>When I power that machine down, the network interface on the router
>shows "No Carrier" for that cable, so WOL does not work from either the
>router or or the other systems on the same LAN.
>
>I'll try some more experimentation.

I would suggest double-checking the BIOS settings. If this is an onboard card,
there's usually a separate entry for enabling WoL.
In /proc/acpi/wakeup the PCI device corresponding to the card should be shown
as enabled.

Lehel