176 AppendixSystem board connectors:Serial ATA five 7-pin connectorsFlexBay 2 port USB headeruDOC 1 port USB headerLCD Dell proprietary USB based LCD headerFan two 5-pin connectorsPCI three 124-pin connectorsPCI Express x1 36-pin connectorPCI Express x16 164-pin connectorPCI Express x4/x8 98-pin connectorControls and LightsPower control push buttonPower light blue light — Blinking blue in sleep state; solid bluefor power-on state.amber light — Blinking amber indicates a problemwith an installed device; solid amber indicates aninternal power problem.Hard-drive access light blue light — Blinking blue denoting hard driveactivity state.Network activity light (frontpanel)solid blue indicates network connection.Link integrity light (onintegrated network adapter)green light — A good connection exists betweena 10-Mbps network and the computer.orange light — A good connection exists betweena 100-Mbps network and the computer.yellow light — A good connection exists between a1-GB (1000-Mbps) network and the computer.off (no light) — The computer is not detecting aphysical connection to the network.Connectors (continued)book.book Page 176 Tuesday, November 27, 2007 10:29 AM
