Dell 180, 4100, 200 service manual Power

Table 1-5. Technical Specifications (continued)

Controls and Indicators (continued)

SCSI hard-disk drive activity
indicator	green LED
SCSI hard-disk drive fault
indicator	yellow LED
Power-supply 5-VDC online
indicator	green LED
Power-supply failure
indicator	red LED (flashes at power-on; stays lit in the
	event of a power failure)
	Power
DC power supply:
Wattage	500 W
Heat dissipation	600 BTUs (nominal)
Voltage	90 to 265 VAC at 50 or 60 Hz
Backup battery	3-V CR2450N coin cell
	Physical
Height	52.5 cm (21 inches)
Width	39.4 cm (15.75 inches)
Depth	57.5 cm (23 inches)
Weight	45 kg (100 lb) or more, depending on options
	installed
	Environmental
Temperature:
Operating	10° to 35°C (50° to 95°F)
Storage	–40° to 65°C (–40° to 149°F)
Relative humidity	8% to 80% (noncondensing)
Maximum vibration:
Operating	0.25 G at 3 to 200 Hz for 30 min
Storage	0.5 G at 3 to 200 Hz for 30 min
Maximum shock:
Operating	half-sine wave form: 50 G for 2 ms
Storage	half-sine wave form: 110 G for 2 ms;
	square wave form: 27 G for 15 ms

System Overview 1-27