Dell Dimension C521 - Manual (Page 96)

96
Appendix
Activity light (on integrated network
adapter) yellow blinking light
Diagnostic lights Four lights on the front panel. See "Diagnostic Lights" on page 48.
Standby power light AUX_PWR on the system board
Power
DC power supply:
Wattage 280 W
Heat dissipation 955.39 BTU/hr maximum
NOTE:
Heat dissipation is calculated based upon the power supply
rating.
Voltage manual selection power supplies — 90 to 135 V at 50/60 Hz; 180 to
265 V at 50/60 Hz
Backup battery 3-V CR2032 lithium coin cell
Physical
Height 11.4 cm (4.5 inches)
Width 39.9 cm (15.7 inches)
Depth 35.3 cm (13.9 inches)
Weight 10.4 kg (23 lb)
Environmental
Temperature:
Operating 10° to 35°C (50° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating 0.25 G at 3 to 200 Hz at 0.5 octave/min
Storage 0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating bottom half-sine pulse with a change in velocity of 50.8 cm/sec
(20 inches/sec)
Storage 27-G faired square wave with a velocity change of 508 cm/sec
(200 inches/sec)
Controls and Lights