ASROCK 990FX Extreme4 User Manual page 35

IEEE 1394 Header
(9-pin FRONT_1394)
(see p.12 No. 15)
Serial port Header
(9-pin COM1)
(see p.12 No.31)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(
see p.12 No. 1)
Front USB 3.0 Panel Installation Guide
Step 1
Prepare the bundled Front USB 3.0
Panel, four HDD screws, and six
chassis screws.
Intall the Front USB 3.0 Panel into
Step 3
the 2.5" drive bay of the chassis.
Besides one default IEEE 1394
GND
+12V +12V
port on the I/O panel, there is
RXTPBM_0 RXTPBP_0
GND GND
one IEEE 1394 header
RXTPAM_0 RXTPAP_0
1
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
This COM1 header supports a
RRXD1
DDTR#1
DDSR#1 serial port module.
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
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.
Step 2 Screw the 2.5" HDD/SSD to the Front
USB 3.0 Panel with four HDD screws.
Screw the Front USB 3.0 Panel to
Step 4
the drive bay with six chassis screws.
35