🚀 go-pugleaf

In <2pd7kp$oni@harbinger.cc.monash.edu.au>, wfan1@lindblat.cc.monash.edu.au (William Fang) writes:
>
>I'm in need of another serial port or two, as I'm tired of swapping
>the printer and modem in out all day.  My multifunction I/O card has
>only two serial ports, and one is a 9 pin mouse port.
>
>I plan to a serial card with socketed uarts, and upgrade one to the 16550,
>for use with the modem.
>
>I've heard that there can be some problems running 4 serial ports under
>OS/2, and perhaps with MS-DOS or Windows, with shared interrupts or
>cascaded interrupts?
>
>Could somebody go through the gotchas?
>
>What will I need to buy to suit my needs?
>
>My present setup is:
>	486dx50
>	8mb ram
>	340mb IDE hard-drive
>	 80mb IDE hard-drive
>	3.5" HD floppy-drive
>	Hercules Monochrome card and monochrome video (serious!)
>	parallel printer
>	serial printer 	(db 25)
>	serial modem 	(db 25)
>	serial mouse	(9 pin)
>
>
>- Bill

        I don't have any direct experience with more than one serial port.
Microchannel handles it just fine but ISA is flaky sometimes. I possible
easy way out is to pick up an RS-232 switch. It allows push button
switching between two, or sometimes more, serial devices on one RS-232
port.

Mark