• 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)
The motherboard has a 4-pin CPU fan header (CPU_FAN), four 4-pin (SYS_FAN1/SYS_FAN2/SYS_FAN3/
SYS_FAN4) and two 3-pin (SYS_FAN5/SYS_FAN6) system fan headers. 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/SYS_FAN3/SYS_FAN4:
Pin No. Denition
1 GND
2 +12V /Speed Control
3 Sense
4 Speed Control
CPU_FAN/SYS_FAN3:
SYS_FAN2
1
3) ATX4P (PCIe Power Connector)
The power connector provide 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 from the power supply
to the ATX4P connector to ensure system stability.
Pin No. Denition
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_AUDIO(H)
DB_PORT
F_PANEL(NH) F_PANEL
(H61M-D2)
ACPI_CPT
(GA-IVB)
BIOS_PH
(GA-IVB)
SMB_CPT
(GA-IVB)
CLR_CMOS
CI
DIS_ME
GP15_CPT
(GA-IVB)
XDP_CPU
XDP_PCH
(GA-IVB)
TPM
w/housing
Voltage measurement module(X58A-OC)
PCIe power connector (SATA)(X58A-OC)
DIP
123
DIP
123
DIP
123
DIP
123
1
1
1
1
BIOS Switcher (X58A-OC)
PWM Switch (X58A-OC)
M_SATA
PWM Switch (SW1)(X79-UD7)
DIP
1 2 3 4 5
Voltage measurement points(G1.Sniper 3)
BIOS Switcher (SW4)
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