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Jmircron Ethernet and ML 10.8.3

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The all "F"'s is not a valid MAC address. That is considered a broadcast frame and your NIC should never get an IP from your router if that's the case.Sometimes your (non-wireless) NIC ends up with a MAC address of 00:00:00:00:00:00 / FF:FF:FF:FF:FF:FF / 04:4B:80:80:80:03 after a BIOS update.

This effectively makes your NIC useless until you can fix it. On some boards this will cause a 'MAC address are invalid in both CMOS and Flash' error.

You need to get that address changed.

And so,you patch BIOS?Error is from here :wink2: (For me,you need to Flash your NIC with EEPROM.EXE(DOS),to use corectly Mac Address

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I don't know why I have to flash my NIC with EEPROM.EXE ?, because in windows 7, I use Lan connection normaly.

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