User`s manual
- 30 -
Hardware Installation
• Be sure to connect fan cables to the fan headers to prevent your CPU and system from
overheating. Overheating may result in damage to the CPU or the system may hang.
• Thesefanheadersarenotcongurationjumperblocks.Donotplaceajumpercapontheheaders.
4/5) CPU_FAN/SYS_FAN1/2/3/4/5/6 (Fan Headers)
Themotherboardhasa4-pinCPUfanheader(CPU_FAN),four4-pin(SYS_FAN1/SYS_FAN2/SYS_FAN3/
SYS_FAN4)andtwo3-pin(SYS_FAN5/SYS_FAN6)systemfanheaders.Mostfanheaderspossessa
foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation
(theblackconnectorwireisthegroundwire).Thespeedcontrolfunctionrequirestheuseofafanwith
fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed
inside the chassis.
CPU_FAN:
Pin No. Denition
1 GND
2 +12V
3 Sense
4 Speed Control
CPU_FAN
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
1
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. Denition
1 +12V
2 +12V
3 +12V
4 GND
5 GND
6
GND
SYS_FAN1/2/3/4:
Pin No. Denition
1 GND
2 +12V / Speed Control
3 Sense
4 VCC
SYS_FAN5/6:
Pin No. Denition
1 GND
2 +12V
3 NC
SYS_FAN2/3/4
SYS_FAN6
1
SYS_FAN5
1
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3
BSSS
U
__ 3
F_USB3F
S _
14
36
DEBUG
PORT
G.QBOFM
1
SYS_FAN1