Dell T420 Technical Manual
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47 PowerEdge T420 Technical Guide
Temperature
Operating
See Fresh Air for temperature information
Storage
–40°C to 65°C (-40°F to 149°F) with a maximum temperature gradation of 20°C per hour
Relative humidity
Operating
See Fresh Air for relative humidity information
Storage
5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-
condensing at all times
Maximum vibration
Operating
0.26 Grms at 5Hz to 350Hz in all orientations
Storage
1.87 Grms at 10Hz to 500Hz for 15 minutes (all six sides tested)
Maximum shock
Operating
Half sine shock in all operational orientations of 31G +/– 5% with a pulse duration of 2.6ms
+/– 10%
Storage
Half sine shock on all six sides of 71G +/– 5% with a pulse duration of 2ms +/–10%; square
wave shock on all six sides of 27G with velocity change at 235 in/sec or greater
Altitude
Operating
–15.2m to 3048m (–50 ft to 10,000 ft)
Storage
–15.2m to 12,000m (–50 ft to 39,370 ft)
Airborne contaminant level
Class G1 or lower as defined by ISA-S71.04-1985
Video specifications
The Dell PowerEdge T420 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 T420 system supports the 2D graphics video modes listed in Table 27 and Table 28.
Table 27. Supported video modes for back VGA port
Resolution
Refresh rate (Hz)
Color depth (bit)
640 x 480
60, 70
8, 16, 32
800 x 600
60, 75
8, 16, 32
1024 x 768
60, 75
8, 16, 32
1152 x 864
60, 75
8, 16, 32
1280 x 1024
60
8, 16, 32
Table 28. Supported video modes for front VGA port
Resolution
Refresh rate (Hz)
Color depth (bit)
640 x 480
60, 70
8, 16, 32
800 x 600
60, 75
8, 16, 32
1024 x 768
60
8, 16, 32