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Intel® Entry Server Board SE7221BA1-E TPS
Miscellaneous Board Information
Revision 1.5
63
13.4 Calculated Mean Time Between Failure (MTBF)
The MTBF (Mean Time Between Failures) for the Intel® Entry Server Board SE7221BA1-E as
configured from the factory is shown in Table 40.
Table 40. Calculated Mean Time Between Failure
Product Code
Calculated MTBF
Operating Temperature
SE7221BA1 105,577
Hrs 55
Degrees
C
13.5 Environmental
Table 41 lists the environmental specifications for the Intel® Entry Server Board SE7221BA1-E,
TBD.
Table 41. Intel® Entry Server Board SE7221BA1-E Environmental Specifications
Parameter Specification
Temperature
Non-Operating
-40
°
C to +70
°
C
Operating 0
°
C to +55
°
C
Shock
Unpackaged
50 g trapezoidal waveform
Velocity change of 170 inches/second
Packaged
Half sine 2 millisecond
Product Weight (pounds)
Free Fall (inches)
Velocity Change (inches/sec)
<20
36
167
21-40
30
152
41-80
24
136
81-100
18
118
Vibration
Unpackaged
5 Hz to 20 Hz: 0.01 g² Hz sloping up to 0.02 g² Hz
20 Hz to 500 Hz: 0.02 g² Hz (flat)
Packaged
5 Hz to 40 Hz: 0.015 g² Hz (flat)
40 Hz to 500 Hz: 0.015 g² Hz sloping down to 0.00015 g² Hz
13.6 Clearing CMOS
Clear the CMOS with the following procedure:
•
Remove power from the system
•
Move CMOS clear jumper from Pin 1 – 2 to 2 – 3.
•
Replace power to the server and power on.