ASROCK X370 Killer SLI User Manual page 32

Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.1, No. 23)
Serial ATA3 Connectors
(SATA3_1_2:
see p.1, No. 14)
(SATA3_3_4:
see p.1, No. 13)
(SATA3_5_6:
see p.1, No. 12)
AMD LED Fan USB
Header
(4-pin USB_5)
(see p.1, No. 9)
USB 2.0 Headers
((9-pin USB_1_2)
(see p.1, No. 21)
(9-pin USB_3_4)
(see p.1, No. 22)
30
SPEAKER
DUMMY
DUMMY
+5V
1
PLED+
PLED+
PLED-
1
GND
P- P+
USB_PWR
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
Please connect the
chassis power LED and
the chassis speaker to this
header.
These six 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
connecting the USB
connector on the AMD
SR3 Heatsink.
There are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.