Cpu Fan Connector (Cpu_Fan1); System Fan Connector (Sysfan1/2/3/4) - Advantech AIMB-502 User Manual

2.8

CPU Fan Connector (CPU_FAN1)

If a fan is used, this connector supports cooling fans of 500 mA (6 W) or less.
2.9

System FAN Connector (SYSFAN1/2/3/4)

If a fan is used, this connector supports cooling fans of 500 mA (6 W) or less.
Note! Due to GPIO limitation, only 2 system fan speed could be read and
showed on BIOS section; SYSFAN 1 & 2 are one pair with the same fan
speed, and SYSFAN 3 & 4 are one pair with the same fan speed.
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