From: utzoo!decvax!cca!CSTROM@Mit-Mc@sri-unix Newsgroups: net.micro Title: PMMI modem Article-I.D.: sri-unix.2783 Posted: Thu Aug 19 13:08:19 1982 Received: Fri Aug 20 04:20:48 1982 From: Charlie StromIt is my understanding that the Hayes Smartmodem will easily runn at 450 baud, but not at 600. The Racal-Vadic 3451's (and presumably the rest of the R-V 103 protocol modems) will also run up to 600 baud. Note that this is second hand information, but I consider it reliable.