Manufacturer Gigabyte Technology Co., Ltd.
Product Z77X-D3H
BIOS Release Date 10/24/2012
update your L1C62x64.sys directly from gigabyte website if they have a update
or from https://www.atheros.cz/
if the device is a USB device be sure to update your chipset drivers for your CPU and USB chip if using a secondary USB 3.0 chipset.
update driver: https://www.atheros.cz/
==============
bugcheck was in Atheros NIC driver
3: kd> lmvm L1C62x64
start end module name
fffff880`049a6000 fffff880`049c8000 L1C62x64 T (no symbols)
Loaded symbol image file: L1C62x64.sys
Image path: \SystemRoot\system32\DRIVERS\L1C62x64.sys
Image name: L1C62x64.sys
Timestamp: Mon Jul 15 23:56:44 2013 (51E4EEAC)