Wake On Lane Cable

zemuron

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I have a D-Link NIC. There's a Wake On Lane Cable included and I'm not using it. I don't remember what it does. What does that cable do?
 

jihiggs

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it keeps power to the nic so it will be ready to turn the pc on if it recieves a magic packet.

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phsstpok

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I'm curious about this cable too. My Wake On LAN function works without the cable installed.

Right now I'm using CC_Get_Mac_Address to send the Magic Packet but I looking for a freebie utility. WOL seems to work exactly the same with or without the cable.



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jihiggs

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an old revision of the pci standard didnt keep the card powered. so the cable was neccisary. its just for backward compatibility.

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phsstpok

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an old revision of the pci standard didnt keep the card powered. so the cable was neccisary. its just for backward compatibility.
Ah! That explains it. These NIC's are a few years old (though I just bought them). They are generic Realtek 8139's.

How long has Wake on LAN been around? My Epox 8KTA3PRO is a few years old and supports it but almost looks like it was a rush implementation. There's a WOL header but no BIOS option for WOL, per se. Instead there is Power ON/Resume by LAN option in BIOS but this does not do what I want. Instead, Starting Windows on the one computer automatically starts the other.

The only way I could make WOL work is to disable the Power On by LAN option and to enable the Power on by PCI option. This made WOL work correctly. The computer doesn't start unless I send the Magic Packet.

My second computer has a motherboard that's 5 years old and it doesn't even have a WOL header. Unfortunately, it also doesn't seem to have the same Power On by PCI option in BIOS so WOL only works one way for me. (I only have the two computers networked).

<b>56K, slow and steady does not win the race on internet!</b>
 

jihiggs

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dont know when it came about, id have to say it was widely implemented at least 3 years ago. far as im concerned it doesnt work worth sh1t. ive gotten it to work on my computers sporaticaly. ive given up on it being a viable option for anything important. theres not even that much information out there on it.

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Dev

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I don't know why, but on Intel managed NICs you need WOL to be connected in order to do remote boots. Does anyone know th reason for this?

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jihiggs

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because the nic needs power from somewhere, newer revision cards and slots have this integrated into the connector, if not you need that power cable.

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Dev

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But they do get power from the PCI slot, don't they? Using a Ghost floppy works fine, but when remote imaging from an Altiris server it's needed. I must admit I can't see much difference between Ghosting and using RIS/Altiris.

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Dev

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Yep, and that's why I don't get it :). The comps are already on when pulling the image.

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jihiggs

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the comps are already on, and one software package wont pull an image but the other one will without that cable connected????

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Dev

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It's strange isn't it? Altiris just needs that cable on Intel Pro 100s to get the image. Altiris uses the PXE on the card though, and ghost doesn't. I suspect it's got something to do with the PXE, but I have no idea what it is.

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