Dell 790 manual Power

Drives

Small Form Factor	one
Ultra Small Form Factor	one
Control Lights And Diagnostic Lights
Power button light	Blue light — Solid blue light indicates power-on
	state; blinking blue light indicates sleep state of
	the computer.
	Amber light — Solid amber light when the
	computer does not start indicates a problem with
	the system board or power supply. Blinking
	amber light indicates a problem with the system
	board.
Drive activity light	Blue light — Blinking blue light indicates that the
	computer is reading data from or writing data to
	the hard drive.
Diagnostic lights	Four lights located on the front panel of the
	computer. For more information on the diagnostic
	lights, see the Service Manual at
	support.dell.com/manuals.
Power
Coin-cell battery	3 V CR2032 lithium coin cell
Voltage
Mini-Tower	100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.00 A
Desktop	100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.40 A
Small Form Factor	100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.60 A
	100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.00 A
Ultra Small Form Factor	100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.90 A
Wattage
Mini-Tower	265 W
Desktop	250 W

10