24 Jul
2020
24 Jul
'20
3:03 a.m.
On Fri, Jul 24, 2020 at 12:59:51AM +0000, dwight via cctalk wrote:
I would think to be a mainframe, it has to have a I/O
processor. That is
about all I can think of.
Contemporary PCs satisfy that description: GPUs are the most visible I/O
processor, and all of the other bus interfaces such as SATA and USB need at
least a microcontroller to speak the relevant protocol.
What is old is new again...