>Maybe your com port is getting serial overruns because the new card is
>causing lots of higher priority interrupts.
>
>I used to be able to make any ppp on com grind to a halt by scp-ing
>from/flood pinging my gateway - doesn't happen now I've got a PCI DSL modem
>on the same set up. I didn't fix it, but assumed it was because the IRQ on
>the com was too low.
>
>You can change this with irqtune.
Does this even work with 2.4.x SMP kernels with APIC enabled?
Charles