Expanded Operating Temperature; Video Specifications - Dell PowerEdge R940 Technical Manual

Expanded operating temperature

Table 29. Expanded operating temperature specifications
Expanded operating temperature
< 10% of annual operating hours
< 1% of annual operating hours
NOTE: When operating in the expanded temperature range, system performance may be impacted.
NOTE: When operating in the expanded temperature range, ambient temperature warnings maybe reported on the LCD panel and
in the System Event Log.

Video specifications

Table 30. R940 video specifications
Resolution
1024 x 768
1280 x 800
1280 x 1024
1360 x 768
1440 x 900
1600 x 900
1600 x 1200
1680 x 1050
1920 x 1080
1920 x 1200 60
*RB-Reduced Blanking for Digital Displays requiring less blank time. This was introduced for Signal Integrity improvements by reducing Pixel
Clock rates for VGA-Analog input devices.
44 Appendix A. Additional specifications
Specifications
5°C to 40°C at 5% to 85% RH with 29°C dew point.
NOTE:
35°C), the system can operate continuously in temperatures as low
as 5°C and as high as 40°C.
For temperatures between 35°C and 40°C, de-rate maximum allowable dry
bulb temperature by 1°C per 175 m above 950 m (1°F per 319 ft).
–5°C to 45°C at 5% to 90% RH with 29°C dew point.
NOTE:
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
temperature by 1°C per 125 m above 950 m (1°F per 228 ft).
Refresh rate
60 Hz
60 Hz
60 Hz
60 Hz
60 Hz
60 Hz (RB)
60 Hz
60 Hz (RB)
60 Hz
60 Hz
Outside the standard operating temperature (10°C to
Outside the standard operating temperature (10°C to
Horizontal frequency
48.4 kHz
49.7 kHz
64.0 kHz
47.71 kHz
55.9 kHz
55.54 kHz
75.0 kHz
64.7 kHz
67.158 kHz
74.556 kHz
Pixel clock
65.0 MHz
83.5 MHz
108.0 MHz
85.5 M
106.5 MHz
97.75 M
162.0 MHz
119.0 MHz
173.0 MHz
193.25 MHz