If I understand you Correctly your looking for a driver!!!!
Are you looking For:The D-Link AirPlus Xtreme G DWL-G520 PCI Adapter which is
a wireless PCI adapter featuring the very latest in
advanced wireless silicon chip technology to deliver
incredibly fast data transfer in the 2.4GHz frequency.
The DWL-G520 also works with 802.11b standard wireless
devices and when used with other D-Link AirPlus Xtreme
G products delivers throughput speeds capable of handling
heavy data payloads including real-time MPEG video streaming.
Supported Operating Systems: Windows 98 Second Edition, 2000, Me, and XP.
PS: If the above what you're looking for than check the following URL for more info :