Connect Cooling Fans - Biostar X670E VALKYRIE Manual

2.3 Connect Cooling Fans

These fan headers support cooling-fans built in the computer. The fan cable and connector
may be different according to the fan manufacturer.
CPU_FAN1/ CPU_OPT: CPU Fan Header
SYS_FAN1/ SYS_FAN2/ SYS_FAN3/ SYS_FAN4: System Fan Header
Note
»» CPU_FAN1, CPU_OPT, SYS_FAN1/ 2/ 3/ 4 support 4-pin and 3-pin head connectors. When
connecting with wires onto connectors, please note that the red wire is the positive and should be
connected to pin#2, and the black wire is Ground and should be connected to pin#1(GND).
» » CPU Fan Header (CPU_FAN1): Support water cooling fan and CPU fan.
PWM Mode DC Mode
Pin Assignment Pin Assignment
1 Ground 1
2 +12V 2
3 Sense 3
4 Speed Control Signal 4
PWM Mode DC Mode
Pin Assignment Pin Assignment
1 Ground 1
2 +12V 2
3 Sense 3
4 Speed Control Signal 4
Chapter 2: Hardware installation | 11
X670E VALKYRIE
Ground
Voltage Control
Sense
NC
Ground
Voltage Control
Sense
NC