1. Mass Storage Controller
Hardware ID : PCI\VEN_104C&DEV_803B&SUBSYS_30AD103C&REV_00
2. PCI Simple Communication Controller
Hardware ID : PCI\VEN_104C&DEV_803D&SUBSYS_30AD103C&REV_00
Both ID's refer to Texas Instrument Card Reader Driver. You just need to install the original Vista drivers below and it will install both mass storage and PCI comm as mentioned above.
Texas Instrument Media Card Reader Driver
Version 2.0.0.9, 6.4MB
Download
So now you are all set. Windows 7 and Windows automatic updates will automatically installed all of the other drivers your nc6400 need. In case there are drivers you need for Windows 7 here is the description with the download link.
Intel Chipset
Intel chipset Installation Utility for 900 Series
Just Download and install the latest chipset from Intel Website. It will determine if you need to install any chipset driver updates.
Windows 7/8 (32/64-bit): Download
Audio
Automatically installed or use Windows Update. If not Install this driver:
ADI AD1981HD Audio Driver for Windows 7
Version 6.10.1.5240
Windows 7 (32/64-bit): Download
There are 2 applicable graphic drivers so choose base on your specification.
Graphic - Intel
Intel Graphic Media Accelerator (Intel 945GM/950/965) Codename : CrestLine
Hp does have the driver for windows 7 both 32 and 64 bit.
Download from HP
Download from Intel : Win 7 x86 - Win 7 x64
Graphic - ATI
ATI M64S ( Radeon X2300)
Windows 7 (32/64-bit) : Download
Touchpad
Synaptic Touchpad Driver
Windows 7 (32/64-bit) : Download
Quicklaunch
HP Quick Launch Button
Windows 7 (32/64-bit) : Download
Wireless
Intel Pro Wireless Drivers : Download
Broadcom Wireless LAN Driver : Download
LAN/Ethernet
Intel 82566M Gigabit Ethernet Controller
Windows 7 (32/64-bit) : Download
Others
Fingerprint: Download
Modem : Download
Bluetooth : Download