ASROCK EPC612D4I User Manual page 30

Serial ATA3 Connectors
(SATA3_0)
(see p.6, No. 23)
(SATA3_1)
(see p.6, No. 22)
(SATA3_2)
(see p.6, No. 25)
(SATA3_3)
(see p.6, No. 24)
USB 3.0 Connector
(USB3_3)
(see p.6, No. 16)
USB 3.0 Header
(19-pin USB3_4_5)
(see p.6, No. 26)
USB 2.0 Header
(9-pin USB_3_4)
(see p.6, No. 15)
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 20)
24
SATA3_2
SATA3_3
IntA_PA_D+
IntA_PA_D-
GND
IntA_PA_SSTX+
IntA_PA_SSTX-
GND
IntA_PA_SSRX+
IntA_PA_SSRX-
Vbus
1
Vbus
IntA_PB_SSRX-
IntA_PB_SSRX+
GND
IntA_PB_SSTX-
IntA_PBA_SSTX+
GND
IntA_PB_D-
IntA_PB_D+
Dummy
USB_PWR
P-4
P+4
GND
DUMMY
1
GND
P+3
P-3
USB_PWR
DUMMY SPEAKER
1
+5V DUMMY
These ten SATA3 connectors
SATA3_0
support SATA data cables for
internal storage devices with
up to 6.0 Gb/s data transfer
SATA3_1
rate.
Besides two default USB 3.0
ports on the I/O panel, there
is one USB 3.0 header on this
motherboard. This USB 3.0
header can support two USB
3.0 ports.
here is one USB 2.0 header on
this motherboard. Each USB
2.0 header can support two
ports.
Please connect the chassis
speaker to this header.