ASROCK 870 Extreme3 Bedienungsanleitung Seite 23

ATX 12V Power Connector
(8-pin ATX12V1)
(see p.2 No. 3)
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.2 No. 25)
Serial port Header
(9-pin COM1)
(see p.2 No.31)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(see p.2 No. 33)
ASRock
Please connect an ATX 12V
8 5
power supply to this connector.
4 1
4-Pin ATX 12V Power Supply Installation
Besides one default IEEE 1394
port on the I/O panel, there is one
IEEE 1394 header
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
This COM1 header supports a
serial port module.
HDMI_SPDIF header, providing
SPDIF audio output to HDMI VGA
card, allows the system to
connect HDMI Digital TV/
projector/LCD devices. Please
connect the HDMI_SPDIF
connector of HDMI VGA card to
this header.
870 Extreme3 Motherboard
8 5
4 1
2 3 2 3 2 3
2 3 2 3