The RTL8029AS features a 16-bit ISA interface, making it suitable for older systems that use the ISA bus architecture. It was commonly used in desktop PCs and early networking cards during the late 1990s and early 2000s.

The RTL8029AS has become outdated and is no longer commonly used in modern computing systems. Advances in networking technology have led to faster Ethernet controllers, such as the RTL8139 series, which support 100 Mbps speeds and better performance.

While the RTL8029AS served its purpose in the past, it now holds historical significance as an example of early Ethernet controllers and the progression of network connectivity in computing history.