Intel SE7221BA1 Product Specification - Page 25

Thermal Monitoring - e board connections

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Intel® Entry Server Board SE7221BA1-E TPS Functional Architecture • Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing • Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to detect levels above or below acceptable values • Thermally monitored closed-loop fan control, for all three chassis fans, that can adjust the fan speed or switch the fans on or off as needed • SMBus interface 3.5.2 Thermal Monitoring Figure 9 shows the location of the sensors and fan connections on the Server Board. G 4 1 A 3 1 B C 4 1 D 1 3 Item A B C D E F G F E Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan connector VReg chassis fan connector Front chassis fan connector Rear fan connector OM16679 Figure 9. Thermal Monitoring Revision 1.5 15

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Intel® Entry Server Board SE7221BA1-E TPS
Functional Architecture
Revision 1.5
15
•
Two remote thermal diode sensors for direct monitoring of processor temperature and
ambient temperature sensing
•
Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP)
to detect levels above or below acceptable values
•
Thermally monitored closed-loop fan control, for all three chassis fans, that can adjust
the fan speed or switch the fans on or off as needed
•
SMBus interface
3.5.2
Thermal Monitoring
Figure 9 shows the location of the sensors and fan connections on the Server Board.
OM16679
B
A
C
E
F
G
D
1
3
1
3
1
4
1
4
Item
Description
A
Remote ambient temperature sensor
B
Thermal diode, located on processor die
C
Ambient temperature sensor, internal to hardware monitoring and fan control ASIC
D
Processor fan connector
E
VReg chassis fan connector
F
Front chassis fan connector
G
Rear fan connector
Figure 9.
Thermal Monitoring