I may be all wet here, but are you sure it's ttyS1? If your laptop is
like mine, it probably has onboard serial that forces your PCMCIA modem
up to ttyS3. In fact, cardmgr is smart enough to symlink /dev/modem to
it for me, and un-symlink it when I pop the card out--really slick--I
always use /dev/
I am trying to use a modem PCMCIA card with a laptop. The card is
registered and configured, but the chosen interrupt (IRQ 3) does
not appear in /proc/interrupts; I think this is the reason why I
cannot access the card. It is impossible to open it either for
reading or for writing. I have checke
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