The ASUS Radeon A9600XT is a graphics card based on the ATI Radeon 9600 XT GPU. This card was popular in the early 2000s and offered a good performance-to-price ratio for gaming and general graphics tasks at the time. The term "Secondary Windows driver

For Windows and typical display usage, installing the primary graphics driver for the ATI Radeon 9600 XT is the key step to getting the card working properly. That being said, secondary drivers could be relevant in scenarios where the card is used in multi-GPU configurations (like in CrossFire setups), or when you need specific drivers for particular output ports (like DVI, VGA, etc.), but typically, a single driver installation should suffice for most basic usage.