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

On 2016-05-26 1:43 PM, Jon Elson wrote: On 05/26/2016 08:54 AM, Paul Koning wrote: Speaking of ribbons, in college I occasionally used a type of ribbon I've never seen on line printers since: a film ribbon. Think of the "letter quality" ribbons used on professional typewriters, or daisy

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

On 05/26/2016 12:33 PM, Brent Hilpert wrote: On 2016-May-25, at 6:14 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.

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

On 2016-May-25, at 6:14 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,

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

On 05/26/2016 06:51 AM, Paul Koning wrote: > Apart from that, it's not credible for another reason. CDC Cyber > operating systems always spooled printer output to disk (unlike > OS/360 which did it in some variants but not others -- notably not > OS/360 PCP which I used since our 360/44 wasn't

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

On 05/26/2016 08:54 AM, Paul Koning wrote: Speaking of ribbons, in college I occasionally used a type of ribbon I've never seen on line printers since: a film ribbon. Think of the "letter quality" ribbons used on professional typewriters, or daisy wheel printers, a thin plastic film with

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

> On May 25, 2016, at 10:58 PM, Chuck Guzis wrote: > > 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

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

> On May 25, 2016, at 9:16 PM, Paul Berger wrote: > >> ... > Yeah I watch some of the large system guys disassemble and repair trains and > of course when you put them back together you had to make sure the slugs > where all in the right order. We had customers that would

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: 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: 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: 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: 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: 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: 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: 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: 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: 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