Fan Connectors - Intel D850MVSE Specification

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Intel Desktop Board D850MV Specification Update
Do not use a standard ATX power supply. Doing so could damage the board and
the processor.
For information about
Processor support
Processor usage
Power supply connectors
2. Third Paragraph in Section 1.14.2.2 Will be Removed
Section 1.14.2.2, Fan Connectors will change in its entirety as follows:
1.14.2.2

Fan Connectors

The D850MD and D850MV boards have two fan connectors with thermal control signals (fan 1 and fan 2) that
are used to switch the fans on and off as determined by the thermal sensors.
The ambient temperature of a D850MD- or D850MV-based system is thermally monitored by separate
temperature sensors that control voltage to the fan 1 and fan 2 connectors. If the fans attached to these
connectors provide a tachometer signal, the sensor reports the fan speed to the hardware monitor
component.
Table 12 summarizes the functions of the four fan connectors.
Table 12. Fan Connector Descriptions
Feature
+12 V DC connection
Tachometer output
Controllable
Fan is on in the ACPI S0 or S1 states
Fan is off in the ACPI S3, S4, and S5
states
Notes:
1. This fan is present on the D850MV board only.
2. Fan 3 uses the same controls as fan 2. If fan 2 is switched off, fan 3 is also off.
For information about
The location of the fan connectors
The signal names of the fan connectors
6
Refer to
Section 1.3, page 18
Section 1.3, page 18
Section 2.8.2.3, page 60
Processor
Fan Fan 1 Fan 2
Yes Yes Yes
Yes No Yes
No Yes Yes
Yes Yes Yes
Yes Yes Yes
Refer to
Figure 14, page 60
Section 2.8.2.3, page 58
(Note 1)
Fan 3
Yes
No
(Note 2)
Yes
Yes
Yes