Re: CWVG

On 8/25/2021 3:57 PM, Fred Cisin via cctalk wrote: On Wed, 25 Aug 2021, Jay Jaeger via cctalk wrote: I don't have that code, however a couple of points: First of all, I think Vector Graphic actually used Micropolis drives (and I suspect yours are because of the hard sectoring).  I

Re: CWVG

On 8/25/2021 5:58 PM, Mike Loewen via cctalk wrote: On Wed, 25 Aug 2021, Dennis Boone via cctalk wrote:    As a few of the signals on the 34-pin connector are different than the Shugart layout, I'm considering making up a custom cable and connecting it to my Catweasel MK4+. I have a util

Call for manuals and maybe floppies: IBM 8100

My next project once I finish my IBM 1410 FPGA implementation (so, a couple of years out, probably) would be to write an emulator for the boat anchor known as the IBM 8100. I had exposure to these things back in the 1980s. The project was not really a success: the DPPX operating system was wa

Re: CWVG

On 8/26/2021 2:51 PM, Jay Jaeger via cctech wrote: On 8/25/2021 5:58 PM, Mike Loewen via cctalk wrote: On Wed, 25 Aug 2021, Dennis Boone via cctalk wrote:     As a few of the signals on the 34-pin connector are different than the Shugart layout, I'm considering making up a custom

Re: Call for manuals and maybe floppies: IBM 8100

On 8/26/2021 7:54 PM, Paul Berger via cctalk wrote: On 2021-08-26 6:48 p.m., Jay Jaeger via cctech wrote: My next project once I finish my IBM 1410 FPGA implementation (so, a couple of years out, probably) would be to write an emulator for the boat anchor known as the IBM 8100.  I had

Re: CWVG

On 8/27/2021 10:08 PM, Jay Jaeger via cctalk wrote: On 8/26/2021 2:51 PM, Jay Jaeger via cctech wrote: On 8/25/2021 5:58 PM, Mike Loewen via cctalk wrote: On Wed, 25 Aug 2021, Dennis Boone via cctalk wrote:     As a few of the signals on the 34-pin connector are different than the

Re: Call for manuals and maybe floppies: IBM 8100

On 8/28/2021 2:25 PM, Al Kossow via cctalk wrote: On 8/28/21 12:11 PM, Jay Jaeger via cctalk wrote:  also looked at some field service material available on archive.org. Was this different from the docs I have on bitsavers? They have all of bitsavers, but changed the filenames and screwed

Re: CWVG

On 8/28/2021 2:27 PM, Al Kossow via cctalk wrote: On 8/28/21 12:12 PM, Jay Jaeger via cctalk wrote: I have successfully read a couple of Mod I disks (143KB).  But some have not read very well. I played with one when they came out. The software wasn't ready for prime time. I had

Re: CWVG

On 8/28/2021 3:06 PM, Chuck Guzis via cctalk wrote: On 8/28/21 12:27 PM, Al Kossow via cctalk wrote: On 8/28/21 12:12 PM, Jay Jaeger via cctalk wrote: I have successfully read a couple of Mod I disks (143KB).  But some have not read very well. I played with one when they came out. The

Re: CWVG

On 8/28/2021 5:14 PM, Chuck Guzis via cctalk wrote: On 8/28/21 3:01 PM, Jay Jaeger via cctalk wrote: Back in 2005 I imaged both my Mod I and Mod II floppies using my Altair and a program I wrote way way wayy back when for transferring floppy images called "XMT".  But I lik

Re: VAX4000 VLC diagnostics/console

On 7/14/2021 12:32 PM, Adrian Graham via cctalk wrote: VT100 to the rescue, the VLC is fine talking to it so now I'm wondering why my old faithful hardware UART in this PC I'm typing on now has let me down. The BlueSCSI appears as 7 devices though, which is usually a termination or ID problem so

Re: VAX4000 VLC diagnostics/console

On 9/4/2021 5:44 AM, Adrian Graham wrote: On 4 Sep 2021, at 02:42, Jay Jaeger via cctalk <mailto:cctalk@classiccmp.org>> wrote: On 7/14/2021 12:32 PM, Adrian Graham via cctalk wrote: VT100 to the rescue, the VLC is fine talking to it so now I'm wondering why my old faithful ha

Re: VAX4000 VLC diagnostics/console

On 9/5/2021 8:12 AM, Peter Corlett via cctalk wrote: On Sat, Sep 04, 2021 at 09:34:30AM -0400, emanuel stiebler via cctalk wrote: On 2021-09-04 08:30, Antonio Carlini via cctalk wrote: "Digital Diggings" couldn't get BlueSCSI to work on either VAX or Alpha: https://www.youtube.com/watch?v=zFEh7

FTGH: 19" Intergraph Monitors

I have an Interpro 2020 and a couple of HUGE 19" inch Intergraph monitors. Frankly they are pretty lousy (fuzzy, not all that luminescent), heavy and awkward. Free to a Good Home - cables included. But I won't ship them, though one could pay someone to crate them up and ship them. I really

Re: Unix or BSD for Dec PDP 11/34 and 11/45

On 9/17/2021 6:37 AM, devin davison via cctalk wrote: Hello, If possible too, id like to be able to telnet in to unix or bsd.I was also curious if a ethernet interface exists for my unibus systems, or if i could SLIP/PPP serial to another machine,so i could telnet in as well as use dumb termina

Re: Classic sale/give-away Jefferson, WI USA

On 9/18/2021 12:25 PM, John Foust via cctalk wrote: Given the hot real estate market, I've received an unsolicited offer to purchase my office building and I'd like to accept it. Real life. This means disposing of a great deal of classic computer stuff in the next 30 days. I need to let go

Re: scanning a ton of documentation

> On Sep 22, 2021, at 14:05, devin davison via cctalk > wrote: > > Hello, > > The person that refered me to my present job at a datacenter passed away > this past monday. He was a hardware / software engineer for modcomp > computers. He left me all of the computers and documents. there are

Re: Linux and the 'clssic' computing world

On 9/28/2021 2:15 PM, ben via cctalk wrote: On 2021-09-28 11:43 a.m., Vincent Long standing via cctalk wrote: The C standards are more liberal, and continue to require char types to be 8 or more bits. Was PL/I the only language that would let you select data size for variables? Of course th

Re: PDP-11/05 Fault?

On 9/29/2021 6:31 PM, Matt Burke via cctalk wrote: I've been restoring a PDP-11/05 recently and after replacing several faulty ICs I have it mostly working. I've run into a bit of a problem whilst running MAINDEC-11-D0NB (T14 TRAP TEST) though. The failing instruction sequence is: 7200:   MOV

Re: PDP-11 Unix V7M-11 V1.0 under SIMH

On 10/3/2021 1:31 AM, Tony Nicholson via cctalk wrote: Recently Al Kossow made available a zip file containing a Micro/PDP-11 installation kit for Unix V7M-11 V1.0 on bitsavers as RX50 disk images. Tinkering away here in Covid lockdown, I've managed to get this running under SIMH pdp11 emulating

Re: PDP-11 Unix V7M-11 V1.0 under SIMH

On 10/4/2021 6:26 PM, Tony Nicholson via cctalk wrote: *Neat*! I was thinking of trying to lay this down on a real 11/23+ here at the house, then realized I didn't have two RD51's. Can it gen on an RD53 by chance, I could upload one of those to a disk in a weekend or immediately with the Dave Ges

Re: LINCtape images

On 10/29/2021 7:22 AM, Christian Corti via cctalk wrote: Short question: How do I transfer LINCtape images back to tape on a PDP-12? Ideally there is some binary program to load via papertape to format a tape and recreate it with data transfer over the console serial line. Christian Here is

Re: LINCtape images

On 11/3/2021 3:27 AM, Christian Corti via cctalk wrote: On Tue, 2 Nov 2021, Jay Jaeger wrote: Here is a program I wrote for reading/writing tape images via XModem protocol for my PDP-12, and another for comparing two linctapes. This is fantastic, thanks :-) I hope this will help us in

Re: LINCtape images

On 11/2/2021 9:53 PM, Vincent Slyngstad via cctalk wrote: On 11/2/2021 2:25 PM, Jay Jaeger via cctalk wrote: Here is a program I wrote for reading/writing tape images via XModem protocol for my PDP-12, and another for comparing two linctapes. Cool!  I was able to recover the code and convert

Re: LINCtape images

On 11/3/2021 12:25 PM, Christian Corti via cctech wrote: On Wed, 3 Nov 2021, Jay Jaeger wrote: It seems you didn't notice that I included two separate programs in my previous post:  XMTAPE and CMPTAP  ;) I did, and I have found an error ;-) 0275  0361 7300  #WDFLSH CLA CLL 0276 

Re: PDP-11/70 Boards

On 11/29/2021 7:32 AM, Ed C. via cctalk wrote: Dear list, I'm currently restoring a PDP-11/70 system and need the following boards to complete the CPU: FP11-C slots: M8127 M8128 M8129 Cache slots: M8142 M8143 M8144 M8145 Any help finding these is appreciated. Thanks. I have M8127, M8128, M8

Re: PDP-11/70 Boards

On 11/29/2021 7:32 AM, Ed C. via cctalk wrote: Dear list, I'm currently restoring a PDP-11/70 system and need the following boards to complete the CPU: FP11-C slots: M8127 M8128 M8129 Cache slots: M8142 M8143 M8144 M8145 Any help finding these is appreciated. Thanks. I presume you'd also ne

Re: PDP-11/70 Boards

On 11/29/2021 7:32 AM, Ed C. via cctalk wrote: Dear list, I'm currently restoring a PDP-11/70 system and need the following boards to complete the CPU: FP11-C slots: M8127 M8128 M8129 Cache slots: M8142 M8143 M8144 M8145 Any help finding these is appreciated. Thanks. So, it turns out that I

Re: PDP-11/70 Boards

On 11/30/2021 2:04 PM, Fritz Mueller via cctalk wrote: On 11/30/21 10:06 AM, Noel Chiappa via cctalk wrote: From the blog of someone who got a KB11-A working, you'll really need KM11 cards... On Nov 30, 2021, at 10:59 AM, Guy Sotomayor via cctalk wrote: I do still have KM11 boards and some

Re: PDP-11/70 Boards

On 11/30/2021 3:52 PM, Henk Gooijen via cctalk wrote: Van: Fritz Mueller via cctalk Verzonden: dinsdag 30 november 2021 22:43 Aan: General Discussion: On-Topic and Off-Topic Posts Onderwerp: Re: PDP-11/70 Boards I built mine from a l

Re: PDP-11/70 Boards

On 11/30/2021 6:31 PM, Paul Koning wrote: On Nov 30, 2021, at 7:17 PM, Jay Jaeger via cctalk wrote: ... The issue is (I think) that the ExpressPCB software can only be used to create files to order boards from them - or can it now export ordinary gerbers? (Otherwise, to go with another

Re: PDP-11/70 Boards

On 12/1/2021 11:55 AM, Noel Chiappa via cctalk wrote: > From the blog of someone who got a KB11-A working It's Fritz Mueller's blog; at about the top of this page: https://fritzm.github.io/category/pdp-116.html he's just turned the machine on for the first time, and you can follow as h

Re: PDP-11/70 Boards

On 12/4/2021 5:57 PM, Rob Jarratt wrote: What kind of load tester are you looking to buy? I have an 11/45 which I need to test the power supplies on too. Oh just one off of amazon, I expect. One could either get a nice one in a cabinet at all for around $280 - $350, depending upon capac

Re: PDP-11/70 Boards

On 12/5/2021 3:37 AM, Rob Jarratt via cctalk wrote: Thanks for the tips. The transformer that drives the bricks is a real beast. Did you find an alternative more convenient way to power them on the bench? From the schematics, some of them seem to want 20-30 VAC (some, like at least one of t

Re: RK11-C indicator panel inlays?

I would be interested in an inlay - I have an RK11-C, but no indicator panel. Also, if someone (else, presumably) does up a replica of the indicator panel board (perhaps with the option to use LEDs, with some resistor packs that could be bypassed for lamps), I'd be interested in that, too. A

Re: TU58 / DECtape II: Capstan goo

On 12/7/2021 4:38 PM, Jan-Benedict Glaw via cctalk wrote: Hi! Some time ago, I got my hands on a DECtape II, though no tapes. That'll change after a long time and in a few days, even multiple tapes will come in. With that drive, I started some first tests. It's PSU seems to be all fine, prov

[cctalk] Re: Print chain for 1403

On 12/21/2024 11:41 AM, CAREY SCHUG via cctalk wrote: my recollection from being a computer operator at the time was the the earlier 1403s did NOT have an interchangeable chain. Also curious if any 1404 printers still exist. They were wider and you could shift the print mechanism to the side w

[cctalk] Re: Try Algol 68 on Windows

Sent from my iPhone > On Jan 14, 2025, at 6:50 PM, Van Snyder via cctalk > wrote: > > Jay Jaeger has built a 1410 using FPGA, including 1401 compatibility. I > haven't kept up with the status so I don't know whether everything > works yet. The 1410 cpu runs and p

[cctalk] IBM 1410 FPGA Implementation Update

I have made some progress on my IBM 1410 FPGA implementation: - Communication between the FPGA and PC Support Program is now over UDP instead of USB/Serial - Tapes can now read/write reliably in non-overlapped mode - Diagnostics can be loaded and run from tape - Some tape issues still remain S

[cctalk] PDP-8 and PDP-12 Paper Tape Images Posted (Re: Paper Tape Reader Needed)

I have posted my PDP8 and PDP12 paper tape images onto my Google Drive (where they are also available to CHM/Al Kossow for their "bits" collection. https://drive.google.com/open?id=0B2v4WRwISEQRWWFFdVpCZWFTZEU&resourcekey=0-Dg0IUkVNnWUSdzAWk9O4rQ&usp=drive_fs Look in bits/DEC/pdp8 and bits/DEC/

[cctalk] Re: 9-Track Tape Extraction

On 7/17/2025 9:37 AM, Jon Elson via cctalk wrote: On 7/17/25 08:20, Luke Parkerson via cctalk wrote: Hi all, I recently got my hands on what I believe is a 9-track tape, dated 1986, which has some old survey data stored on it from a university research project several decades ago. I'm hoping

[cctalk] Re: 9-Track Tape Extraction

On 7/17/2025 1:11 PM, Van Snyder via cctalk wrote: On Thu, 2025-07-17 at 13:20 +, Luke Parkerson via cctalk wrote: Hi all, I recently got my hands on what I believe is a 9-track tape, dated 1986, which has some old survey data stored on it from a university research project several decad

[cctalk] rsts.org -- contact and info for them

I tried to contact rsts.org using their web site form, but it threw a server error when I tried. I have two pieces of info for them, if they hang out here: 1) The files at http://www.rsts.org/autoindex.php?dir=distros/RSTS_tapes/V_10.0/ and http://www.rsts.org/autoindex.php?dir=distros/RSTS_t

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