User`s manual

- 27 -
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.
• Thesefanheadersarenotcongurationjumperblocks.Donotplaceajumpercapontheheaders.
4/5) CPU_FAN/SYS_FAN1/2/3/4/5 (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:
Pin No. Denition
1 GND
2 +12V
3 Sense
4 Speed Control
CPU_FAN
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
1
3) ATX4P (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SATApowercable(s)fromthepower
supply to the ATX4P connector to ensure system stability.
Pin No. Denition
1 NC
2 NC
3 NC
4 GND
5 GND
6 GND
7 VCC
8 VCC
9 VCC
10
GND
11
GND
12 GND
13 +12V
14 +12V
15 +12V
F_USB30
F_U B_ 
F_  F_ 
 _ B
BS_ B
SB_ B
_S  S_ _ B _U _ B
 
 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3 4 5
 S3
BSSS
U
 
1 2 3
4
 
1 2 3 4
 
1 2 3
4
 
1 2 3 4
 __ 3
F_USB3F
15
1
SYS_FAN1/2/3/4/5:
Pin No. Denition
1 GND
2 Speed Control
3 Sense
4 VCC
SYS_FAN2/3/4/5
DEBUG
PORT
G.QBOFM
1
SYS_FAN1