Compaq dx6120 HP Compaq dc71xx and dx61xx Series Business Desktop Computers Te - Page 124
NIC Programming, 9.5 NIC Connector
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Input/Output Interfaces 5.9.4 NIC Programming Programming the NIC consists of configuration, which occurs during POST, and control, which occurs at runtime. The Broadcom BCM5782 is configured as a PCI device and controlled through registers mapped in variable I/O space. The BIOS for the BCM5782 is contained within the HP/Compaq BIOS in system ROM. Refer to Broadcom documentation for details regarding BCM5782 register programming. 5.9.5 NIC Connector Figure 5-14 shows the RJ-45 connector used for the NIC interface. This connector includes the two status LEDs as part of the connector assembly. Speed LED Activity LED 8 7654321 Pin 1 2 3 6 4, 7, 8 Description Transmit+ TransmitReceive+ ReceiveNot used Figure 5 15. Ethernet TPE Connector (RJ-45, viewed from card edge) 5-38 361834-002 Technical Reference Guide