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Hardware Installation
4/5) CPU_FAN/SYS_FAN1/2/3/4 (Fan Headers)
All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is
the ground wire). The speed control function requires the use of a fan with fan speed control design. For
optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.
CPU_FAN
G.QBOFM
1
G.QBOFM
G.QBOFM
1
1
SYS_FAN2/3/4
SYS_FAN1
Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
3) OC_PEG (PCIe Power Connector)
The power connector provides auxiliary power to the onboard PCI Express x16 slots. When two or more
graphics cards are installed, we recommend that you connect the 2x3 power cable from the power supply
to this connector to ensure system stability.
Pin No. 
1 +12V
2 +12V
3 +12V
4 GND
5 GND
6 GND
4
1
6
3
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