ASROCK A75 Extreme6 User Manual page 37

(3-pin CPU_FAN2)
(see p.12 No. 6)
ATX Power Connector
(24-pin ATXPWR1)
(see p.12 No. 9)
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your power
supply along with Pin 1 and Pin 13.
ATX 12V Power Connector
(8-pin ATX12V1)
(see p.12 No. 1)
Though this motherboard provides 8-pin ATX 12V power connector, it can still work
if you adopt a traditional 4-pin ATX 12V power supply. To use the
4-pin ATX power supply, please plug your power supply along with
Pin 1 and Pin 5.
IEEE 1394 Header
(9-pin FRONT_1394)
(see p.12 No. 34)
Serial port Header
(9-pin COM1)
(see p.12 No.27)
GND
+12V
CPU_FAN_SPEED
Please connect an ATX power
12 24
supply to this connector.
1 13
20-Pin ATX Power Supply Installation
Please connect an ATX 12V
4 8
power supply to this connector.
1 5
4-Pin ATX 12V Power Supply Installation
Besides one default IEEE 1394
RXTPAM_0
GND
port on the I/O panel, there is
RXTPBM_0
+12V
GND
one IEEE 1394 header
(FRONT_1394) on this
1
+12V
motherboard. This IEEE 1394
RXTPBP_0
GND
RXTPAP_0
header can support one IEEE
1394 port.
This COM1 header supports a
serial port module.
37
24
12
13
1
4 8
1 5