Dell Precision 690 User Guide - Page 82

Audio System board connectors: IDE drive Floppy drive SAS/ SATA SATA Key Combinations or Controls and Lights Power control Power light Hard-drive access light Link integrity light Activity light Diagnostic lights Standby power light Power DC power supply: Wattage Heat dissipation Voltage Backup battery Physical Height Width Depth Approximate minimum weight two front-panel connectors for microphone and headphones; two back-panel connectors for line-in and line-out/ headphones 40-pin connector 34-pin connector four 7-pin connectors three 7-pin connectors starts embedded system setup (during start-up only) starts the Boot Device menu (during start-up only) launches the utility partition (if installed) during computer start-up push button green light-blinking green in sleep state; solid green for power-on state amber light-blinking amber indicates that an internal power problem might exist; solid amber indicates that a device may be malfunctioning or incorrectly installed (see Power Problems) green Back panel: green light for 10-Mb operation; orange light for 100-Mb operation; yellow light for a 1000-Mb (1-Gb) operation Front panel: displays solid green when a network connection is present NOTE: If an active network connection is present, the light will remain on even if the onboard LAN controller is disabled in system setup. The light will only be off when the computer is in a low-power mode. yellow blinking light on the back panel when there is network activity. four lights on the front panel AUX_PWR on the system board 750 W or 1 KW 750 W: 2559 BTU/hour 1 KW: 3412 BTU/hour Note: Heat dissipation is calculated based upon the power supply wattage rating. auto-sensing power supply-90 V to 265 V at 50/60 Hz 3-V CR2032 lithium coin cell 22.3 in (56.6 cm) With stand: 12.8 in (32.5 cm) Without stand: 8.5 in (21.6 cm) 21.2 in (53.8 cm) 55 lb (24.9 kg)