PM, Fred Cisin wrote: On Wed, 16 Nov 2016, j...@cimmeri.com wrote: This is all the seller's responsibility. All Jay has to do is wait.

Re: eBay: 1982 Prime Computer

On 11/16/2016 5:17 PM, Fred Cisin wrote: On Wed, 16 Nov 2016, j...@cimmeri.com wrote: This is all the seller's responsibility. All Jay has to do is wait. Meanwhile, the seller is impatiently waiting, while closely monitoring the wrong account, waiting for it; eventually giving up

Re: eBay: 1982 Prime Computer

This is all the seller's responsibility. All Jay has to do is wait. - J. On 11/16/2016 3:58 PM, Pete Lancashire wrote: Give PP a call, not had this problem before but they have been very helpful each time -pete On Wed, Nov 16, 2016 at 12:43 PM, Fred Cisin wrote:

Re: eBay: 1982 Prime Computer

On 11/16/2016 3:30 PM, Jay West wrote: So I took a chance. ... Seller hasn't responded to any of the previous emails, nor have they acknowledged the purchase in any way. ... Crossing my fingers Give it a few weeks. He could be out on the Tundra somewhere. (Is there a Tundra

Re: eBay: 1982 Prime Computer

On 11/15/2016 11:58 AM, Jay West wrote: Js wrote... - You did see that it's in ALASKA, and that the seller is a total newbie at only 24 ratings, right? Plus that ad description -- it always amazes me how few sentences some sellers think is acceptable informational advertising. No way

Re: eBay: 1982 Prime Computer

On 11/15/2016 10:30 AM, Jay West wrote: I want it, and was planning on buying it. ... I have sent the seller 3 emails asking questions about it - and have not gotten a single response. This makes me wary. ... So long story short, I want it and was prepared to buy it - but with no response

Re: QIC-150 1/4" Cartridge Drive with Emulex MT-02 SCSI-QIC Controller?

On 11/3/2016 10:51 AM, Rick Bensene wrote: Will an Emulex MT-02 SCSI->QIC tape controller work with a Wangtek 5150EQ (QIC-150) Tape Drive? I'd give it a try as I think it might. The 5150 can read the earlier formats fine. - J.

Re: MFM floppy and HD emulator DREM

On 10/17/2016 12:21 PM, Guy Sotomayor Jr wrote: On Oct 17, 2016, at 9:58 AM, j...@cimmeri.com wrote: On 10/17/2016 11:18 AM, Peter Cetinski wrote: On Oct 17, 2016, at 11:58 AM, emanuel stiebler<e...@e-bbes.com> wrote: Hi all, anybody has any experience with that: http://www.dre

Re: MFM floppy and HD emulator DREM

On 10/17/2016 11:18 AM, Peter Cetinski wrote: On Oct 17, 2016, at 11:58 AM, emanuel stiebler wrote: Hi all, anybody has any experience with that: http://www.drem.info/ ? Yes, I'm currently in the process of getting the DREM working with a Tandy 6000 and Xenix. ...

Re: Reasonable price for a complete SOL-20 system?

On 10/16/2016 5:54 AM, Corey Cohen wrote: On Oct 15, 2016, at 10:25 PM, Mark J. Blair wrote: I don't think I have any other wooden computers yet. The seller had an interesting tale about the origin of the wood in these particular computers. As the legend goes, the father of

Re: Getting out of the hobby

On 10/13/2016 12:46 PM, tony duell wrote: Perhaps I am one of the lucky ones (for once). I started being interested in classic computers long before most people... ... I do feel the hobby has changed. I haven't, which is why I don't post much here any more. When I started it was all people

Re: Where are the cctech archives before November 2014 ?

Just curious, what was the incident that happened? - J. On 10/12/2016 9:29 PM, Jay West wrote: Walter I think you need to ask a few questions before you toss that kind of nonsense out. For your info - this is a hobby. It is done in spare time. The time period you speak of - the

Re: Twiggys [was: Re: ka... ching!]

On 10/8/2016 11:22 AM, Corey Cohen wrote: On Oct 8, 2016, at 12:07 PM, "j...@cimmeri.com"<j...@cimmeri.com> wrote: The fact that a friggin' *movie* raises the value of something, also really irks me. How did movies ever become the be-all, end-all? I'm sure others a

Re: Twiggys [was: Re: ka... ching!]

On 10/8/2016 6:06 AM, Corey Cohen wrote: ... So does this mean you should hoard everything you have until the price goes up? I don't have a crystal ball to tell you what is the next item of value. Who knew that a movie about the Tucker automobile would make a Tucker one of the most

Re: ka... ching!

On 10/1/2016 5:52 PM, Santo Nucifora wrote: For those who are bidding on the twiggy drives, you can have a Lisa 1 faceplate here: http://www.ebay.com/itm/like/62204758 and a matching Lisa 1 mouse here: http://www.ebay.com/itm/172360487433 These are a little on the expensive side too :)

Re: Twiggys [was: Re: ka... ching!]

On 10/7/2016 7:38 PM, Kevin Griffin wrote: This guy was spot on about if his Lisa1 had Twiggys http://sfbay.craigslist.org/scz/sys/5797104896.html Kevin How does this SF guy so confidently know --> $30k plus?Is there a place where these Lisas regularly sell for that? - J.

Re: Twiggys [was: Re: ka... ching!]

On 10/7/2016 5:21 PM, Chuck Guzis wrote: On 10/07/2016 03:12 PM, Al Kossow wrote: ouch! this is about 2x what I thought they would go for On 10/1/16 7:19 AM, Al Kossow wrote: http://www.ebay.com/itm/291894250804 That simply defies logic. I *really* don't get this collecting business.

Re: ka... ching!

On 10/1/2016 6:38 PM, Adrian Graham wrote: On 01/10/2016 23:52, "Santo Nucifora" wrote: For those who are bidding on the twiggy drives, you can have a Lisa 1 faceplate here: http://www.ebay.com/itm/like/62204758 and a matching Lisa 1 mouse here:

Re: ka... ching!

On 10/1/2016 3:21 PM, N0body H0me wrote: -Original Message- From: ccl...@sydex.com Sent: Sat, 1 Oct 2016 11:12:02 -0700 To: cctalk@classiccmp.org Subject: Re: ka... ching! On 10/01/2016 08:27 AM, j...@cimmeri.com wrote: But, like airplanes and boats, this looks like only a rich

Re: ka... ching!

On 10/1/16 8:12 AM, j...@cimmeri.com wrote: Ok, you just gave a bunch of reasons why they're even more worthless than I originally thought, and why people bidding on them have clearly lost their marbles. :) - J. On 10/1/2016 10:21 AM, Al Kossow wrote: Going price nowadays for a Lisa

Re: ka... ching!

On 10/1/2016 9:54 AM, Adrian Graham wrote: On 01/10/2016 15:42, "j...@cimmeri.com"<j...@cimmeri.com> wrote: On 10/1/2016 9:19 AM, Al Kossow wrote: http://www.ebay.com/itm/291894250804 I don't get it. Would someone explain to me how a couple of old, dirty, untested, be

Meaning of "architecture width" - Re: 68K Macs with MacOS 7.5 still in production use...

On 2016-09-15 2:38 PM, Noel Chiappa wrote: > From: Chuck Guzis > Call it anything you want, but we know what Motorola called it. The _first implementation_ may have been 16-bit, but I am in no doubt whatsover (having written a lot of assembler code for the 68K family) that the

Re: Subjects, Topics and Threading

On 9/14/2016 4:58 PM, Dale H. Cook wrote: At 05:42 PM 9/14/2016, Steven M Jones wrote: How do you justify making everybody conform to your preferred behavior? I don't, but the behavior and archiving of this list is bound by the software that it runs under. Dale H. Cook, Contract IT

Re: early networking (was Re: G4 cube (was Re: 68K Macs with MacOS 7.5 still in production use...))

On 9/14/2016 11:04 AM, william degnan wrote: On Wed, Sep 14, 2016 at 11:56 AM, j...@cimmeri.com<j...@cimmeri.com> wrote: I too started in 1988, doing the same kind of work (mid-Atlantic region, USA), same number and types of places. Just to compare: * Banyan VINES(nev

Re: early networking (was Re: G4 cube (was Re: 68K Macs with MacOS 7.5 still in production use...))

On 9/14/2016 8:50 AM, Liam Proven wrote: On 14 September 2016 at 03:08, Chuck Guzis wrote: There were networking packages for the PC early on. Remember Banyan? They date from 1985. Corvus? Even Datapoint had an ARCnet facility for PCs in 1984. Quite a few vendors had

Re: G4 cube (was Re: 68K Macs with MacOS 7.5 still in production use...)

Why in your opinion was it a failed experiment? I had one and liked it very much. - J. On 9/12/2016 3:15 PM, Al Kossow wrote: Put it this way. The product manager for the cube was the first person I know of who had one as a kleenex dispenser. It was a failed industrial design experiment

Re: Logic Analyser Advice

On 9/10/2016 3:34 AM, Rob Jarratt wrote: -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: 10 September 2016 02:54 To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Logic Analyser Advice The key for me was to find

Re: The huge lot that had the NIB 8" floppies is now on ebay

On 9/6/2016 9:51 AM, Jason Howe wrote: On 09/06/2016 04:31 AM, Rob Jarratt wrote: Some of us find them useful or interesting. I agree. The volume of these eBay emails is not high. It would be another matter if there were really a lot of these emails, but as it is I find them

Re: The huge lot that had the NIB 8" floppies is now on ebay

On 9/5/2016 11:49 PM, Mark Linimon wrote: On Mon, Sep 05, 2016 at 10:56:24PM -0500, j...@cimmeri.com wrote: If there's ever a vote taken up for whether to ban the constant billboarding of ebay ads here, I'm for "ban." I would subscribe to a spin-off list that was merely for buy/

Re: The huge lot that had the NIB 8" floppies is now on ebay

If there's ever a vote taken up for whether to ban the constant billboarding of ebay ads here, I'm for "ban." People who know how to use ebay do not need help finding things on ebay. On 9/5/2016 10:31 PM, Electronics Plus wrote: http://www.ebay.com/itm/-/191960867958 Apparently the

Re: Repairing Tape Leader Damage in TK70 Drive

Are they still for sale? On 8/26/2016 2:12 PM, Mark Wickens wrote: I tried fashioning my own leaders from various materials but could never find one robust and flexible enough compared to the originals, so did in the end resort to buying a stock. On 26 August 2016 at 19:23,

Re: Are old SCSI tape drives not all created equal?

On 8/21/2016 6:47 PM, Chuck Guzis wrote: On 08/21/2016 04:15 PM, Al Kossow wrote: nope, the transport has rubber rollers that crack, and little rubber belts. That's the transport; but what are the shortcomings of the medium itself? FWIW, I've got at least one DDS drive with rubber parts

Re: Halt and Catch Fire Tonight

On 8/24/2016 11:52 AM, Geoff Oltmans wrote: On Aug 24, 2016, at 11:06 AM, j...@cimmeri.com wrote: I don't think it's the retro computers that are the subject, but rather, the pioneering efforts and often flamboyant personalities involved. - John Here I was thinking it was a period drama

Re: Halt and Catch Fire Tonight

On 8/24/2016 10:50 AM, et...@757.org wrote: Cool. I supplied all of the magazines (1986) covers for this season. Look on the office tables, etc. I have these available (images not the actual mags) if anyone else wants them. Let me know privately. Bill Awesome I just did some

Re: Turbo Pascal v3.01a for CP/M...

Gene, see attached. Is that right? - John On 8/23/2016 11:10 AM, geneb wrote: I'm not after a generic Pascal. It has to be Borland's Turbo Pascal, v3.01a for CP/M. tnx. g.

Re: Are old SCSI tape drives not all created equal?

On 8/21/2016 6:15 PM, Al Kossow wrote: On 8/21/16 4:08 PM, Chuck Guzis wrote: 8mm (Exabyte) drives have a pretty good chance of survival nope, the transport has rubber rollers that crack, and little rubber belts. Al, Is that true for both the full height and half height models? - John

Re: Are old SCSI tape drives not all created equal?

On 8/21/2016 12:46 PM, Chuck Guzis wrote: On 08/21/2016 10:12 AM, j...@cimmeri.com wrote: The final matter is that I'd still like to get the Teac to function with some software, just to watch it operate (you have to really like mechanical things to understand this strange fascination

Re: Are old SCSI tape drives not all created equal?

Hi, Mike. See further below where I mention Bart Lagerweij's SCSI Tool Utility (an MSDOS program) with the drive connected to a PC. - John On 8/21/2016 12:34 PM, Mike Stein wrote: What are you using to send/receive the commands? m - Original Message - From:<j...@cimmeri.

Re: Are old SCSI tape drives not all created equal?

On 8/19/2016 1:08 PM, Chuck Guzis wrote: On 08/19/2016 09:24 AM, j...@cimmeri.com wrote: Where might I find information on how to form SCSI command data blocks so as to try the above commands? I sent just an "01" to the TEAC MT-2ST, and it did rewind.. John, what's your

Re: Are old SCSI tape drives not all created equal?

puter.info/media/teac/index.htm On 8/19/16 11:08 AM, Chuck Guzis wrote: On 08/19/2016 09:24 AM, j...@cimmeri.com wrote: Where might I find information on how to form SCSI command data blocks so as to try the above commands? I sent just an "01" to the TEAC MT-2ST, and it did rewind

Re: Are old SCSI tape drives not all created equal?

On 8/19/2016 2:16 PM, Chuck Guzis wrote: On 08/19/2016 11:18 AM, Al Kossow wrote: apparently it isn't SCSI http://oldcomputer.info/media/teac/index.htm But the product spec about says (top of PDF page 6): Interface: In compliance with SCSI ANSI X3.131-1986 ..and the remainder of the

Re: Are old SCSI tape drives not all created equal?

On 8/17/2016 6:17 PM, Chuck Guzis wrote: On 08/17/2016 02:59 PM, j...@cimmeri.com wrote: Hi, Chuck. Excellent question -- and they do respond per your minimum, but beyond that, I'm not sure. When a drive wouldn't work, I only thought to check for unit ready, unit identify, and to see what

Re: Are old SCSI tape drives not all created equal?

On 8/17/2016 2:38 PM, Chuck Guzis wrote: On 08/17/2016 11:07 AM, j...@cimmeri.com wrote: I'm experimenting with various old SCSI tape drives to see which will work with my PDP-11/34 with an Emulex SCSI card. To my surprise, not all SCSI tape drives are created equal. I was under

Re: Are old SCSI tape drives not all created equal?

Thanks very much, Mouse, Paul, Maciej, and Guy for helping me understand my SCSI tape drives. I had no idea! - John

Re: Beaten by VT100 PSU.

On 8/17/2016 1:19 PM, tony duell wrote: More load _reduces_ the ripple? That's very unusual. Perhaps a parasitic oscillation that's defeated by more load because now the loop gain is below 1? But loading the +5V output also reduces the ripple on the +12V output. Loading the +5V output would,

Are old SCSI tape drives not all created equal?

Hi, folks. I'm experimenting with various old SCSI tape drives to see which will work with my PDP-11/34 with an Emulex SCSI card. To my surprise, not all SCSI tape drives are created equal. I was under the mistaken assumption that all SCSI tape drives would pretty much be

Re: Question re Teac MT-2ST encoder roller tire

On 7/29/2016 2:29 PM, Chuck Guzis wrote: On 07/29/2016 12:07 PM, j...@cimmeri.com wrote: Recently acquired a Teac MT-2ST SCSI cassette tape drive and am attempting to recondition it. Although it does have direct drive motors on both reels (no rubber bands), the design is still plagued

Question re Teac MT-2ST encoder roller tire

Recently acquired a Teac MT-2ST SCSI cassette tape drive and am attempting to recondition it. Although it does have direct drive motors on both reels (no rubber bands), the design is still plagued by having a rubber roller "tire" on its encoder roller which has turned to a very sticky goo

Re: memory map for RT-11 v 5

On 7/24/2016 10:06 AM, william degnan wrote: ... One thing to remember is 16KW in a pdp11 is not the same thing that simh refers to when one sets the CPU to 16K. WWW do not all make this distinction clearly. I get it, just making this comment for future readers of this thread. Bill

Re: Possibly rarest Apple 1 ever for auction

On 7/21/2016 3:42 PM, Evan Koblentz wrote: Possibly the rarest Apple 1 ever is up for auction. The seller is working through CharityBuzz, which will display the computer at VCF West next month. CB's auction site: http://apple1.charitybuzz.com/ MacRumors covered it:

Re: Second release of the HP 3000 Series III simulator

As always, amazing, Dave! - J. On 7/7/2016 10:36 AM, J. David Bryan wrote: The second release of the HP 3000 Series III simulator is now available from the Computer History Simulation Project (SIMH) site: https://github.com/simh/simh This release adds a simulation of the HP 2607, 2613,

Re: Latest addition: A bondi-blue iMac

On 7/1/2016 2:33 PM, Fred Cisin wrote: "I wasn't here for the last XXX number of times that that flamewar raged" is not an acceptable reason to deliberately re-ignite it. It is an easy, fully objective parameter for OLD machines, not for "classic" machines, which is subjective. If you

Re: Running CRTs without implosion protection glass

On 7/1/2016 2:03 PM, Toby Thain wrote: On 2016-07-01 2:46 PM, Ian Finder wrote: That was my thought too- color CRTs are where this really mattered- which is why I mentioned black and white. I am not overly concerned, someone in the IRC channel I'm in asked and I thought I'd ping. Even

Re: Latest addition: A bondi-blue iMac

On 7/1/2016 11:48 AM, Ian Finder wrote: The original iMac is old enough to vote... And besides, I don't think drawing a chronological line in the sand is necessarily sensible. Just don't violate the spirit of classic computing? (A G5 tower that you run Linux on is not classic computing, for

Re: Latest addition: A bondi-blue iMac

On 7/1/2016 9:00 AM, Ethan Dicks wrote: On Thu, Jun 30, 2016 at 9:09 PM, Terry Stewart wrote: Some would say this is not vintage, classic or collectible (and so shouldn't be discussed here). However, these are all subjected terms which can be (and are!) argued about

Re: Power cable identification

On 6/26/2016 10:56 AM, Brent Hilpert wrote: On 2016-Jun-25, at 8:09 PM, Josh Dersch wrote: What is the name of the rounded, 3-pin power connector often seen on early test equipment (I've seen it on older HP and Fluke stuff)? I have an S-100 chassis that inexplicably uses one, despite

Re: Accessing a TK50 or TK70 from RT

On 6/12/2016 12:00 PM, Rod Smallwood wrote: On 12/06/2016 16:19, Jerome H. Fine wrote: >Rod Smallwood wrote: Firstly one important fact that I did not know. If you bulk erase a TK50 you can turn it into a TK70 tape with an INIT. Thank you I did not know that. A bulk

Re: PDP-11/94-E

What are you using as a terminal? - J. On 6/2/2016 6:25 PM, Rod Smallwood wrote: Well I could use the wifes iPad to record the VT100's screen as a video Rod Do you have any way to capture a session log of what you're doing, and paste it here? Hard to follow. - J.

Re: PDP-11/94-E

On 6/2/2016 3:18 PM, Rod Smallwood wrote: OK Here's what I did 1. Jumpers on underside of board all on 2. KDJ11-E in first slot 3. APM in second slot connected to CPU 4. nothing in slot 3 5. Unibus Control card in slot 4 6. RX02 Control card in slot 5 7 Bus Grant in 6,7 and 8 8 Bus

Re: NEC ProSpeed 386

On 5/31/2016 2:01 PM, Chuck Guzis wrote: On 05/31/2016 11:21 AM, Dave Wade wrote: I don't like the Model "M" keyboard. It's a bit like wanting a tracker organ rather than my Yamaha EL90. The keys require significant pressure to operate and if you are not used to it its actually hard work...

Re: http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century

On 5/29/2016 7:02 PM, Fred Cisin wrote: On Sun, 29 May 2016, wulfman wrote: http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+view -- The contents of this

Re: General Question about UNIBUS backplanes

On 5/24/2016 8:37 AM, william degnan wrote: ... I fixed the core problem I described in my email. ... Bill B, what was the issue with the core, that you fixed it so fast? - J.

Re: A fruitfull evening

On Apr 12, 2016, at 8:19 PM, drlegendre . wrote: "I suppose it might do that, but that's not its main purpose. Its main purpose is to loosen rusted and otherwise stuck fasteners and shafts." That is *not* the main purpose of WD-40, nor does it even work well for that

Re: A gold mine for anybody in Austin...

Chances are, you'll waste a lot of your time dealing with nothing but trepidation, and get nowhere with what is probably NOT a gold mine.. but a hoarder junk mine. Seriously, who writes meandering, confused ads like that, that don't even state what they have and prices? You'll very often

Re: VMS 4.4 source code microfiche

Can that scanner produce anything other than massive .png files? - J. On 3/11/2016 9:12 PM, devin davison wrote: Well, I have the scanner and the time, I am going to put in online anyways. It may not be the full source, but perhaps it will come in handy for someone else. I only spent a

Re: Which RT-11 for an 11/03

On 3/10/2016 9:36 PM, Richard Cini wrote: Separately… John — the SLUs are at what I think are the standard addresses and vectors (per the Heathkit and DLV11-J manuals) and the ODT and TU58EM work. I don’t know what RT-11 is looking for but the console @ 177560/60 and TU58 @ 176500/300 (Channel

Re: Which RT-11 for an 11/03

On 3/10/2016 8:57 PM, Richard Cini wrote: Maybe I’ll re-create the image again and see if that helps. I’m using the RT11v4 image from the SIMH distribution and it boots just fine (as an RK05 image) under SIMH. Rich Try making an RL02 image from the RK05 image in SIMH and booting from that

Re: Which RT-11 for an 11/03

On 3/10/2016 8:24 PM, Richard Cini wrote: Ok, I spent some time trying this again, and here’s what I did. The system is very basic — LSI-11 CPU, 32kw of RAM and two SLU cards. Have you checked your SLU addresses and vectors to be sure they're standard values (ie. what RT11 is expecting)? I

Re: Front Panels - PDP8 and PDP 11

On 3/9/2016 1:03 PM, couryho...@aol.com wrote: In a message dated 3/2/2016 3:32:48 P.M. US Mountain Standard Time, rodsmallwoo...@btinternet.com writes: ... The only process deviations I have allowed myself are as follows: Rod, very interesting! Do you have a description of the full

Re: VAX 11/730 quickie

On 2/20/2016 7:03 PM, Mike Ross wrote: I might just try all switches *closed* on the basis that maybe it was wired wrong but... no doesn't make sense; the system would have been operational when decommissioned; the switch settings as I received it must be valid... Make sure the switches are

Re: Calibration of 8" floppy drive?

On Feb 5, 2016, at 21:46, Dan K <100dash...@gmail.com> wrote: Are there any good alternative solutions I can do to replace it? I'm sure I don't want the plastic touching the disk media. I use felt cleaning pellets for a .20 caliber pellet gun, and cut them to size. - j.

Re: Farewell and thanks!

On 2/6/2016 10:22 AM, Liam Proven wrote: On 5 February 2016 at 23:54, Steven Hirsch wrote: I've finally had my fill of the general grumpiness and bluntly worded interactions on this list. Over the years I have learned a lot and would like to particularly express my

Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

On 2/4/2016 8:08 AM, Liam Proven wrote: Nothing older than Win7 on any Windows PC that accesses the Internet. This includes email. Well, my 2 cents: I still use WinXP for all my primary, workhorse machines. Rarely have any issues with it.Win7 is ok but annoyingly

Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

On 1/28/2016 8:37 PM, Chuck Guzis wrote: On faster, more modern systems, I use VirtualBox. Just not worth the extra trouble finding drivers--but I suspect 98SE will run on P4 systems as well. The one thing I'm not seeing mentioned in re VirtualBox is that what if you have a legacy Win

Re: What to Do with a PS/2?

On 1/27/2016 8:42 AM, Liam Proven wrote: I actually bought OS/2 with my own money. I was always extremely averse to doing that. It was good for its time, but NT 3.x was technically superior, just lacking in the UI department. Correct me if I'm remembering incorrectly (probably am), but

Re: What to Do with a PS/2?

On 1/27/2016 1:14 PM, John Willis wrote: Correct me if I'm remembering incorrectly (probably am), but wasn't NT a descendent of DEC VMS? As I understand it - an important caveat here - Windows NT was to some extent a conceptual descendent of VMS, but that was more because the same person was

Re: ESR meter recommendations.

On 1/23/2016 9:22 AM, Mattis Lind wrote: Yes. agree with you.I really should get oneWhat meter do you have and recommend? I use the BLUE ESR Meter of AnaTek Corp (designed by Bob Parker). I've been using it for several years and really like it. - J.

Re: VT100 PSU smelling.

On 1/23/2016 5:40 AM, Mattis Lind wrote: This is a 0.0033 uF 1600VDC SPARAGUE capacitor. It looks nice and orange and there are no signs of cracks whatsoever. What is the likelihood of this being bad? Not highly likely, but possible. Just put another one in temporarily and see if it

Re: VT100 PSU smelling.

On 1/22/2016 2:54 PM, Mattis Lind wrote: Short: R27 in my VT100 PSU is hot and smelling. Why? Long: I think it has been 20 years since I powered up this VT100 so I did it carefully. Used a Variac and a bench supply. It switched just fine and delivered the steady 5V out when the input was at

Re: VT100 PSU smelling.

On 1/22/2016 6:56 PM, Mattis Lind wrote: 2016-01-22 21:48 GMT+01:00 j...@cimmeri.com<j...@cimmeri.com>: On 1/22/2016 2:54 PM, Mattis Lind wrote: Short: R27 in my VT100 PSU is hot and smelling. Why? Long: I think it has been 20 years since I powered up this VT100 so I did it carefully

Re: Non-baking cure for sticky shed? (being serious for a moment)

On 1/18/2016 12:46 PM, Jon Elson wrote: Longevity of tapes was very spotty. Some expensive, name-brand tapes just disintegrated after a few years. Others have held up amazingly well. Yeah, I think even among the same brand / model. Like I've heard bad things about Black Watch before

Re: Non-baking cure for sticky shed? (being serious for a moment)

On 1/18/2016 11:33 AM, Jon Elson wrote: There was a tape sold by a few manufacturers (I think 3M's was called Black Watch) that had a coarse black matte finish on the back side. A problem with some drives which had fast rewind speeds was that air was trapped in the tape wind, and then

Re: TU58 problems

On 1/17/2016 1:40 PM, tony duell wrote: Incidentally, another reason I am not too keen on using an emulator is that I suspect there could well be logic faults in the CPU and if I am not careful I will just have a long list of unsolved problems, whch can be somewhat disheartenng... Yeah,

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