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21
2.3.17 3-pin or 4-pin fan support selection jumper: J5
Signal
Description
Pin
#
Pin
#
Signal
Description
GND
6 5
SYS_FAN_PWM
GND
4 3
CPU2_FAN_PWM
GND
2 1
CPU1_FAN_PWM
Pin #
Corresponding
FAN
FAN
Connector
1 & 2
CPU1 FAN
J9
3 & 4
CPU2 FAN
J37
5 & 6
Chassis FAN
J47
Open: To support 3-pin auto fan
Closed
(Default)
: To support 4-pin auto fan
Summary of Contents for S2877
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Page 10: ...http www tyan com 10 2 2 Block Diagram Tiger K8WE S2877 Block Diagram ...
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