GIGABYTE AMD Socket AM2 Processor Motherboard GA-M59SLI-S5 - Manual (Page 27)

Hardware Installation - 27 -
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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.
PIin No. Definition
1 NC
2 GND
3 GND
4 +12V
1
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 fan cable to the CPU_FAN/SYS_FAN connector to prevent
CPU damage or system hanging caused by overheating.
Pin No. Definition
1 GND
2 +12V
3 Sense
4 Speed Control
(Only for CPU_FAN)
1
1
CPU_FAN
SYS_FAN/PWR_FAN