Playing DVD interfers with modem?

Mikkel L. Ellertson mikkel at
Tue Feb 5 15:28:59 UTC 2008

Ric Moore wrote:
> # setserial /dev/ttyS0
> /dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4
> Looks good. Man, it's been awhile since back when I managed 4 modems
> each on two machines for my BBS. That route was cheaper than those
> specialty serial cards. Worked like a dream. Didn't have DvD's back then
> either. Gonna try playing "Time Bandits" and send this email! 
You mean those 8 port cards with the funny cable ending in either 8 
DB25 connectors or a breakout box? Digi<something>. I had 2 of them, 
but they had 16450 UARTS. On one, the UARTS were socketed, so the 
ones that had hi-speed modems got upgraded to 16550A's. They worked 
under Linux as well. I ended up scrapping 14 2400 baud modems. A 
couple of ports ended up connecting to another machine running 
"door" games. Funny thing - you could not reliably connect two of 
the ports together - they would drop data.


   Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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