Specifications

41 PowerEdge M420 Technical Guide
Temperature and humidity
< 10% of annual operating hours: 5°C to 40°C at 5% to 85% RH with 26°C
dew point. Outside the standard operating temperature (10°C to 35°C), the
system can operate down to 5°C or up to 40°C for a maximum of 10% of its
annual operating hours. For temperatures between 35°C and 40°C, de-rate
maximum allowable dry bulb temperature by 1°C per 175 m above 950m
(1°F per 319 ft).
< 1% of annual operating hours: –5°C to 45°C at 5% to 90% RH with 26°C
dew point. Outside the standard operating temperature (10°C to 35°C), the
system can operate down to –5°C or up to 45°C for a maximum of 1% of its
annual operating hours. For temperatures between 40°C and 45°C, de-rate
maximum allowable dry bulb temperature by 1°C per 125m above 950m
(1°F per 228 ft).
Expanded operating temperature restrictions:
 Single processor configuration is required.
Storage
–40
°
C to 95
°
C (–40
°
F to 203
°
F) with a maximum temperature gradation of
10
°
C per hour
The Dell PowerEdge M420 iDRAC incorporates an integrated video subsystem. The graphics
controller is the 2D Matrox
®
G200. The video frame buffer (16MB) is contained within the iDRAC
RAM (256MB) device.
The M420 system supports the 2D graphics video modes in Table 23.
Resolution
Refresh Rate (Hz)
Color Depth (bit)
640 x 480
60, 70
8, 16, 32
800 x 600
60, 75, 85
8, 16, 32
1024 x 768
60, 75, 85
8, 16, 32
1280 x 1024
60, 75
8, 16, 32
1440 x 900 (stretch goal)
60
8, 16, 32
USB peripherals are supported through the front USB ports. They are USB 2.0 compliant.