Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-13 Thread Norbert Friemel
On Sat, 13 Jun 2015 12:43:23 +0200, R.S. wrote: > Has anyone a photo of 3088? https://ia902603.us.archive.org/BookReader/BookReaderImages.php?zip=/29/items/bitsavers_ibm370feGCEquipmentInstallationPhysicalPlanningMar_20235151/GC22-7064-13_Input_Output_Equipment_Installation_Physical_Planning_Mar9

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-13 Thread R.S.
Has anyone a photo of 3088? -- Radoslaw Skorupka Lodz, Poland --- Treść tej wiadomości może zawierać informacje prawnie chronione Banku przeznaczone wyłącznie do użytku służbowego adresata. Odbiorcą może być jedynie jej adresat z wyłączeniem dostępu osób trzecich. Jeżeli nie jesteś adresa

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Anne & Lynn Wheeler
norman.hollan...@desertwiz.biz (Norman.Hollander) writes: > 3088 Multi-System Channel-to-Channel I/O Control Unit. Bus and Tag, > connecting 4 CPUs (IIRC). We used these (had to have 2 for > redundancy) for JES2, VTAM, and CA-MIM connectivity. Also used to > connect to VM systems (PVM, RSCS, and

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Tom Marchant
On Fri, 12 Jun 2015 09:17:31 -0700, Norman.Hollander wrote: >3088 Multi-System Channel-to-Channel I/O Control Unit. >Bus and Tag, connecting 4 CPUs (IIRC). I thought I remembered 8 channel connections. I found this in the OS/390 2.10 GRS Planning manual: Model A1 can connect two systems throug

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Ted MacNEIL
( Was IBM mainframe operations in the 80s) 3088 Multi-System Channel-to-Channel I/O Control Unit. Bus and Tag, connecting 4 CPUs (IIRC). We used these (had to have 2 for redundancy) for JES2, VTAM, and CA-MIM connectivity. Also used to connect to VM systems (PVM, RSCS, and CA-MIM). Obsoleted by ESCON

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Norman.Hollander
AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: GRS Control Unit ( Was IBM mainframe operations in the 80s) Yep. That's it. Thanks for remembering. We were still using one when I left my previous position in 1995 with a 3090 400E processor. Mark Jacobs > Gross, Randall [PRI-1PP] <mail

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Elardus Engelbrecht
Richard Pinion wrote: >The IBM mainframe emulator Hercules has CTC 3088 functionality. I think that >is used for TCP/IP. Mark Jacobs wrote: >Yep. That's it. Thanks for remembering. We were still using one when I left >my previous position in 1995 with a 3090 400E processor. Gross, Randall wro

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Richard Pinion
The IBM mainframe emulator Hercules has CTC 3088 functionality. I think that is used for TCP/IP. --- mark.jac...@custserv.com wrote: From: Mark Jacobs - Listserv To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: GRS Control Unit ( Was IBM mainframe operations in the 80s) Date

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread J. Pohlmann
I think it was a 3088 Regards, Joerg Pohlmann -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Mark Jacobs - Listserv Sent: June 12, 2015 07:02 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: GRS Control Unit ( Was IBM mainframe operations

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Mark Jacobs - Listserv
---Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Mark Jacobs - Listserv Sent: Friday, June 12, 2015 10:02 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: GRS Control Unit ( Was IBM mainframe operations in the 80s) I don't remember the devi

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Gross, Randall [PRI-1PP]
operations in the 80s) I don't remember the device number but it was used for CTC communications using bus and tag cables. Mark Jacobs > Elardus Engelbrecht <mailto:elardus.engelbre...@sita.co.za> > June 12, 2015 at 9:53 AM > > I have watched that nice video, bringing back

Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Mark Jacobs - Listserv
I don't remember the device number but it was used for CTC communications using bus and tag cables. Mark Jacobs Elardus Engelbrecht June 12, 2015 at 9:53 AM I have watched that nice video, bringing back memories of those 3800, 3380, 3090, 3420 and such

GRS Control Unit ( Was IBM mainframe operations in the 80s)

2015-06-12 Thread Elardus Engelbrecht
David Crayford wrote: >This is a nice bit of nostalgia as I started my career as an Op back in the >80's. >https://www.youtube.com/watch?v=Cwj6pfhWBps I have watched that nice video, bringing back memories of those 3800, 3380, 3090, 3420 and such animals. But what the is a 'GRS Control Unit'?

Re: IBM mainframe operations in the 80s

2015-06-11 Thread Mike Schwab
http://www.conmicro.com/apple-mstcons-web.jpg Jay Maynard's unusual master console. -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? -- For IBM-MAIN subscribe / signoff / archive access i

Re: IBM mainframe operations in the 80s

2015-06-11 Thread Vince Coen
On 11/06/15 20:30, Ken Hume IBM wrote: So, the shoot coordinator goes off and finds three or four young, attractive women that were well dressed and brings them into the computer room. Most of them had no idea what a computer was. All of them complained that the room was to cold and did not want

Re: IBM mainframe operations in the 80s

2015-06-11 Thread Ken Hume IBM
Scott Ford Sent: Thursday, June 11, 2015 1:05 PM Newsgroups: bit.listserv.ibm-main To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: IBM mainframe operations in the 80s The wayback machine ...80s , just entered Systems Programming..in Operations in the 70s before...man On Thu, Jun 11, 2015 at 11:16

Re: IBM mainframe operations in the 80s

2015-06-11 Thread Scott Ford
2015-06-11 14:35 > Subject:IBM mainframe operations in the 80s > Sent by:IBM Mainframe Discussion List > > > > This is a nice bit of nostalgia as I started my career as an Op back in > the 80's. > > https://www.youtube.com/watch?v=Cwj6pfhWBps >

Re: IBM mainframe operations in the 80s

2015-06-11 Thread Steve Coalbran
e1a1wHxTyo] :-D From: David Crayford To: IBM-MAIN@LISTSERV.UA.EDU Date: 2015-06-11 14:35 Subject: IBM mainframe operations in the 80s Sent by:IBM Mainframe Discussion List This is a nice bit of nostalgia as I started my career as an Op back in the 80

IBM mainframe operations in the 80s

2015-06-11 Thread David Crayford
This is a nice bit of nostalgia as I started my career as an Op back in the 80's. https://www.youtube.com/watch?v=Cwj6pfhWBps -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua