Avalue EEV-EX03 - Manual (Page 17)

Quick Installation Guide
EEV-EX03 Quick Installation Guide 17
2.3.14 I2CLK/ I2DAT connector (CN8)
Signal PIN
+5V 1
12CLK 2
12DAT 3
GND 4
2.3.15 CPU Fan connector (CPUFAN1)
Signal PIN
GND 1
+12V 2
NC 3
CN7
CN8