Dell Precision T7400 User's Guide - Page 33

Controls and Lights Hard-drive access light Link integrity lights Activity light Diagnostic lights Standby power light Power DC power supply Wattage Heat dissipation Voltage Backup battery Physical Height Width Depth Front panel: green light-on when the computer reads data from or writes data to the hard drive; the light may also be on when a device such as the optical drive is operating 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 Back panel: yellow blinking light when there is network activity Front panel: four lights (see "Diagnostic Lights" on page 105) System AUX_PWR on the system board 1000 W 1250W or 4265 BTU/hour (system with power supply) 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) About Your Computer 33