Gigabyte GA-3CESL3-RH Manual - Page 23

MCP55_FAN North Bridge Chipset Fan Connector, 22 SYS_FAN1/SYS_FAN2 System fan cable connectors

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Connector Introduction 20 ) MCP55_FAN (North Bridge Chipset Fan Connector) If you install in wrong direction, the Chip Fan will not work. Sometimes will damage the Chip Fan. (Usually black cable is GND) 1 Pin No. Definition 1 GND 2 +12V 3 Sense 21/22 ) SYS_FAN1/SYS_FAN2 (System fan cable connectors) This connector allows you to link with the cooling fan on the system case to lower the system temperature. These connectors are for system use only. SYS_FAN1 SYS_FAN2 Pin No. 1 2 3 4 1 Definition GND 12V Sense Control 23

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23
Connector Introduction
20
) MCP55_FAN (North Bridge Chipset Fan Connector)
If you install in wrong direction, the Chip Fan will not work. Sometimes will damage the Chip Fan.
(Usually black cable is GND)
1
Pin No.
Definition
1
GND
2
+12V
3
Sense
SYS_FAN2
21/22 ) SYS_FAN1/SYS_FAN2 (System fan cable connectors)
This connector allows you to link with the cooling fan on the system case to lower the system
temperature. These connectors are for system use only.
1
Pin No.
Definition
1
GND
2
12V
3
Sense
4
Control
SYS_FAN1