HP ProBook 4420s Windows XP,Vista, 7 Drivers

All drivers listed here base on what HP released on their support site. I've remake the list by removing unimportant utility and list out the latest drivers you need to install. On HP website the drivers only available for Windows 7 32-bit and Windows 7 64-bit. I've check the drivers and found out that some of the drivers support Windows XP and Windows Vista.

Chipset:
Intel Chipset Installation