User`s manual

SBC86831 Series All-In-One Mini ITX Board User’s Manual

Jumpers and Connectors

Pin Signal Pin Signal

17 N.C 18 GND

19 N.C 20 N.C

21 GND 22 PCIE_RESET-

23 PCIE_RXN 24 +3.3V_SBY

25 PCIE_RXP 26 GND

27 GND 28 +1.5V

29 GND 30 SMB_CLK

31 PCIE_TXN 32 SMB_DATA

33 PCIE_TXP 34 GND

35 GND 36 USB_D-

37 N.C 38 USB_D+

39 N.C 40 GND

41 N.C 42 N.C

43 N.C 44 N.C

45 N.C 46 N.C

47 N.C 48 +1.5V

49 N.C 50 GND

51 N.C 52 +3.3V

2.4.20 System & CPU Fan Connectors: FAN1, FAN2

FAN1 is a fan connector for system, and FAN2 for CPU. Pentium

microprocessors require a fan for heat dispensing. These fan

connectors are for fan power supply.

Pin Signal

1 GND

2 +12V

3 Sensor

FAN1

FAN2