Appendix 107ConnectorsExternal connectors:Video 15-hole connectorNetwork adapter RJ-45 connectorUSB two front-panel and five back-panel USB 2.0-compliant connectorsAudio five connectors for line-in, line-out, microphone/ side-surround,surround, and center/subwoofer connector (LFE channel); twofront-panel connectors for headphones and microphoneSystem board connectors:Primary IDE drive one 40-pin connector on PCI local busSerial ATA two 7-pin connectorsFlexBay Drive one USB 10-pin header for optional Media Card Reader (3.5-inchbay device)Floppy drive one 33-pin connectorFan one 5-pin connectorsPCI 2.3 two 120-pin connectorsPCI Express x1 one 36-pin connectorPCI Express x16 one 164-pin connectorControls and LightsPower button push buttonPower light green light — Blinking green in sleep state; solid green for power-on state.amber light — Blinking amber indicates a problem with the powersupply inside the computer. If the system cannot boot and there isa solid amber light, this indicates a problem with the system board(see "Power Problems" on page 40).Hard-drive access light greenLink integrity light (on integratednetwork adapter)green light — A good connection exists between a 10-Mbpsnetwork and the computer.orange light — A good connection exists between a 100-Mbpsnetwork and the computer.off (no light) — The computer is not detecting a physicalconnection to the network.Activity light (on integrated networkadapter)yellow blinking light
