HP Pavilion a6244n Windows XP Driver

The problems when try to downgrade Vista to Xp in HP Pavilion a6244n Desktop PC is no HDD not detected. what you need to do is:

When you boot into the BIOS, you can change the HD controller from SATA to
IDE. Even though you have a SATA hard drive in your system, it will work
with no need to load drivers by pressing F6.

After installing you might need this drivers and its already available at intel site. In any case if the driver link given broken, just search the name of the driver given.

Chipset drivers: Intel 945G Chipset

http://tinyurl.com/2vdz3e

SATA floppy:

http://tinyurl.com/2tt23c

Nvidia Graphics:

http://www.nvidia.com/object/winxp_169.21_whql.html

Realtek HD Audio:

http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PFid=24&Level=4&Conn=3&DownTypeID=3