The 10/100Mbps based 32-bit Peripheral Component Interconnect (PCI) Local Bus Ethernet adapter designed to address high-performance system application requirements. The Bus-master architecture built in the system and low CPU and system bus utilization. The adapter provides dual-speed support for both 10/100Mbps data rates with UTP-CAT5 or STP cable. LEDs are also provided for quick monitoring of link and activity indication. Speed is selectable by auto. Bulk packed. If no 8139 card is available, we will send out a card of equal/better specification.