Dell OptiPlex 790 Setup And Features Information page 10

Drives
Small Form Factor
Ultra Small Form Factor
Control Lights And Diagnostic Lights
Power button light
Drive activity light
Diagnostic lights
Power
Coin-cell battery
Voltage
Mini-Tower
Desktop
Small Form Factor
Ultra Small Form Factor
Wattage
Mini-Tower
Desktop
Small Form Factor
10
one
one
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.
Blue light — Blinking blue light indicates that the
computer is reading data from or writing data to the
hard drive.
Four lights located on the front panel of the
computer. For more information on the diagnostic
Service Manual at support.dell.com/
lights, see the
manuals.
3 V CR2032 lithium coin cell
100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.00 A
100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.40 A
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
100 VAC to 240 VAC, 50 Hz to 60 Hz, 2.90 A
265 W
250 W
240 W