English, Asrock 990fx extreme9 motherboard, Port on the i/o panel, there is – ASRock 990FX Extreme9 User Manual
Page 31: Atx power connector please connect an atx power, Supply to this connector, Atx 12v power connector please connect an atx 12v, Power supply to this connector

31
ASRock 990FX Extreme9 Motherboard
English
IEEE 1394 Header
Besides one default IEEE 1394
(9-pin FRONT_1394)
port on the I/O panel, there is
(see p.2 No. 33)
one IEEE 1394 header
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
+12V
GND
+12V
1
RXTPBM_0
GND
RXTPAM_0
RXTPBP_0
GND
RXTPAP_0
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.2 No. 10)
12
1
24
13
20-Pin ATX Power Supply Installation
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.
12
1
24
13
ATX 12V Power Connector
Please connect an ATX 12V
(8-pin ATX12V1)
power supply to this connector.
(see p.2 No. 1)
4-Pin ATX 12V Power Supply Installation
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.
8 5
4 1
8 5
4 1
(3-pin CPU_FAN2)
(see p.2 No. 5)
GND
+12V
CPU_FAN_SPEED