Gigabyte GA-945P-S3 Manual - Page 20

/5 CPU_FAN / SYS_FAN / PWR_FAN Cooler Fan Power Connector, NB_FAN Chip Fan Power Connector - s3

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English 3/4/5) 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 fan cable to the CPU_FAN/SYS_FAN connector to prevent CPU damage or system hanging caused by overheating. 1 CPU_FAN CPU_FAN: Pin No. 1 2 3 4 Definition GND +12V/Speed Control Sense Speed Control 1 SYS_FAN 1 PWR_FAN SYS_FAN/PWR_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 6) NB_FAN (Chip Fan Power Connector) The chip fan will not work if you install it in the wrong direction and sometimes the chip fan will be damaged. Pin No. Definition 1 GND 1 2 +12V 3 NC GA-945P-DS3/S3 Motherboard - 20 -

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GA-945P-DS3/S3 Motherboard
- 20 -
English
3/4/5) 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 fan cable to the CPU_FAN/SYS_FAN connector to prevent
CPU damage or system hanging caused by overheating.
1
Pin No.
Definition
1
GND
2
+12V/Speed Control
3
Sense
4
Speed Control
Pin No.
Definition
1
GND
2
+12V
3
Sense
CPU_FAN:
SYS_FAN/PWR_FAN:
6)
NB_FAN (Chip Fan Power Connector)
The chip fan will not work if you install it in the wrong direction and sometimes the chip fan will be
damaged.
Pin No.
Definition
1
GND
2
+12V
3
NC
PWR_FAN
1
1
CPU_FAN
SYS_FAN
1