Gigabyte Z790 D DDR4 [23/42] 4 cpu_fan sys_fan1 2a 2b fan headers

Gigabyte Z790 UD [23/42] 4 cpu_fan sys_fan1 2a 2b fan headers
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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.
3/4) CPU_FAN/SYS_FAN1/2A/2B (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.
5) SYS_FAN3_PUMP (System Fan/Water Cooling Pump Header)
The fan/pump header is 4-pin and possesses a foolproof insertion design. 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. The header also provides speed control for a water cooling pump. Please navigate to
the "BIOS Setup" page of GIGABYTE's website and search for "Smart Fan 6" for more information.
DEBUG
PORT
G.QBOFM
1
CPU_FAN
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
1
SYS_FAN1/2A/2B
Pin No. Denition
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
Pin No. Denition
1 GND
2 Voltage Speed Control
3 NC
4 PWM Speed Control
CPU_FAN/SYS_FAN1/2A:
SYS_FAN2B:
Pin No. Denition
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control

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