Dell OptiPlex GX520 User Manual page 107

<F12> or <Ctrl><Alt><F8>
Controls and Lights
Power control
Power light
Hard-drive access light
Link light
Link integrity light (on integrated network adapter)
Activity light (on integrated network adapter)
Diagnostic lights
Standby power light
Power
DC power supply:
Wattage
Heat dissipation
Voltage
Backup battery
Physical
Height
Width
Depth
Weight
Environmental
Temperature:
Operating
Storage
Relative humidity
Maximum vibration:
Operating
Storage
Maximum shock:
Operating
Storage
Altitude:
Operating
Storage
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(during system tart-up 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 hard-drive and
system diagnostics
push button
green light — Blinking green indicates sleep mode;
solid green indicates power-on state.
amber light — Blinking amber indicates a problem
with an installed device; solid amber indicates an
internal power problem (see "Power
green
solid green light indicates network connection
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
AUX_PWR on the system board
230 W
785 BTU/hr
NOTE: Heat dissipation is calculated based upon the
power supply wattage 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
41.4 cm (16.3 inches)
18.5 cm (7.3 inches)
43.9 cm (17.3 inches)
12.34 kg (27.2 lb)
10° to 35°C (50° to 95°F)
–40° to 65°C (–40° to 149°F)
20% to 80% (noncondensing)
0.25 G at 3 to 200 Hz at 0.5 octave/min
0.5 G at 3 to 200 Hz at 1 octave/min
bottom half-sine pulse with a change in velocity of
50.8 cm/sec (20 inches/sec)
27-G faired square wave with a velocity change of
508 cm/sec (200 inches/sec)
–15.2 to 3048 m (–50 to 10,000 ft)
–15.2 to 10,668 m (–50 to 35,000 ft)
Problems").
"Diagnostic Lights")