Gigabyte GA-M57SLI-S4 User Manual page 24

3) PCIE_12V (Power Connector)
This power connector provides extra power to the onboard PCI Express x16 slot. When installing
two graphics cards, please connect the power cable from the power supply to this connector, or
system instability may occur.
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.
GA-M57SLI-S4 Motherboard
1
PIin No.
CPU_FAN :
Pin No.
1
CPU_FAN
SYS_FAN / PWR_FAN :
Pin No.
1
SYS_FAN
1
PWR_FAN
- 24 -
Definition
1 NC
2 GND
3 GND
4 +12V
Definition
1 GND
2 +12V / Speed Control
3 Sense
4 Speed Control
Definition
1 GND
2 +12V
3 Sense