M1012 Adapter Board
J8 PWM Connector
Barebone System Fan
Fan 1
Fan 2
Fan 3
Fan 4
Fan 5
48
System Fan Speed Control Signal
Connect to
System Fan Monitoring Signal
Connect to
Chapter 3: Replacing Pre-Installed Components
Motherboard
J20 PWM Signal
Motherboard Fan
J13 (Fan1)
J14 (Fan2)
J18 (Fan 3)
J22 (CPUFan)
J21 (Fan 4)