Micro ATX Board E M B - 9 0 0 MChapter 2 Quick Installation Guide 2 - 162.17 Second Digital I/O Connector (CN6)Pin Signal Pin Signal1 DIO2-1 2 DIO2-23 DIO2-3 4 DIO2-45 DIO2-5 6 DIO2-67 DIO2-7 8 DIO2-89 +5V 10 GNDAddress=2F1H2.18 First Digital I/O Connector (CN7)Pin Signal Pin Signal1 DIO1-1 2 DIO1-23 DIO1-3 4 DIO1-45 DIO1-5 6 DIO1-67 DIO1-7 8 DIO1-89 +5V 10 GNDAddress=2F0H2.19 Fan Connector (CN10, CN13)Pin Signal1 GND2 +12V3 Speed Sense