Subj : JiffyDOS and RS-232 To : All From : Joacim Melin Date : Fri Aug 10 2018 06:46:56 Hi all, Am I correct in that after installing JiffyDOS in my C128D, RS-232 should no longer be working? If so, why? Thanks. --- NiKom v2.4.0 * Origin: Delta City (deltacity.se, Vallentuna, Sweden) (2:201/120.0) .