ASROCK B85 Pro4 Quick Install Manual page 26

Power LED Header
(3-pin PLED1)
(see p.1, No. 15)
Serial ATA2 Connectors
(SATA2_0:
see p.1, No. 7)
(SATA2_1:
see p.1, No. 8)
Serial ATA3 Connectors
(SATA3_0:
see p.1, No. 9)
(SATA3_1:
see p.1, No. 14)
(SATA3_2:
see p.1, No. 11)
(SATA3_3:
see p.1, No. 10)
USB 2.0 Headers
(9-pin USB4_5)
(see p.1, No. 18)
(9-pin USB6_7)
(see p.1, No. 17)
USB 3.0 Headers
(19-pin USB3_2_3)
(see p.1, No. 6)
24
1
PLED-
PLED+
PLED+
SATA2_0
SATA2_1
SATA3_0 SATA3_3
SATA3_1 SATA3_2
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
Vbus Vbus
Vbus IntA_PB_SSRX-
IntA_PB_SSRX+
IntA_PA_SSRX-
IntA_PA_SSRX+ GND
IntA_PB_SSTX-
GND
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+
GND
GND IntA_PB_D-
IntA_PA_D- IntA_PB_D+
IntA_PA_D+
Dummy
1
Please connect the chassis
power LED to this header
to indicate the system's
power status.
These two SATA2
connectors support SATA
data cables for internal
storage devices with up to
3.0 Gb/s data transfer rate.
These four SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
Besides two USB 2.0 ports
on the I/O panel, there
are two headers on this
motherboard. Each USB
2.0 header can support
two ports.
Besides four USB 3.0 ports
on the I/O panel, there
are one header on this
motherboard. Each USB
3.0 header can support
two ports.