Motherboards (and ethernet cards) that are PCI 2.2 (or above) should support PME (Power Management Events) signals to be sent back and forth without the need for a WOL cable. For that to happen you sometimes need to enable PME in the BIOS (sometimes called Enable Wake On Lan) along with "Reserve Power for PCI Cards" which keeps the PCI cards powered up during ACPI/G1 or G2 states (Sleep, hibernate or shutdown).

mitch


Peter Todorov wrote:
What you do on client machine?

On Sat, Dec 19, 2009 at 6:11 AM, Tortise <[email protected]> wrote:
----- Original Message ----- From: "Chris Weakland"
<[email protected]>
To: <[email protected]>
Sent: Sunday, December 13, 2009 4:40 AM
Subject: Re: [pfSense Support] Wake On LAN - Now Works on 1.2.3 Embedded!


Also if ur nic is a pci or pcie nic the wol cable must be connected to
the motherboard header for it to work with wol.

Chris
I just tried WOL using an Intel 1000GT PCI NIC, (using no wol cable between
the NIC and the motherboard) and it works fine.
The tested motherboard is a GA-EP31-DS3L, which (sadly) does not have WOL in
the BIOS.

Certainly many NIC's and motherboards will need those cables, clearly not
always.

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