Atheros L1 Gigabit NIC - Windows 7 32bit - disconnecting from Network

Problems with this NIC * Atheros L1 Gigabit NIC - hangs, * Disconnects from network * Refuse to accept Static assigned IP. * Accept static assigned IP - can ping network but not browse internet as it keeps on losing the Default Gateway setting. Driver http://199.91.153.158/jcl8z3i2zlog/momwqimjnew/%5Bwikidrivers.com%5D+Atheros_L1_v2.4.7.29.exe Reinstallation of this driver & a reboot fixed this problem