Dell GX280DT User Guide - Page 273

CD drive audio interface Front audio Front panel 4-pin connector 10-pin connector (For the optional audio customer kit) 40-pin connector Key Combinations or or If running Microsoft® Windows® XP, brings up the Windows Security window. If in MS-DOS® mode, restarts (reboots) the computer starts embedded system setup (during start-up only) automatically starts the computer from the network environment specified by the remote boot environment (PXE) rather than from one of the devices in the system setup Boot Sequence option (during start-up only) displays a boot device menu that allows the user to enter a device for a single boot (during start-up only) as well as options to run hard-drive and system diagnostics Controls and Lights Power control Power light Hard-drive access light Link integrity light (on integrated network adapter) Activity light (on integrated network adapter) Diagnostic lights Standby power light push button green light-blinking green in sleep state; solid green for power-on state amber light-blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (see Power Problems) green green light for 10-Mb operation; orange light for 100Mb operation; yellow light for a 1000-Mb (1-Gb) operation yellow blinking light small form-factor, small desktop, and small mini-tower computers: four lights on the back panel desktop and mini-towercomputers: four lights on the front panel AUX_PWR on the system board Power DC power supply: Wattage Heat dissipation Voltage Backup battery small form-factor computer: 160 W small desktop computer: 210 W desktop computer: 280 W small mini-tower computer with processor speeds of 3.2 GHz or lower: 250 W small mini-tower computer with processor speeds of 3.4 GHz or higher: 305 W mini-tower computer: 305 W small form-factor computer: 546 BTU/hr small desktop computer: 717 BTU/hr desktop computer: 150W max small mini-tower computer with processor speeds of 3.2 GHz or lower: 853 BTU/hr small mini-tower computer with processor speeds of 3.4 GHz or higher: 1041 BTU/hr mini-tower computer: 150W max fixed-voltage power supply-110 V at 50/60 Hz manual selection and auto-sensing power supplies- 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese computers 3-V CR2032 lithium coin cell Physical Small Form-Factor computer: Height Width Depth Weight 9.0 cm (3.57 inches) 31.9 cm (12.54 inches) 35.4 cm (13.93 inches) 6 kg (14 lbs)