John Kohl writes:
> (a) make sure you have the most recent copy of the patches; I've fixed
> at least one serious 3c589 gaffe in the past month.
> 
> (b) try configuring for different interrupts; I have seen one 3c589B or
> C not work on irq 9 (it worked fine on IRQ 10).

Actually, I figured out last night that the onboard sound hardware on
the laptop was configured for irq 10, which prevented it from working
for the ethernet. Once I changed that in the BIOS setup, the 3c589c
works just fine at 0x300 and irq 10.