On 10/7/20 1:39 PM, Ethan Dicks via cctalk wrote:
Synchronous serial lines are not typically a feature in the sort of machines people are likely to be running something like Simh on, especially laptops. I'm sure there were Sync serial cards for ISA but probably not anything more recent.
you could get PCI V.35 cards https://www.ebay.com/itm/Barr-Systems-291456-Sync-Max-PCI-Rev-1-Card/264317672165 probably for SNA
