[cctalk] Re: BASIC

Gavin Scott via cctalk wrote: BASIC was always a popular language in the Hewlett-Packard world. From the HP 2000 timesharing BASIC that was popular in educational settings similar to the original DTSS, To BASIC/3000 on the HP 3000 which was a first-class language with both interpreter and

[cctalk] Re: PDP-11 thingy. What is it?

Glen Slick via cctalk wrote: On Wed, Apr 10, 2024, 7:22 PM Carlos E Murillo-Sanchez via cctalk < cctalk@classiccmp.org> wrote: Jonathan Chapman via cctalk wrote: 1. I have read that the card and the drives were compatible with the dec rx02 drives. Why would the CRDS even bother to re

[cctalk] Re: PDP-11 thingy. What is it?

Jonathan Chapman via cctalk wrote: 1. I have read that the card and the drives were compatible with the dec rx02 drives. Why would the CRDS even bother to redesign a card where DEC had perfectly good working ones? Anyone know if there is any value in keeping the FC-202 or just keep with the

HP 3056DL - looking for system tape image

Hello everyone; The HP 3056DL was a datalogger consisting of an HP3421 and an HP85B; I bought one many years ago and that's how I got my HP85B and one of my HP3421's. I never restored the tape drive since I had an HP9121 floppy drive available early on (I still have it but it is in need of

Re: Found my favorite DOS editor

Chuck Guzis via cctalk wrote: On 9/28/21 2:19 PM, Mike Katz via cctalk wrote: Editors are like religion once you have a favorite you defend it like crazy. My lovely wife still uses QEdit under a DOS emulator running on Linux. I occasionally still use an editor that I wrote for CP/M-80, and

Re: microvax/vs 2000 expansion base circuitry ?

Ethan Dicks via cctalk wrote: On Thu, Sep 23, 2021 at 6:41 PM Jonathan Stone via cctalk wrote: I've read that there is circuitry in the expansion base (BA40A?) has circuitry . Does anyone know what the circuitry does? Is it required for SCSI operation? (I hope not, or I'll have to kludge

Re: VAX4000 VLC diagnostics/console

Adrian Graham via cctalk wrote: Hi folks, I'm testing a little BlueSCSI adapter (BlueSCSI ) which while being aimed at 68K Macs should also work as an 8 bit target for older VAXen, it's a newer cheaper SCSI2SD solution and I should point out it works as intended on a Mac

Re: VAXstation 4000 Mice?

Zane Healy via cctalk wrote: What sort of mice does a VAXstation 4000 (vlc/60/90) take? I’m pretty sure they don’t need a DEC “hockey puck” mouse. I’m trying to get a VAXstation setup as… A VAXstation! I’ve always run them headless, usually with SBB’s in a BA353 or BA350. IIRC, I used a

Re: 400 Hz

Dr. Erik Baigar via cctalk wrote: I've heard that.  But why?  It's not like the electronics we're talking about actually runs on AC. (a) Input filters often contain caps... https://uk.tdk-lambda.com/content/faq/130796117766108286_FilterFAQ_how%20Image%201.jpg With 50Hz or 60Hz they create a

Re: Motor generator

Donald via cctalk wrote: In the deep recesses of my mind I seem to remember something about S/360 machines using a motor generator. If I am right was this to create a stable power source at a certain frequency or voltage? Those systems predate my experience by roughly 25-30 years.  But

Re: OT: Newsreader for Windows

Zane Healy via cctalk wrote: On Apr 1, 2021, at 3:55 PM, Grant Taylor via cctalk wrote: On 4/1/21 12:51 PM, Zane Healy wrote: Did USENET news readers exist for IBM Mainframes? I don't know. Spending time reading Usenet (sometimes of questionable value) on a system that frequently

Re: One more thing to fix... HP9000/380 power supply

Paul Berger via cctalk wrote: On 2021-02-11 10:55 p.m., Carlos E Murillo-Sanchez via cctalk wrote: This decade seems to have increased the number of failing things in such a way that the "to be repaired" backlog is growing much faster than I can get to diminish it. Argh.  A month ago

One more thing to fix... HP9000/380 power supply

This decade seems to have increased the number of failing things in such a way that the "to be repaired" backlog is growing much faster than I can get to diminish it. Argh.  A month ago my trusty HP9000/380 ran just fine and I booted the different OS's in the SCSI and HPIB drives connected

Request: Octave for VAX

Hello, everyone... I may have asked here many years ago about this:  Does anybody  have a binary distribution of Octave for VAX/VMS?  The sources for some early versions were distributed in the SIG tapes, but I never managed to complete a VMS build using them.  I tried tracking old octave

Re: Next project: 11/24. Does it need memory?

Ethan Dicks via cctalk wrote: On Tue, Oct 20, 2020 at 10:02 PM Jay Jaeger via cctalk wrote: I have had my system since February, 1988 when a friend and I hauled the 11/24, two RK07's a VT100 and and TU10 out of U Wisconsin Bascom Hall for about $600. Nice. I didn't end up working for

Re: Circuit board trace repair...

Chuck Guzis via cctalk wrote: On 8/13/20 9:58 PM, dwight via cctalk wrote: How much current is ir suppose to carry? I'd just replace it with a piece of wire wrap wire if it is less than an amp. Of course, I assume you've fixed what ever failed to cause it to blow. Gold wire is expensive.

Re: Card edge connectors for individual Qbus wings

Carlos E Murillo-Sanchez wrote: Greetings, everyone... Does anybody know where I can source card edge connectors (with eyelets or pins on the other side, hopefully) that would fit individual wings in a Qbus board? With regards to the same project, and realizing  that the vt100 keyboard

Re: Card edge connectors for individual Qbus wings

systems_glitch via cctalk wrote: Douglas's boards are good quality, but IMO their edge connector socket is inappropriate for DEC boards. It's not deep enough, it does make contact but on e.g. the extender cards, it doesn't provide enough mechanical support for the boards, like the old DEC

Re: Card edge connectors for individual Qbus wings

Glen Slick via cctalk wrote: Do you want something to plug into a backplane, or something to plug a board into? If the latter, Douglas Electronics lists a double wide connector with their part number 72-125C-EL. -snip- On Wed, Aug 12, 2020, 9:24 PM Carlos E Murillo-Sanchez via cctalk < cct

HMS Victory "afloat" again on high-tech, hull-protecting supports

Seems like  sort of an "active suspension" system to try to preserve a 255 years-old ship.  I wonder if the hardware and software involved stands a chance of being supported a mere five more years. https://newatlas.com/military/hms-victory-floats-hull-protecting-high-tech-supports/ Carlos.

Card edge connectors for individual Qbus wings

Greetings, everyone... Does anybody know where I can source card edge connectors (with eyelets or pins on the other side, hopefully) that would fit individual wings in a Qbus board? Carlos.

Re: Any interest in "newer" hardware, software?

Jay Jaeger via cctalk wrote: On 7/28/2020 6:48 PM, Carlos E Murillo-Sanchez via cctalk wrote: So, what would two chips marked F  U6A7709393 7043 and F   7306  7-6987 be? Carlos. U6A seems likely to me to be referring to a linear chip, rather than a digital one, though the 6

Re: Any interest in "newer" hardware, software?

Brent Hilpert via cctalk wrote: Fairchild part numbers trivia following. On 2020-Jul-28, at 7:35 AM, Jay Jaeger via cctalk wrote: My DTL chips have markings like: DT uL93659 (Chip type 936) F 7016 DT uL909759 (Chip type 9097) F 7013 (I expect 7016 and 7013 are date codes. Not sure

Re: chaos and the LGP-30

Carlos E Murillo-Sanchez wrote: Will Cooke via cctalk wrote:   Theoriginal paper is Edward N. Lorenz, "Deterministic Nonperiodic Flow",  Journal of TheAtmospheric Sciences,Vol. 20, March 1963, pp. 130-141. It is at multiple locations in the web. One source is:

Re: chaos and the LGP-30

Will Cooke via cctalk wrote: Theoriginal paper is Edward N. Lorenz, "Deterministic Nonperiodic Flow", Journal of TheAtmospheric Sciences,Vol. 20, March 1963, pp. 130-141. It is at multiple locations in the web. One source is: http://www.astro.puc.cl/~rparra/tools/PAPERS/lorenz1962.pdf At

Re: chaos and the LGP-30

Will Cooke via cctalk wrote: On July 27, 2020 at 7:33 AM Will Cooke via cctalk wrote: On July 27, 2020 at 6:44 AM Bill Degnan via cctalk wrote:> Does the code listing exist on the web?Bill>I'm not aware of the code being available anywhere, but I haven't really looked. I did find one paper

RD53 failure modes

Hello folks; I've recently had some free time and decided to look at some hardware failures in my small collection.  I fixed a couple of analog boards in the compact Mac department, and a failed scsi disk in one of them prompted me to test the small stash of such drives that I have.  Turns

Convergent Technologies NGEN and Datapoint monitor

Good evening, folks... Does anybody know if Datapoint made monitors for Convergent Technologies? In my "near junk" section I have some modules that someone stored in a warehouse next to a carpenter shop and under bombardment from bats and birds.  The modules were made by Convergent

Re: Pertec Interface Cable Length

Jon Elson via cctalk wrote: On 08/10/2019 01:29 PM, Dave Wade via cctalk wrote: -Original Message- From: cctech On Behalf Of Mark J. Blair What term is used there for an engineer who works in fields of general electronics? An electronics engineer... This war was settled in 1963

Re: I'm sharing a toy

Zane Healy via cctalk wrote: On Aug 8, 2019, at 4:29 PM, Frank McConnell via cctalk wrote: On Aug 7, 2019, at 22:18, Adam Thornton wrote: https://mvsevm.fsf.net Currently, the TOPS-10 guest account (42,42) and the Unix v7 account dmr have no passwords. Please treat the dmr account

Re: IBM Series/1

ED SHARPE via cctalk wrote: Was IBM Series/1 for process control?Ed# writes:In a message dated 8/2/2019 6:18:22 PM US Mountain Standard Time, cctalk@classiccmp.org On 08/02/2019 02:40 PM, Kevin Bowling via cctalk wrote: Anyone have one of these?  I'd like to find a system, but images of the OS

Re: RS232 Communications HP9000 Series 320

Roger Addy via cctech wrote: Hi All, First post here.  I have a HP9000 Series 320 computer with a HP Drive system.  It uses the HPL 2.1 (I think) operating system. I'm trying to get some ASCII files out of the system using the RS232 port.  The port is female DB9, so I'm assuming it's DCE.  I

Re: ISO: L0022 memory controller for VAX-11/750

Josh Dersch via cctalk wrote: Hi all -- Curious if anyone has a spare L0022 memory controller, this allows a VAX-11/750 to address up to a whopping 14mb of memory (2x4mb, 6x 1mb boards). I found a couple of the 4mb boards, now I just need to upgrade the memory controller to be able to use

Re: Raised Floors

Mark Matlock via cctalk wrote: The discussion on raised floors in data centers reminded me of an interesting past experience. My company had installed its first supervisory process control system in an enzyme plant. The plant had been around for quite some time and the process control

Re: Raised Floors

Mark Matlock via cctalk wrote: The discussion on raised floors in data centers reminded me of an interesting past experience. My company had installed its first supervisory process control system in an enzyme plant. The plant had been around for quite some time and the process control

Procedure to convert a vax into a stand alone workstation in a LAN

Hello; In my quest to try to see what the problem is with my vs/60, I want to convert it into a networked stand-alone machine, i.e. not use clustering at all.  What is the easiest way to do this? I still want it to do DECnet and TCPIP. Carlos.

Re: Excessive amount of time in interrupt stack mode

emanuel stiebler via cctalk wrote: On 2019-04-29 13:11, Carlos E Murillo-Sanchez via cctalk wrote: Dear ccmp'ers: For a while now, I noticed that my vaxstation 4000/60 with OpenVMS 7.2 had become sluggish, but I had not had the time to investigate the problem.   The system is mostly idle, RAM

Excessive amount of time in interrupt stack mode

Dear ccmp'ers: For a while now, I noticed that my vaxstation 4000/60 with OpenVMS 7.2 had become sluggish, but I had not had the time to investigate the problem.   The system is mostly idle, RAM is mostly free (there's 32mb), there is almost no paging, but the CPU is spending upwards of 70%

Re: Programming on metal cylinders?

I used Digital Visual FORTRAN quite a bit in the 90's.  I still have the installation CDs for v. 6.0A Professional Edition Intel version from December, 1998.  It featured most VAX extensions, I think.  But at the time, my main research machine was a Sun with twin 200MHz Ultrasparcs.  I wish I

Re: Programming on metal cylinders?

I used Digital Visual FORTRAN quite a bit in the 90's.  I still have the installation CDs for v. 6.0A Professional Edition Intel version from December, 1998.  It featured most VAX extensions, I think.  But at the time, my main research machine was a Sun with twin 200MHz Ultrasparcs.  I wish I

Interesting article in Spectrum about IBM's System/360

Building the System/360 Mainframe Nearly Destroyed IBM https://spectrum.ieee.org/tech-history/silicon-revolution/building-the-system360-mainframe-nearly-destroyed-ibm

Re: RS/6000 7043-140 boot floppies

Alan Perry via cctech wrote: The system does boot the AIX install on one of its hard disks, but this is a recycled system and I don't have usernames/passwords for that install. Does anyone here have a suggestion on how to proceed? alan Last year I started working on a 7012-320H that I've had

Re: old gcc #pragma handling

Peter Corlett via cctalk wrote: On Tue, Jan 29, 2019 at 11:53:59PM +0100, Christian Groessler via cctalk wrote: [...] But I cannot find gcc 1.34. ftp.gnu.org has gcc-1.30.atari (where the sequence doesn't exist), and gcc-1.35 (where it's "#if 0"ed). Does anyone know where to find the source

Re: RS6k 7012/320H woes

Carlos E Murillo-Sanchez wrote: Still, no luck making the console work; the 320H does not assert DTR or RTS even though it is seeing DSR, CTS, and DCD asserted. 2) I cleaned the floppy drive (it wasn't that dirty), re-wrote the four aix diagnostics floppies and tried them once more in service

Re: RS6k 7012/320H woes

Paul Berger via cctalk wrote: On 2018-11-07 8:57 PM, Carlos E Murillo-Sanchez via cctalk wrote: So, if I were to hunt for installation media for AIX, which version would you recommend for a 320H with 32MB of memory, i.e., the latest that would run and not get too bogged down by that amount

Re: RS6k 7012/320H woes

Paul Berger via cctalk wrote: The AIX on the SP2 would have been the same, in fact the hardware on the SP2 nodes was similar to the regular RS/6000 boxes except the console was through a special serial network in the frame and accessed through the control workstation.  Most regular users

Re: RS6k 7012/320H woes

Paul Berger via cctalk wrote: For loading the diagnostic from diskettes diskettes see the section "running diagnostic program from diskette" in the previously mentioned "Diagnostic Information for Microchannel Systems"  the key switch has to be in the service (wrench) position insert the

Re: RS6k 7012/320H woes

Grant Taylor via cctalk wrote: On 11/06/2018 05:39 PM, Carlos E Murillo-Sanchez via cctalk wrote: As for the null modem cable, I actually tried several schemes in an RS-232 break-out box, but none worked. Are you connecting a computer to act as a client?  Or are you actually connecting

Re: RS6k 7012/320H woes

Grant Taylor via cctalk wrote: On 11/06/2018 05:39 PM, Carlos E Murillo-Sanchez via cctalk wrote: As for the null modem cable, I actually tried several schemes in an RS-232 break-out box, but none worked. Are you connecting a computer to act as a client?  Or are you actually connecting

Re: RS6k 7012/320H woes

Paul Berger via cctalk wrote: Those code you highlighted are only a problem if it halts on that code if it continues on then its ok, in fact it is finding something to boot off of 299 means that it has loaded the bootable code from somewhere, in your case likely the disk and has transferred

RS6k 7012/320H woes

Since RS6K systems have been mentioned recently, I thought I should ask for advice.  I have a Powerserver 320H with 32MB of RAM, an 8-port async EIA-232 adapter, a SCSI adapter and a 400MB HD.   No framebuffer or keyboard; no LAN card.  Because of the last issue, I haven't tried to do much

Re: i860: Re: modern stuff

William Donzelli wrote: So, what is this i960-based card for? They were the routers. At the core nodes of the network, there would be a big RS/6000s (very early POWER1 types) that would each do about 4-5 high speed interfaces (FDDI, HSSI, and 10base2). Each interface was one of these cards, so

Re: i860: Re: modern stuff

William Donzelli via cctalk wrote: AIX was ported in very cut down manner and used on the f960 and h960 routing cards used on the early T3 based NSFnet. F960 was FDDI and H960 was HSSI. Come think of it, I think the v.25 and ether net cards also used i960, just a smaller version. -- Will So,

Re: Advice needed: Entry point into things PDP-8

Ethan Dicks wrote: On Mon, Oct 22, 2018 at 10:39 PM Carlos E Murillo-Sanchez via cctalk wrote: you. The thing is, I would like to have something pdp8-ish that would allow me to play a little bit with the programming languages that were available for these machines, FORTRAN 4K and FORTRAN IV

Advice needed: Entry point into things PDP-8

Greetings all... I have been pondering something and would love to receive feedback from you.  The thing is, I would like to have something pdp8-ish that would allow me to play a little bit with the programming languages that were available for these machines, FORTRAN 4K and FORTRAN IV in

Re: RK05 spindle pulleys - trade 50Hz vs 60Hz?

Eric Smith via cctalk wrote: On Wed, Jul 25, 2018 at 7:54 AM, Paul Koning via cctalk < cctalk@classiccmp.org> wrote: On Jul 25, 2018, at 9:50 AM, GerardCJAT via cctech < cct...@classiccmp.org> wrote: Why don't you simply power it through an inverter that will output 60 Hz, eventually even

Re: SDL and SunOS

Christian Corti via cctalk wrote: On Sat, 21 Jul 2018, carlos_muri...@ieee.org wrote: Under SunOS 4.1.4, the last gcc version that is supported is 3.3.6, but I haven't been able to build it on an IPX;  it gets to the point where it Not quite true: # uname -a SunOS azu 4.1.1 10 sun4 unknown

Re: SDL and SunOS

David Griffith via cctalk wrote: How feasable is it to compile and run SDL for SunOS?  My main reason for doing this is to play Z-machine games on Sparcstations using Frotz (https://gitlab.com/DavidGriffith/frotz) using the SDL interface to play V6 games Under SunOS 4.1.4, the last gcc version

Re: TRS-80 Fragmentation

Glen Slick via cctalk wrote: On Thu, Apr 26, 2018 at 8:23 PM, Carlos E Murillo-Sanchez via cctalk <cctalk@classiccmp.org> wrote: Interesting. HP made ISA card versions of early (or actually, pre-) HP9000-300 that were designated as "Basic Language Processors", hosting a 68000 a

Re: TRS-80 Fragmentation

W2HX via cctalk wrote: The first personal computer I ever came in contact with was the TRS-80 Model 1 (Level II) at a friend of my father's in Long Island around 1979. I learned to program basic at his house and practiced during the summer at my junior high school that had a few Model 1's for

Re: TRS-80 Fragmentation

Eric Smith via cctalk wrote: On Thu, Apr 26, 2018, 15:59 Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: I believe the Z-80 was subordinate to the M68K. In high-level conceptual term, maybe, depending on the software. In term of the actual capabilities of the hardware, the Z80 was

Re: OpenVMS software repositories?

Zane Healy via cctalk wrote: What sites still exist that have VMS software? I know the about the OpenVMS Freeware CD’s from HP VMS Engineering. http://h41379.www4.hpe.com/openvms/freeware/collections.html As an example, I’ve found part of the old DECwindows archive, but it looks like that