Fan Connectors (Cn41~Cn43) - AXIOMTEK IMB502 User Manual

IMB502 LGA1151 ATX Motherboard
2.4.16

Fan Connectors (CN41~CN43)

This motherboard has three fan connectors. Find fan speed option(s) at BIOS Setup
Utility: Advanced\HW Monitor\PC Health Status.
The CN41 (4x1-pin p=2.54mm) is for CPU fan connector.
Pin Signal
1 GND
2 +12V
3 FAN Speed Detection
4 FAN Speed Control
The CN42 and CN43 (4x1-pin p=2.54mm) are for system fan connectors.
Pin Signal
1 GND
2 +12V
3 FAN Speed Detection
4 FAN Speed Control
20 Board and Pin Assignments