ASROCK Z270 Extreme4 User Manual page 28

Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.8, No. 15)
Serial ATA3 Connectors
(SATA3_4_5:
see p.8, No. 10)
(SATA3_2_3:
see p.8, No. 11)
(SATA3_0_1:
see p.8, No. 12)
(SATA3_A1_A2:
see p.8, No. 13)
USB 2.0 Headers
(9-pin USB_1_2
(see p.8, No. 19)
(9-pin USB_3_4)
(see p.8, No. 20)
(9-pin USB_5_6)
(see p.8, No. 21)
22
Please connect the
SPEAKER
DUMMY
chassis power LED and
DUMMY
the chassis speaker to this
+5V
header.
1
PLED+
PLED+
PLED-
These eight SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
* M2_1, SATA3_0 and
SATA3_1 share lanes. If
either one of them is in
use, the others will be
disabled.
* M2_2, SATA3_4 and
SATA3_5 share lanes. If
either one of them is in
use, the others will be
disabled.
*To minimize the boot
time, use Intel® Z270
SATA ports (SATA3_0)
for your bootable devices.
There are three 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