http://www.ec21.com/ec-market/8139d lan card.html http://jiaorouy.en.ec21.com/RTL_8139D_LAN_Card--1061124_3466885.htmlLAN and Boot ROM(Optional). Computers and operating systems that support the Advanced Configuration and Power Interface20090407 http://lolitachan.en.ec21.com/8139d_LAN_Card--3351748_3351749.html8139D chipset * Supports 10Mb/s and 100Mb/s N-way autonegotiation operation * Compliant with PCI revision 2.2 * Supp20090224 http://sunnyljj.en.ec21.com/LAN_Card--1247045_1247356.htmlcard is a highly integrated and cost-effective single-chip fast Ethernet lan card RTL8139D LAN CARD 1) Realtek 8139D 1020081212 http://leizeyu.en.ec21.com/Lan_card--626964_789356.htmlFull-Duplex 10/100Mbps PNP PCI Ethernet Interface Card with Realtek 8139D Chipsets SPECIFICATION ? Realtek RTL8139D chi20050411 http://madecom08.en.ec21.com/LAN_Card--1222435_1222483.htmlFeatures: main chip: original rtl8139d Full-Duplex 10/100Mbps PNP PCI Ethernet Interface Card with Realtek 8139D Chipse20060327