i have cisco p21ag wireless client adapter (Cisco Aironet 802.11a/b/g Wireless Adapter), on cisco site i found drivers for x32 OS, but i don't search any driver for windows XP x64.
On hardware id ( VEN_168C&DEV_0013&SUBSYS_CC2114B9&REV_01 ) i search driver. Chipset - Atheros. but any driver from atheros (x64 XP and Vista) don't install corectly. After installation atheros driver in device manager i see atheros wi-fi card with "!" in description code 10, Device not started. If anyone have some problem please help.