[conspire] Cabal Follow Up

[Ruben]

On 12/10/2012 08:51 PM, Rick Moen wrote:
> Way back in the bad old days, we had ISA cards with things like RS-232C
> serial ports on them.  Each such port had to be hardware-configured
> (usually jumpers, though theoretically switches could be used) to
> assign a unique pair of hardware resources to each serial port, a
> hardware IRQ (interrupt channel) and an I/O base address.  I covered
> this situation in a 1995 magazine article:
>
> http://linuxmafia.com/faq/Hardware/chart.html
>
> As cited in my article, conventional IRQ assignments for serial ports were:
>
>   3   COM2 or COM4
>   4   COM1 or COM3
>
> Conventional I/0 base address assignments in 'h' = hexadecimal format:
>
> 3F8h COM1
> 2F8h COM2
> 3E8h COM3
> 2E8h COM4


O god, I remember this.  It was actually easier sometimes.  Boy, do I 
remember debugging all these jumpers

http://www.tldp.org/HOWTO/Serial-HOWTO.html

http://www.vanemery.com/Linux/Serial/serial-console.html