May be:
setserial /dev/ttyS3 uart none
?
> > yamcfg uses obsolete (PF_INET,SOCK_PACKET)
> > Trying yam1 at iobase 0x2e8 irq 3
> > yam1: cannot 0x2e8 busy
> > Trying yam1 at iobase 0x2e8 irq 3
> > yam1: cannot 0x2e8 busy
-- Yuri E-mail:vpycp.rpgx@relay.tunkki.fi AMPR: rz1awt.ampr.org