On 2025-10-09 13:34, Paul Koning via cctalk wrote:
I was poking around eBay and up came a listing for a DEC "mini exchange",
DFMSA. What is that? The name doesn't sound familiar. It looks like a box with a bunch
of DB25 connectors on the back, but that doesn't help much.
paul
I had one once. AFAIR it is just a serial switch to access different
peripherals from one port on the CPU. Possibly switchable by control
sequences. That was 35 years ago though so I am not sure of setails!
cheers
Nigel
--
Nigel Johnson, MSc., MIEEE, VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
We started the Maker-Mender Movemnt a hundred years ago!
