HP Compaq dc7100 DT Technical Reference Guide

5-38 361834-002 Technical Reference Guide
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.
Figure 5 15. Ethernet TPE Connector (RJ-45, viewed from card edge)
124 38 7 6 5
Pin
Description
1 Transmit+
2 Transmit-
3 Receive+
6 Receive-
Activity LED
Speed LED
4, 7, 8
Not used

HP Compaq dc7100 DT Specifications

General

Processor Speed	Up to 3.8 GHz
Chipset	Intel 915G
Memory	Up to 4 GB DDR2 SDRAM
Operating System	Windows XP Professional
Form Factor	Desktop
Processor	Intel Pentium 4
Storage	40 GB to 160 GB SATA
Graphics	ATI Radeon X300 SE
Optical Drive	DVD-ROM
Audio	Integrated audio
Network	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 Parallel, 1 Serial, 2 PS/2, 1 VGA