ASRock Z77 OC Formula USB 2.0 Headers Besides four default USB, Three USB 2.0 headers on this

USB 2.0 Headers							Besides four default USB 2.0
(9-pin USB4_5)							ports on the I/O panel, there are
(see p.14, No. 31)							three USB 2.0 headers on this
							motherboard. Each USB 2.0
							header can support two USB 2.0
							ports.
(9-pin USB6_7)
(see p.14, No. 34)
(9-pin USB8_9)		USB_PWR
(see p.14, No. 35)			P-9	P+9
					GND
	1					DUMMY
					GND
			P-8	P+8
		USB_PWR
USB 3.0 Header							Besides six default USB 3.0
(19-pin USB3_6_7)							ports on the I/O panel, there is
(see p.14, No. 15)							one USB 3.0 header on this
							motherboard. This USB 3.0
							header can support two USB 3.0
							ports.
Infrared Module Header							This header supports an
(5-pin IR1)							optional wireless transmitting
(see p.14, No. 38)							and receiving infrared module.
Consumer Infrared Module Header							This header can be used to
(4-pin CIR1)							connect the remote
(see p.14 No. 36)							controller receiver.

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