Gigabyte GA-6PXSV2 Manual - Page 20

/5/6 CPU_FAN1/SYS_FAN1/SYS_FAN2/SYS_FAN3 CPU Fan/System Fan Headers, PWR_DET1 Power management

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3/4/5/6) CPU_FAN1/SYS_FAN1/SYS_FAN2/SYS_FAN3 (CPU Fan/System Fan Headers) The motherboard has a 4-pin CPU fan header (CPU_FAN1), three 4-pin (SYS_FAN1/SYS_FAN2/SYS_ FAN3) 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 motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. CPU_FAN1 SYS_FAN1 1 SYS_FAN1 1 CPU_FAN1 SYS_FAN2 SYS_FAN3 SYS_FAN2 Pin No. 1 2 3 4 Definition GND +12V Sense Speed Control SYS_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. 7) PWR_DET1 (Power management connector) Pin No. Definition 1 SMB CLK 1 2 SMB DATA 3 SMB Alert 4 GND 5 5 3.3V Sense Hardware Installation - 20 -

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Hardware Installation
- 20 -
3/4/5/6) CPU_FAN1/SYS_FAN1/SYS_FAN2/SYS_FAN3 (CPU Fan/System Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN1), three 4-pin (SYS_FAN1/SYS_FAN2/SYS_
FAN3) 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 motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed
control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the
chassis.
•
Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheat-
ing. 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.
Pin No.
Definition
1
GND
2
+12V
3
Sense
4
Speed Control
1
1
CPU_FAN1
SYS_FAN1
SYS_FAN3
SYS_FAN2
SYS_FAN1
SYS_FAN2
CPU_FAN1
SYS_FAN3
7)
PWR_DET1 (Power management connector)
5
1
Pin No.
Definition
1
SMB CLK
2
SMB DATA
3
SMB Alert
4
GND
5
3.3V Sense