> As far as I understand a regular 25 pin serial port has 2 serial ports > built-in on one chip. All serial lines which are needed for most > communitcation devices (TxD RTS DTR RxD CTS DSR DCD RI) are doubled! > The secondary ones are almost completely specified by the RS232 > (STxD SRTS SDTR SRxD SCTS SDCD) one would need to choose SDSR and SRI and > I think that is possible with some pins left.
Errr, I think this applies to SPARC serial ports, not PC. My fossil of a SPARCclassic has one of those weirdo serial ports, and uses a Y-cable for connecting it to up to two serial devices. Just my $0.02. Mike Pfleger There's seventy brilliant people on earth. Where are they hiding? "Yashar" -Cabaret Voltaire (off of "2x45")