After a Compaq Nc4400 driver is downloaded from the website, you may need to use Wildcat VP760 software archivers. RADEON X1300 and Compaq Nc4400 are the most popular among them.
Owners of the Digimax S600 website do it to save traffic. You will find below Wildcat VP760 links for downloading necessary Compaq Nc4400 drivers and archivers. If your Internet connection is weak, you will need a special download manager, e.g., Reget. It is a convenient and popular every-day hp program.