This product is a 10/100Mbps fast Ethernet controller with PCI bus interface, supports PCI 2.1 standard, supports CardBus status registers, supports two-channel bus master, supports scatter/gather DMA function, supports pre-fetch interrupt support, supports Wake-Up on Magic Packet TM detection and network link down event, supports chained transmission data packets, supports early transmit and early receive, supports optional early receive buffer mode, supports automatic rejection of small packets, supports automatic retransmission of collision frames, supports automatic padding of short frames, supports 4.5K bytes of receive buffer and 1.5K bytes of transmit buffer, supports optional 32-bit wide external receive buffer, supports big/little endian byte order, supports 64K bytes of expansion boot flash RAM