Dell GX620 User Guide - Page 215

Key Combinations or or in Microsoft® Windows® XP, brings up the Windows Security window; in MS-DOS® mode, restarts (reboots) the computer starts embedded system setup (during system 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 startup only) displays a boot device menu that allows the user to enter a device for a single boot (during system start-up only) as well as options to run harddrive and system diagnostics Controls and Lights Power control Power light Power supply status 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 indicates a sleep mode; solid green indicates the 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 light - Solid green indicates the power adapter is connected to an AC outlet and the computer. amber light - Solid amber indicates the power adapter is connected to an AC outlet but not the computer. green green light for 10-Mb operation; orange light for 100-Mb operation; yellow light for a 1000-Mb (1-Gb) operation yellow blinking light four lights on the back panel. See "Diagnostic Lights." AUX_PWR on the system board Power DC power supply Wattage Heat dissipation 220-W external supply 751 BTU/hr NOTE: Heat dissipation is calculated based upon the power supply wattage rating. 215