The IBM 10/100 Mbps Ethernet PCI Adapter II is capable of communicating at 10 or 100 Mbps and supports: half and full duplex operation; auto-negotiation to determine speed and duplex capability; network boot capability and Network Install Manager (NIM). This high-performance, low-power Ethernet 10/100 Mbps LAN adapter can be used in both client and server PCI systems.