> #y0: 2 slot Intel 82365SL: port 0x3E0 IRQ 5
> #y1: 2 slot Intel 82365SL: port 0x3E0 IRQ 5
> 8259enable: irq 5 shared but not level

FWIW, here's what FreeBSD has to say about the hardware.  It fires up  
on the wire fine, so the HW and cabling is okay.