 path edu!magnesium club cc edu!new sei edu!fs7 ec edu!europa eng gtefsd com!howland reston an net!usc!cs utexa edu!uunet!mcsun!germani eu net!thoth mchp sni de!wiesel km-mgnt ap mchp sni de!obl from obl gabi ap mchp sni oliv blankenheim newsgroup comp sy ibm pc hardwar subject subject re 16550 16550a ??? date 23 apr 1993 15 32 28 gmt organ siemen nixdorf informationssystem ag line 16 distribut messag-id 1993apr23 172508 gabi ap mchp sni repli-to obl gabi ap mchp sni nntp-post-host 139 21 18 129 in articl 1993apr22 042310 39296 ns1 cc lehigh write what's differ 16550 uart 16550a uart? thank! the differ 16550 bug 16550a whithout problem fast serial commun other sourc 16550afn nat semi second sourc ok best wish oliv 