Re: simulation of an entire IBM S/360 Model 50 mainframe

2022-01-28 Thread Curious Marc via cctalk
Ah, it was you Liam. Ken is enamored with the new title you bestowed on him. He will now be officially called: Master Ken, Hardware Boffin. :-) Marc > On Jan 27, 2022, at 11:54 AM, Liam Proven via cctalk > wrote: > > On Thu, 27 Jan 2022 at 17:20, Guy N. via cctalk > wrote: >> >> This migh

What was a Terminal Concentration Device in DEC's products?

2022-01-28 Thread Chris Zach via cctalk
Old question: I'm looking through some old reports from 1977 about a failed DEC project with the DMX11 multiplexer system and there is reference to the following key items: 1) The DMX was designed to handle block mode devices. Fine. 2) Character mode devices like the VT52's were supposed to use