ASRock A320M Pro4 R2.0 Quick Installation Guide - Page 31

for X370M Pro4 R2.0

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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) SATA3_1 SATA3_3 SATA3_2 SATA3_4 SPEAKER DUMMY DUMMY +5V 1 PLED+ PLED+ PLED- X370M Pro4 R2.0 AB350M Pro4 R2.0 A320M Pro4 R2.0 Please connect the chassis power LED and the chassis speaker to this header. 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. AMD LED Fan USB Header (for X370M Pro4 R2.0 / AB350M Pro4 R2.0 only) (4-pin USB_5) (see p.1, No. 9) This header is used for connecting the USB connector on the AMD SR3 Heatsink. USB 2.0 Headers (9-pin USB_2_3) (see p.1, No. 17) (9-pin USB_2_4) (see p.1, No. 18) USB_PWR PP+ GND DUMMY 1 GND P+ PUSB_PWR There are two headers on this motherboard. Each USB 2.0 header can support two ports. English 29

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29
English
X370M Pro4 R2.0
AB350M Pro4 R2.0
A320M Pro4 R2.0
Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.1, No. 15)
Please connect the
chassis power LED and
the chassis speaker to this
header.
Serial A³A3 Connectors
(SA³A3_1:
see p.1, No. 13)
(SA³A3_2:
see p.1, No. 12)
(SA³A3_3:
see p.1, No. 10)
(SA³A3_4:
see p.1, No. 11)
Tese four SA³A3
connectors support SA³A
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
* M2_2 and SA³A3_3
share lanes. If either one
of them is in use, the other
one will be disabled.
AMD LED ²an USB
Header
(for X370M Pro4 R2.0 /
AB350M Pro4 R2.0 only)
(4-pin USB_5)
(see p.1, No. 9)
Tis header is used for
connecting the USB
connector on the AMD
SR3 Heatsink.
USB 2.0 Headers
(9-pin USB_2_3)
(see p.1, No. 17)
(9-pin USB_2_4)
(see p.1, No. 18)
Tere are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
1
+5V
DUMMY
PLED+
PLED+
PLED-
DUMMY
SPEAKER
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
SATA3_3
SATA3_4
SATA3_1
SATA3_2