Dell PowerEdge SC 420 User Manual
Page 3

PS/2-compatible mouse
6-pin mini-DIN
Serial
9-pin, DTE, 16550-compatible
USB
Two 4-pin, version 2.0
Video
15-pin VGA
Front
USB
Two 4-pin
Internally accessible
IDE channels
Two 40-pin
SATA channels
Two 7-pin
Video
Video type
Embedded
Video memory
8 MB
Power
AC power supply
NOTICE:
Ensure that the voltage selection switch on the power supply is set to the appropriate voltage
before turning on the power. See
Figure 1
-2
for the location of the switch.
Wattage
305 W
Voltage
115–230 VAC, 60/50 Hz, 7.0–3.5 A
Heat dissipation
1040 BTU/hr maximum
Maximum inrush current (115 VAC)
Under typical line conditions and over the entire
system ambient operating range, the inrush current
may reach 35 A for 10 ms or less.
Maximum inrush current (230 VAC)
Under typical line conditions and over the entire
system ambient operating range, the inrush current
may reach 70 A for 10 ms or less.
Batteries
System battery
CR 2032 3.0-V lithium ion coin cell
Physical
Height
49.1 cm (16.77 in)
Width
22.2 cm (7.5 in)
Depth
48.8 cm (17.67 in)
Weight (maximum configuration)
19 kg (41.9 lb.)
Environmental
NOTE:
For additional information about environmental measurements for specific system configurations, see
www.dell.com/environmental_datasheets.
Temperature
Operating
10° to 35°C (50° to 95°F)
Storage
–40° to 65°C (–40° to 149°F)
Relative humidity
Operating
8% to 85% (noncondensing) with a maximum
humidity gradation of 10% per hour
Storage
5% to 95% (noncondensing)
Maximum vibration
Operating
0.25 G at 3–200 Hz for 15 min.
Storage
0.5 G at 3–200 Hz for 15 min.
Maximum shock
Operating
One shock pulse in the positive z axis (one pulse on
each side of the system) of 41 G for up to 2 ms
Storage
Six consecutively executed shock pulses in the
positive and negative x, y, and z axes (one pulse on
each side of the system) of 71 G for up to 2 ms