ATX 12V Power Connector
(8-pin ATX12V1)
(see p.2 No. 2)
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.
Serial port Header
(9-pin COM1)
(see p.2 No.26)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(
see p.2 No. 1)
ASRock 990FX Extreme3 Motherboard
Please connect an ATX 12V
5
1
power supply to this connector.
8
4
4-Pin ATX 12V Power Supply Installation
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.
5
1
8
4
31