ASROCK B85M BTC User Manual page 125

CPU
4 CPU_FAN1
p.1 No. 5
3 CPU_FAN2
p.1 No. 4
ATX
24 ATXPWR1
p.1 No. 7
ATX12V
8 ATX12V1
p.1 No. 2
PCIe
4 PCIE_PWR1
p.1 No. 24
9 COM1
p.1 No. 22
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1 2 3 4
FAN_SPEED
FAN_VOLTAGE
GND
12 24
1 13
8 5
4 1
4
CPU
3 CPU
1-3
24
ATX
20
ATX
1 13
8
ATX12V
4
ATX
1 5
3
4
COM1
B85M BTC
123