Dell XPS 420 (Late 2007) - Manual (Page 176)

176
Appendix
System board connectors:
Serial ATA five 7-pin connectors
FlexBay 2 port USB header
uDOC 1 port USB header
LCD Dell proprietary USB based LCD header
Fan two 5-pin connectors
PCI three 124-pin connectors
PCI Express x1 36-pin connector
PCI Express x16 164-pin connector
PCI Express x4/x8 98-pin connector
Controls and Lights
Power control push button
Power light blue light — Blinking blue in sleep state; solid blue
for power-on state.
amber light — Blinking amber indicates a problem
with an installed device; solid amber indicates an
internal power problem.
Hard-drive access light blue light — Blinking blue denoting hard drive
activity state.
Network activity light (front
panel) solid blue indicates network connection.
Link integrity light (on
integrated network adapter) green light — A good connection exists between
a 10-Mbps network and the computer.
orange light — A good connection exists between
a 100-Mbps network and the computer.
yellow light — A good connection exists between a
1-GB (1000-Mbps) network and the computer.
off (no light) — The computer is not detecting a
physical connection to the network.
Connectors (continued)
book.book Page 176 Tuesday, November 27, 2007 10:29 AM