ASRock 990FX Extreme4 manual Front USB 3.0 Panel Installation Guide

IEEE 1394 Header

(9-pin FRONT_1394)

(see p.12 No. 15)

GND

+12V +12V

RXTPBM_0 RXTPBP_0

GND GND

RXTPAM_0 RXTPAP_0 1

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.

Serial port Header	RRXD1
(9-pin COM1)	DDTR#1
	DDSR#1
	CCTS#1
(see p.12 No.31)
	1
	RRI#1
	RRTS#1
	GND
	TTXD1
	DDCD#1

This COM1 header supports a serial port module.

HDMI_SPDIF Header	HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1)	SPDIF audio output to HDMI
(see p.12 No. 1)	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.

Front USB 3.0 Panel Installation Guide

Step 1

Prepare the bundled Front USB 3.0 Panel, four HDD screws, and six chassis screws.

Step 2

Screw the 2.5” HDD/SSD to the Front USB 3.0 Panel with four HDD screws.

Step 3

Intall the Front USB 3.0 Panel into the 2.5” drive bay of the chassis.

Step 4

Screw the Front USB 3.0 Panel to the drive bay with six chassis screws.

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