Gigabyte GA-M55S-S3 Manual - Page 20

/6 CPU_FAN / SYS_FAN / PWR_FAN Cooler Fan Power Connector, PCIE_12V Power Connector

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English 3) PCIE_12V (Power Connector) The PCIE_12V power connector supplies extra power to the PCIE x16 slot. Connect this connector depending on your system requirements. 1 PIin No. Definition 1 NC 2 GND 3 GND 4 +12V 4/5/6) CPU_FAN / SYS_FAN / PWR_FAN (Cooler Fan Power Connector) The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin (only for CPU_FAN) power connector and possesses a foolproof connection design. Most coolers are designed with color-coded power connector wires. A red power connector wire indicates a positive connection and requires a +12V power voltage. The black connector wire is the ground wire (GND). Remember to connect the CPU/system/power fan cable to the CPU_FAN/SYS_FAN/PWR_FAN connector to prevent CPU damage or system hanging caused by overheating. 1 CPU_FAN 1 SYS_FAN 1 PWR_FAN CPU_FAN : Pin No. 1 2 3 4 Definition GND +12V / Speed Control Sense Speed Control SYS_FAN / PWR_FAN : Pin No. Definition 1 GND 2 +12V 3 Sense GA-M55S-S3 (rev. 2.0) Motherboard - 20 -

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GA-M55S-S3 (rev. 2.0) Motherboard
- 20 -
English
4/5/6) CPU_FAN / SYS_FAN / PWR_FAN (Cooler Fan Power Connector)
The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin (only for
CPU_FAN) power connector and possesses a foolproof connection design.
Most coolers are designed with color-coded power connector wires. A red power connector wire
indicates a positive connection and requires a +12V power voltage. The black connector wire is
the ground wire (GND).
Remember to connect the CPU/system/power fan cable to the CPU_FAN/SYS_FAN/PWR_FAN
connector to prevent CPU damage or system hanging caused by overheating.
3)
PCIE_12V (Power Connector)
The PCIE_12V power connector supplies extra power to the PCIE x16 slot. Connect this connector
depending on your system requirements.
1
PIin No.
Definition
1
NC
2
GND
3
GND
4
+12V
Pin No.
Definition
1
GND
2
+12V / Speed Control
3
Sense
4
Speed Control
CPU_FAN :
Pin No.
Definition
1
GND
2
+12V
3
Sense
SYS_FAN / PWR_FAN :
CPU_FAN
1
SYS_FAN
1
PWR_FAN
1