Do you have a 3272? I found one during the cleanup of the Black Hole.
I think I can get ALDs and docs for it.

--
Will


On Fri, Dec 18, 2015 at 8:30 PM, Mike Ross <tmfdm...@gmail.com> wrote:
> grrrr 3271 and 3272 controllers I should have said! They're much
> dumber than 3174 - no program load device whatever; all done in
> hardware. Just an on/off switch and a couple of status lights.
>
> Mike
>
> On Sat, Dec 19, 2015 at 2:27 PM, Mike Ross <tmfdm...@gmail.com> wrote:
>> Oh sounds like fun!
>>
>> I'm working with 3277 which uses a different protocol; connects to
>> older mainframes (360/370) via 3171/3172 controllers - channel
>> attached or remote. Also connects to System/3 direct to the CPU
>> hardware as a console. I have a 3172 controller; physically rough and
>> needs restoration but *should* work if I can fake the remote
>> connection and modem - bisync etc. But just now I'm working with
>> Henk's 3277->RS232 converter - trying to get it hooked up to an
>> emulated System/3 - http://www.ibmsystem3.nl/emulators.html
>>
>> I've played this game a lot - including telnetting into Linux from
>> 3270 screens - see http://www.corestore.org/emuterm.htm
>>
>> Please let me know when you manage to ship those 3174 diskettes to
>> Henk; I know he's keen to get them ASAP.
>>
>> Mike
>>
>> On Sat, Dec 19, 2015 at 12:00 PM, Guy Sotomayor <g...@shiresoft.com> wrote:
>>> I’ve been tinkering around with my IBM Mainframe terminals and I’m pretty 
>>> close to having everything the way that I want it.
>>>
>>> I currently have an IBM 3174-61R Establishment controller connecting to my 
>>> “mainframes” via TCP/IP.  This allows me to not only connect to my 
>>> Multiprise 3000 S/390 but also some PCs running Hercules to allow me to run 
>>> older versions of the mainframe OS’s.  I currently have 3 IBM 3179 
>>> terminals hooked up.
>>>
>>> I’ve upgraded the 3174 to be able to boot from a hard disk (it was a 
>>> supported option).  I actually purchased the upgrade from a reputable 
>>> vendor but after many attempts we could not actually get it to do anything 
>>> useful.  I learned about DavidG’s MFM emulator and that’s now installed in 
>>> the 3174 which happily boots from it.  I still have to figure out a 
>>> permanent mount for it since the standard 3174 HDD mounts don’t work for 
>>> the MFM emulator board.
>>>
>>> One of the last things that I wanted to figure out was how to support 
>>> multiple sessions.  I had configured the 3174 to support multiple sessions 
>>> on each terminal but following the documentation, I could never figure out 
>>> how to actually switch between the sessions.  Well today I managed to do 
>>> that.  Success!  I finally figured out the key sequence for switching 
>>> sessions.  It doesn’t match the IBM documentation.  It’s not clear to me if 
>>> that’s because I haven’t configured something properly on the 3174 or if 
>>> there’s some other reason behind it.
>>>
>>> Since I also have the AEA feature that allows me to connect ASCII terminals 
>>> to the 3174, my next project will be to hook up a couple of the terminals 
>>> that’re deemed “compatible” (VT100, ADM5 are on the list) and see how that 
>>> works.  But that also involves navigating the 3174 configuration process 
>>> which is opaque to say the least (there are configuration screens but you 
>>> need a manual because the fields only have numbers (e.g. 721) to identify 
>>> them and no other indication as to how they need to be filled in).
>>>
>>> Oh, the other bizarre thing about the 3174 that’s been configured with 
>>> TCP/IP is that I can also connect to “unix” servers with the 3174’s (and 
>>> the ASCII terminals too).  It’ll be interesting to see how that works on a 
>>> CUT mode terminal.  ;-)
>>>
>>> TTFN - Guy
>>>
>>
>>
>>
>> --
>>
>> http://www.corestore.org
>> 'No greater love hath a man than he lay down his life for his brother.
>> Not for millions, not for glory, not for fame.
>> For one person, in the dark, where no one will ever know or see.'
>
>
>
> --
>
> http://www.corestore.org
> 'No greater love hath a man than he lay down his life for his brother.
> Not for millions, not for glory, not for fame.
> For one person, in the dark, where no one will ever know or see.'

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