20
  
   
1 Ground 2 +12V
3 Sense 4 Speed Control Signal
     
   
CPU_FAN1  2A 24W
PUMP_FAN1  3A 36W
SYS_FAN1~2  1A 12W
 
BIOS > HARDWARE MONITOR              
1
   
1 Ground 2 Voltage Control
3 Sense 4 NC