Even HP only list out windows XP drivers on their support page, you can get Windows 7 drivers from devices manufacturer site such as Intel for you chipset, graphic and Ethernet drivers. You can also use you windows XP drivers for windows 7 by install it manually.
To make it simple and to save your time to decide which drivers you need to download and install, here is the important drivers you will need. I do not list the optional application installation because most of the time you will not use it and there are tons of similar application thatch works better.
Drivers D510 SFF - Windows XP & Windows 7
Please read carefully and install according to the order.
Windows 7 drivers are not relased by HP, it is
Chipset:
Intel Chipset 800 Series (845G Chipset Family)
Windows XP : Download
Windows 7 available form Intel : Download
This chipset installation is required before audio installation.
Audio
ADI SoundMax AC97 Integrated Digital Audio Driver
Windows XP : Download
Windows 7 : I already write a brief tutorial how to install AC97 audio drivers in windows 7.
USB
Intel 2.0 USB Driver
Windows XP : Download
Windows 7 : Automatically Installed
Graphic - Integrated
Intel Extreme Graphics (Integrated with Intel 845G Chipset)
Windows XP : Download
Windows 7 : Read Installation Instruction Here
Graphic
Nvidia GeForce2 MX200 64MB with DVI-I
Windows XP : Download
Windows 7 : Read Installation Instruction Here
LAN - Ethernet
There are 3 types of LAN/Ethernet controller for this model, choose base on your specification.
Broadcom NetXtreme Gigabit Drivers
Windows XP/Vista : Download
Windows 7 : Use Windows XP/Vista Drivers - Install in compatibility mode.
Intel PRO/1000 GT Drivers
Windows XP: Download
Windows 7 : Automatically Installed.
3Com 3C90x Fast EtherLink XL/EtherLink XL NIC Drivers
Windows XP: Download
Windows 7 : Automatically Installed or use windows xp drivers and install it manually via device manager.
