> On Jun 2, 2019, at 2:12 PM, tonym <tonym at compusource.net> wrote: > > Like, new replacement RS232 paks? Or TTL-level serial adapters. Preferably using 6551 since we already have software for that, but I know there were some 16550s in the works and such (which we had OS-9 software for, but I never saw anyone use them under RS-DOS). — Allen