Serial ATA3 Connectors
(SATA3_1:
see p.1, No. 15)
(SATA3_2:
see p.1, No. 14)
(SATA3_3:
see p.1, No. 16)
(SATA3_4:
see p.1, No. 19)
(SATA3_5:
see p.1, No. 17)
(SATA3_6:
see p.1, No. 18)
USB 2.0 Headers
(9-pin USB_5_6)
(see p.1, No. 24)
(9-pin USB_7_8)
(see p.1, No. 23)
USB 3.2 Gen1 Header
(19-pin USB3_3_4)
(see p.1, No. 12)
Front Panel Type C USB
3.2 Gen1 Header
(20-pin USB31_TC_2)
(see p.1, No. 11)
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
Vbus
Vbus
Vbus
IntA_PB_SSRX-
IntA_PA_SSRX-
IntA_PB_SSRX+
IntA_PA_SSRX+
GND
GND
IntA_PB_SSTX-
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+
GND
IntA_PB_D-
GND
IntA_PA_D-
IntA_PB_D+
IntA_PA_D+
Dummy
1
USB Type-C Cable
These six SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
*M2_2 and SATA3_5_6
share lanes. If either one
of them is in use, the other
one will be disabled.
There are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
There is one header on
this motherboard. This
USB 3.2 Gen1 header can
support two ports.
There is one Front
Panel Type C USB 3.2
Gen1 Header on this
motherboard. This header
is used for connecting a
USB 3.2 Gen1 module for
additional USB 3.2 Gen1
ports.
B550 Steel Legend
29