Dell OptiPlex 330 User's Guide - Page 41

Power DC power supply: Wattage Heat dissipation Voltage Backup battery NOTE: Power consumption from an AC power source can be zero when the computer is unplugged from that power source, but the internal battery does draw a minute amount of power from the power supply even when the computer is not drawing power from the AC power source. 280 W 955 BTU/hr NOTE: Heat dissipation is calculated based upon the power supply rating. manual selection power supplies - 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz 3-V CR2032 lithium coin cell Controls and Lights Power control push button Power light green light - blinking green indicates a sleep mode; solid green indicates a power-on state. amber light - blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (See "Power Problems" on page 124.) hard drive access light green Link light solid green light indicates network connection Link integrity light (on integrated network adapter) • green light = 10 Mbps • orange light = 100 Mbps • yellow light = 1000 Mbps (1 Gbs) Activity light (on integrated network yellow blinking light adapter) Desktop Computer Views 41