ASROCK 990FX Extreme9 User Manual page 32

Serial port Header
(9-pin COM1)
(see p.2 No. 31)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2 No. 27)
The Installation Guide of Front USB 3.0 Panel
Step 1
Prepare the bundled Front USB 3.0 Panel, four
HDD screws, and six chassis screws.
Step 3
Intall the Front USB 3.0 Panel into the 2.5"
drive bay of the chassis.
Step 5
Plug the Front USB 3.0 cable into the USB
3.0 header (USB3_4_5 or USB3_6_7) on the
motherboard.
32
1
GND
IRTX
IRRX
ATX+5VSB
ASRock 990FX Extreme9 Motherboard
This COM1 header supports a
serial port module.
This header can be used to
connect the remote
controller receiver.
Step 2 Screw the 2.5" HDD/SSD to the Front
USB 3.0 Panel with four HDD screws.
Step 4 Screw the Front USB 3.0 Panel to the
drive bay with six chassis screws.
Step 6
The Front USB 3.0 Panel is ready to use.