Gigabyte G1.Assassin Manual - Page 29

/6 CPU_FAN/SYS_FAN/FAN1/FAN2/FAN3 Fan Headers, PCIE_12V_1/PCIE_12V_2 Power Connectors - 2 cpu support

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3) PCIE_12V_1/PCIE_12V_2 (Power Connectors) The power connectors provide auxiliary power to the onboard PCI Express x16 slots. When two or more graphics cards are installed, we recommend that you connect the power cables from the power supply to the PCIE_12V_1 and PCIE_12V_2 connectors, or system instability may occur. 1 PCIE_12V_1 Pin No. 1 2 3 4 Definition VCC GND GND +12V 1 PCIE_12V_2 4/5/6) CPU_FAN/SYS_FAN/FAN1/FAN2/FAN3 (Fan Headers) All fan headers on this motherboard are 4-pin and support fan speed control function. 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. 1 CPU_FAN 1 SYS_FAN CPU_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 4 Speed Control SYS_FAN/FAN1/FAN2/FAN3: Pin No. Definition 1 GND 2 +12V / Speed Control 3 Sense 4 Reserve 1 FAN1/FAN2 1 FAN3 • 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 configuration jumper blocks. Do not place a jumper cap on the headers. - 29 - Hardware Installation

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- 29 -
Hardware Installation
4/5/6) CPU_FAN/SYS_FAN/FAN1/FAN2/FAN3 (Fan Headers)
All fan headers on this motherboard are 4-pin and support fan speed control function. 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.
3) PCIE_12V_1/PCIE_12V_2 (Power Connectors)
The power connectors provide auxiliary power to the onboard PCI Express x16 slots. When two or more
graphics cards are installed, we recommend that you connect the power cables from the power supply to
the PCIE_12V_1 and PCIE_12V_2 connectors, or system instability may occur.
PCIE_12V_1
1
CPU_FAN
1
FAN1/FAN2
•
Be sure to connect fan cables to the fan headers to prevent your CPU and system from over-
heating. Overheating may result in damage to the CPU or the system may hang.
•
These fan headers are not configuration jumper blocks. Do not place a jumper cap on the
headers.
PCIE_12V_2
1
FAN3
1
1
CPU_FAN:
SYS_FAN/FAN1/FAN2/FAN3:
Pin No.
Definition
1
GND
2
+12V
3
Sense
4
Speed Control
Pin No.
Definition
1
GND
2
+12V / Speed Control
3
Sense
4
Reserve
Pin No.
Definition
1
VCC
2
GND
3
GND
4
+12V
SYS_FAN
1