D-Links DFE-530TX Fast Ethernet adapter is a high-performance auto-sensing 10/100 Mbps dual-speed adapter for the PCI bus. The adapter operates in the 32-bit Bus Master mode, delivering throughputs at multi-megabits per second with little stress on hosts CPU. Network administrators can install optional boot ROMs on the adapters to implement network security. Diskless workstations equipped with these ROMs can remote boot from Net Ware or Windows NT servers & access authorized data. The adapter supports all major network operating systems, including Net Ware, Windows & Linux.