ASROCK B450M/ac R2.0 User Manual page 37

Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.7, No. 14)
Serial ATA3 Connectors
(SATA3_1:
see p.7, No. 12)(Upper)
(SATA3_2:
see p.7, No. 11)(Lower)
(SATA3_3:
see p.7, No. 9)(Upper)
(SATA3_4:
see p.7, No. 10)(Lower)
AMD LED Fan USB
Header
(4-pin USB_7)
(see p.7, No. 8)
USB 2.0 Headers
(9-pin USB_3_4)
(see p.7, No. 17)
(9-pin USB_5_6)
(see p.7, 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.
This header is used for
GND
connecting the USB
P+
connector on the AMD
P-
USB_PWR
SR3 Heatsink.
1
There are two headers
USB_PWR
on this motherboard.
P-
P+
GND
Each USB 2.0 header can
DUMMY
support two ports.
1
GND
P+
P-
USB_PWR
B450M/ac R2.0
31