English – ASRock Z77 Extreme4-M User Manual
Page 36

36
ASRock Z77 Extreme4-M Motherboard
USB 2.0 Headers
Besides four default USB 2.0
(9-pin USB_6_7)
ports on the I/O panel, there are
(see p.2, No. 25)
three USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
(9-pin USB_8_9)
(see p.2, No. 24)
(9-pin USB_10_11)
(see p.2, No. 23)
USB 3.0 Header
Besides two default USB 3.0
(19-pin USB3_12_13)
ports on the I/O panel, there is
(see p.2, No. 9)
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.2, No. 19)
and receiving infrared module.
Consumer Infrared Module Header
This header can be used to
(4-pin CIR1)
connect the remote controller
(see p.2, No. 26)
receiver.
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