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Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.1, No. 15)
Serial ATA3 Connectors
(SATA3_1:
see p.1, No. 13)
(SATA3_2:
see p.1, No. 12)
(SATA3_3:
see p.1, No. 10)
(SATA3_4:
see p.1, No. 11)
AMD LED Fan USB
Header
(for X370M Pro4 R2.0 /
AB350M Pro4 R2.0 only)
(4-pin USB_5)
(see p.1, No. 9)
USB 2.0 Headers
(9-pin USB_2_3)
(see p.1, No. 17)
(9-pin USB_2_4)
(see p.1, No. 18)
Please connect the
SPEAKER
DUMMY
chassis power LED and
DUMMY
+5V
the chassis speaker to this
header.
1
PLED+
PLED+
PLED-
These four SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
* M2_2 and SATA3_3
share lanes. If either one
of them is in use, the other
one will be disabled.
This header is used for
connecting the USB
connector on the AMD
SR3 Heatsink.
There are two headers
USB_PWR
P-
on this motherboard.
P+
GND
DUMMY
Each USB 2.0 header can
support two ports.
1
GND
P+
P-
USB_PWR
X370M Pro4 R2.0
AB350M Pro4 R2.0
A320M Pro4 R2.0
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