ASROCK B450M/ac R2.0, User Manual

Page: 37 / 88

B450M/ac R2.0
31
English
Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.7, No. 14) Please connect the
chassis power LED and
the chassis speaker to this
header.
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) These four SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
AMD LED Fan USB
Header
(4-pin USB_7)
(see p.7, No. 8) This header is used for
connecting the USB
connector on the AMD
SR3 Heatsink.
USB 2.0 Headers
(9-pin USB_3_4)
(see p.7, No. 17)
(9-pin USB_5_6)
(see p.7, No. 18) There are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
SA
TA3_3
SA
TA3_4
SA
TA3_1
SA
TA3_2
1
USB_PWR
P-
P+
GND
1
+5V
DUMMY
PLED+
PLED+
PLED-
DUMMY
SPEAKER
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1