I have a new replacement of a defective D2500CC motherboard. It was explained in this thread:
This new motherboard was working right 2 days, and then suddenly the first LAN was not recognized. Now inside the BIOS there is not Lan1 mac address in the section "System Information". Just there is the MAC address of the Lan2
In Linux, I have this error:
e1000e .... : The NVM Checksum Is Not Valid
e1000e: .... failed with error -5
in the Lan1 connector of motherboard there is one green light active, so I believe still is alive.
And also I can see the device in the SO:
# lspci -vvvv | grep Ethernet
01:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
02:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
I'm reading many informations about the problems with 82574L, in example:
http://thread.gmane.org/gmane.linux.kernel/1233566 e1000e interface hang on 82754L
http://blog.vodkamelone.de/archives/146-Unbricking-an-Intel-Pro1000-e1000-network-interface.html Unbricking an Intel Pro/1000 (e1000) network interface
although I'm not an expert at all. If I understand well, maybe the EEPROM was deleted or damaged. That's right?
- Is there some way to restore my LAN device?
- Is there some easy guide to flash a new LAN firmware from an USB boot to solve this issue with Linux?
Please, give me some support to know the right way to solve this. Or to know the right firmware to download and the procedure to fix this error.
I'm reading tons of informations around this issue, and I don't know exactly the right thing to do.
PowerFlower, are you able to access the operating system? I would like to know if the LAN port # 1 is working correctly.
Which is the current BIOS version of your system? Just in case, BIOS v0033 fixed an issue relate with the behavior of the LAN port under DOS.
We can also help you to replace the unit if you continue having this issue. Please get in touch with our Warranty Department, remember to ask for the higher revision available http://www.intel.com/p/en_US/support/contactsupport Contact Support