Re: Early 360 machines (Was: Front panel switches - what did they do?)

At UMR, for whatever reason they had no carriage control on tape channel 12. If you were a clever (and unpopular) coder you could skip to channel 12 an accomplish the same thing. Programming languages in the shop had library overrides to make that a carriage control (another channel) but

Re: Front panel switches - what did they do?

On 05/25/2016 12:41 PM, Lawrence Wilkinson wrote: Card (paper) ones did exist! But I suspect they were only for emergency FE use. It may be that the mylar ones were not manual-punch friendly, so you could make a duplicate to use while you waited for the proper spare to arrive. There's a

Re: VAX 4000 model 500.

On 25/05/2016 23:43, Antonio Carlini wrote: On 25/05/16 01:30, Rod Smallwood wrote: On 24/05/2016 22:41, Glen Slick wrote: On Tue, May 24, 2016 at 2:29 PM, Rod Smallwood wrote: Hi My main system a VAX 4000 Model 500 with a KA680 CPU has just started

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 07:22 PM, Paul Berger wrote: > Speaking of dumps I remember an engineer friend telling me that at > the university that he went to they had a CDC Cyber system and they > discovered that you could initiate a dump from any workstation, and > the system would dump out to the printer

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 10:43 PM, Chuck Guzis wrote: The train printers did have an obvious advantage over both the drum and band printers. In our shop, we printed lots and lots of core dumps. Add to a full CM dump, a couple of million words of ECS and the "0" characters wore out pretty quickly. You

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 06:16 PM, Paul Berger wrote: > I only ever saw one of the drum style high speed printers and I think > it was a Honeywell wavey line printer. I remember the operator > demoed it for us by printing a picture, if you printed a whole line > of the same character it would fire every

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 10:14 PM, Jon Elson wrote: On 05/25/2016 05:31 PM, Noel Chiappa wrote: > From: Jon Elson >> I interned at IBM Bermuda, and they had a 360/20 as their main service >> bureau machine; it had (IIRC) ... a 4301 printer. > I'm guessing, maybe, that would be a

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 9:46 PM, Chuck Guzis wrote: On 05/25/2016 05:17 PM, Paul Berger wrote: The train printers where amazing technology but what often killed the trains was an operator who neglected to top off the oil reservoir, if the train went dry they would literally screech to a halt. It was

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 05:31 PM, Noel Chiappa wrote: > From: Jon Elson >> I interned at IBM Bermuda, and they had a 360/20 as their main service >> bureau machine; it had (IIRC) ... a 4301 printer. > I'm guessing, maybe, that would be a 1403 printer? Ah, right you are! The old grey

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 02:51 PM, Chuck Guzis wrote: I have a related question. All of the S/260s that I've seen had 2400 series tape drives. But my "green card" makes reference to 729 drives as well. Does anyone recall them being installed on a S/360 system? --Chuck Well, the early 2400 tape drives

Re: WTB: Compaq Portable 486 for parts.

- Original Message - From: "Al Kossow" To: Sent: Wednesday, May 25, 2016 7:23 PM Subject: Re: WTB: Compaq Portable 486 for parts. > > > On 5/25/16 12:16 PM, Mike Stein wrote: > >> am trying to help someone replace his damaged one. >> > >

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 05:17 PM, Paul Berger wrote: > The train printers where amazing technology but what often killed > the trains was an operator who neglected to top off the oil > reservoir, if the train went dry they would literally screech to a > halt. It was always interesting when someone put a

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 8:48 PM, Chuck Guzis wrote: On 05/25/2016 03:31 PM, Noel Chiappa wrote: Those printers had an amazingly long life! They were first introduced in 1959 with the 1401 computer, and, like I said, the brand spanking new System 3 they got in ca. 1976 came with one! I wonder when IBM

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 8:47 PM, jwsmobile wrote: On 5/25/2016 4:29 PM, Fred Cisin wrote: On Wed, 25 May 2016, Noel Chiappa wrote: Those printers had an amazingly long life! They were first introduced in 1959 with the 1401 computer, and, like I said, the brand spanking new System 3 they got in ca.

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 5/25/2016 4:29 PM, Fred Cisin wrote: On Wed, 25 May 2016, Noel Chiappa wrote: Those printers had an amazingly long life! They were first introduced in 1959 with the 1401 computer, and, like I said, the brand spanking new System 3 they got in ca. 1976 came with one! I wonder when IBM

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 03:31 PM, Noel Chiappa wrote: > Those printers had an amazingly long life! They were first introduced > in 1959 with the 1401 computer, and, like I said, the brand spanking > new System 3 they got in ca. 1976 came with one! I wonder when IBM > stopped producing them? One of the

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On Wed, 25 May 2016, Noel Chiappa wrote: Those printers had an amazingly long life! They were first introduced in 1959 with the 1401 computer, and, like I said, the brand spanking new System 3 they got in ca. 1976 came with one! I wonder when IBM stopped producing them? Did they discontinue

Re: WTB: Compaq Portable 486 for parts.

On 5/25/16 12:16 PM, Mike Stein wrote: > am trying to help someone replace his damaged one. > is the guy in texas?

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On Thu, May 26, 2016 at 5:48 AM, William Donzelli wrote: >> I'm guessing, maybe, that would be a 1403 printer? There were 1403 and 1443 >> printers. > > There was also a 1404 printer, but I do not think many places had them. > > Does anyone know what became of the two S/360

Re: VAX 4000 model 500.

On 25/05/16 01:30, Rod Smallwood wrote: On 24/05/2016 22:41, Glen Slick wrote: On Tue, May 24, 2016 at 2:29 PM, Rod Smallwood wrote: Hi My main system a VAX 4000 Model 500 with a KA680 CPU has just started halting at test 51 on power up. Does any body

Re: Early 360 machines (Was: Front panel switches - what did they do?)

> From: Jon Elson >> I interned at IBM Bermuda, and they had a 360/20 as their main service >> bureau machine; it had (IIRC) ... a 4301 printer. > I'm guessing, maybe, that would be a 1403 printer? Ah, right you are! The old grey cells are, well, old! ;-) Those printers had an

Re: BBC Tube... Running UNIX?

On 05/25/2016 08:36 AM, Aaron Jackson wrote: I just revisited the Wikipedia page for the BBC Micro Tube [1]. Apparently with a 32bit NS320 processor it was possible to run some variant of UNIX? Does anyone know anything about this? I'd be very interested in experimenting with it, if it is true.

RE: Front panel switches - what did they do?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis > Sent: 25 May 2016 20:54 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: Front panel switches - what did they do? > > On 05/25/2016 12:35 PM,

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 5/25/2016 12:51 PM, Chuck Guzis wrote: I have a related question. All of the S/260s that I've seen had 2400 series tape drives. But my "green card" makes reference to 729 drives as well. Does anyone recall them being installed on a S/360 system? --Chuck Our 360/50 had 2400 drives. Read

Re: Front panel switches - what did they do?

On 05/25/2016 12:35 PM, Dave Wade wrote: > According to Wikip around 10,000 1130's were sold. > > https://en.wikipedia.org/wiki/IBM_1130 > > one salesman claims to have sold 1,000. They were dotted about all > over the place, so when I was a Student in the UK Newcastle > University had a

Re: Early 360 machines (Was: Front panel switches - what did they do?)

I have a related question. All of the S/260s that I've seen had 2400 series tape drives. But my "green card" makes reference to 729 drives as well. Does anyone recall them being installed on a S/360 system? --Chuck

Re: Front panel switches - what did they do?

On 2016-May-24, at 5:48 PM, Paul Koning wrote: >> On May 24, 2016, at 8:30 PM, Eric Smith wrote: >> >> On Tue, May 24, 2016 at 3:09 PM, Brent Hilpert wrote: >>> Yes, I examined this in some detail last year after mention on the list, >>> and wrote it up:

Re: Front panel switches - what did they do?

On 2016-May-24, at 5:30 PM, Eric Smith wrote: > On Tue, May 24, 2016 at 3:09 PM, Brent Hilpert wrote: >> Yes, I examined this in some detail last year after mention on the list, and >> wrote it up: >>http://www.cs.ubc.ca/~hilpert/e/corerope/index.html > > That's a

WTB: Compaq Portable 486 for parts.

By any chance does anybody have a defunct Portable 486c that they can part with? Only really needs a good case; am trying to help someone replace his damaged one. TIA, mike

Re: Front panel switches - what did they do?

On 2016-May-24, at 7:18 PM, Jon Elson wrote: > On 05/24/2016 02:33 PM, Brent Hilpert wrote: >> On 2016-May-24, at 12:08 PM, Chuck Guzis wrote: >>> On 05/24/2016 11:22 AM, Al Kossow wrote: On 5/24/16 10:44 AM, Chuck Guzis wrote: > There was also automated "stapled wire". I forget

Re: Early 360 machines (Was: Front panel switches - what did they do?)

> I'm guessing, maybe, that would be a 1403 printer? There were 1403 and 1443 > printers. There was also a 1404 printer, but I do not think many places had them. Does anyone know what became of the two S/360 model 20 systems that came out of Sweden a year or two ago? They were fairly complete

Re: Front panel switches - what did they do?

On 25/05/16 01:03, Paul Berger wrote: On 2016-05-24 7:44 PM, Chuck Guzis wrote: On 05/24/2016 02:21 PM, Paul Berger wrote: The CROS cards used in a 360/30 where the same size as an 80 column card on purpose so you could you a keypunch machine to program the microcode. But I believe that

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 12:11 PM, Chuck Guzis wrote: On 05/25/2016 10:06 AM, Jon Elson wrote: The only language supported on the 360/20 was RPG. For a mostly tab card type of operation, you could actually do a lot in RPG. Otherwise, you had to write in machine language and get it assembled on another

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 2016-05-25 2:06 PM, Jon Elson wrote: On 05/25/2016 12:01 PM, Noel Chiappa wrote: > From: Jon Elson > the /20 was intended for very specific uses in 360 shops, and maybe as > an entry-level "foot in the door" to move totally tab card shops into > the 360 family. The

Re: Early 360 machines (Was: Front panel switches - what did they do?)

> > The only language supported on the 360/20 was RPG. For a mostly tab card > type of operation, you could actually do a lot in RPG. Otherwise, you had > to write in machine language and get it assembled on another system. I never used a /20, but I did a lot RPG/II on a model /40. It is in

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 10:06 AM, Jon Elson wrote: > The only language supported on the 360/20 was RPG. For a mostly tab > card type of operation, you could actually do a lot in RPG. > Otherwise, you had to write in machine language and get it assembled > on another system. My recollection was that

Re: Front panel switches - what did they do?

On 05/25/2016 09:01 AM, jwsmobile wrote: > McAuto in St. Louis used a lot of the /20's for their printer farm, > and that was the only place I ever saw one in use. They spooled tape > to printer in the use it was put to. According to WikiP, IBM leased over 7,000 of the 20s, so that would make

Re: Early 360 machines (Was: Front panel switches - what did they do?)

On 05/25/2016 12:01 PM, Noel Chiappa wrote: > From: Jon Elson > the /20 was intended for very specific uses in 360 shops, and maybe as > an entry-level "foot in the door" to move totally tab card shops into > the 360 family. The only /20s I ever saw were used as offline

Early 360 machines (Was: Front panel switches - what did they do?)

> From: Jon Elson > the /20 was intended for very specific uses in 360 shops, and maybe as > an entry-level "foot in the door" to move totally tab card shops into > the 360 family. The only /20s I ever saw were used as offline spool > printers and card readers in large 360

Re: Front panel switches - what did they do?

On 5/25/2016 8:48 AM, Jon Elson wrote: The only /20s I ever saw were used as offline spool printers and card readers in large 360 shops. At our school, University of Missouri, Rolla, they purchased a 360/50 in maybe 69 or so. Because of the nature of the order it couldn't be delivered, and

Re: Front panel switches - what did they do?

On 05/24/2016 11:47 PM, Chuck Guzis wrote: On 05/24/2016 08:48 PM, Jon Elson wrote: For sure! The 360/30 was an 8 BIT machine, 8-bit memory, 8-bit data paths, etc. Really hobbled the performance, and restricted the peripherals that could be attached. The models /22 and /25 had 16-bit memory

Re: Tek 4405/4406

On 5/25/16 8:28 AM, Al Kossow wrote: > mentions a 441x line that ran uTek, that I never heard of 431x

Tek 4405/4406

Things went well reading the floppies. Everything should be uploaded by noon PDT. There were bits of the system and smalltalk for the 4405/6, so it would be nice if someone might have one of these to dump the firmware, though there probably isn't enought to boot one. checked with

Re: Front panel switches - what did they do?

On Wed, May 25, 2016 at 6:50 AM, Paul Koning wrote: > > The emulator was loaded, on those rare occasions where the memory got > wiped, using the "Emulator IPL" button, from a binary card deck. That deck > was pretty slick: it was a channel program loop. No CPU code

Re: IBM1130 (was RE: Front panel switches - what did they do?)

> is dated almost exactly one month before DEC announced the PDP-8 and I am > sure targets the same markets DEC did. You just wonder if IBM had spies in > DEC, or more likely they both spotted a marketing opportunity. The latter. Every company in the world seems to have explored the

Re: IBM1130 (was RE: Front panel switches - what did they do?)

On 2016-05-25 7:06 AM, Dave Wade wrote: paths. Do you mean the 360/20? On the topic, were the 20 and 40 the only members of System 360 to use TROS? I remember picking up the programming manual for a Model 20 and realizing that I'd essentially have to re-learn programming. 16 bit registers,

Re: Front panel switches - what did they do?

> On May 24, 2016, at 10:05 PM, Jon Elson wrote: > > On 05/24/2016 02:13 PM, Chuck Guzis wrote: >> I seem to recall that reworking the 360/30 microprogramming was preferred by >> tinkerers over the 360/40 was primarily that CROS was easier to work with >> than TROS. I

Re: Front panel switches - what did they do?

> On May 24, 2016, at 9:49 PM, Jon Elson wrote: > > On 05/24/2016 12:17 PM, Paul Koning wrote: >> A couple of observations. >> >> Taking the PDP-11 as a fairly typical example, the switches are "data" and >> "address". While running, the data switches were visible to

BBC Tube... Running UNIX?

I just revisited the Wikipedia page for the BBC Micro Tube [1]. Apparently with a 32bit NS320 processor it was possible to run some variant of UNIX? Does anyone know anything about this? I'd be very interested in experimenting with it, if it is true. Thanks, Aaron [1]

Question about UNIBUS terminators, M9300

I have an M9300 bus terminator which I read is the same as a M930 with the NPR logic (so you don't also need an NPR terminator in slot 3/4). I don't want to blow anything up, but I am thinking I can replace the M930 and G7273 in the last slot of my backplane with a W2-open M9300. I have

IBM1130 (was RE: Front panel switches - what did they do?)

paths. > > Do you mean the 360/20? On the topic, were the 20 and 40 the only members > of System 360 to use TROS? > > I remember picking up the programming manual for a Model 20 and realizing > that I'd essentially have to re-learn programming. 16 bit registers, > stripped- > down instruction

Re: Using a Commodore 1541 drive with a PC via USB

Am 25.05.2016 um 06:45 schrieb drlegendre .: It may, in fact, be possible - with custom ROMs - to use the 1541 for other formats. But it's telling that no one, so far as I know, has ever managed to create software to 'tween the various 5-1/4" floppy formats, using the 1541 transport & hardware.