ASROCK Taichi B550 User Manual page 37

Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.8, No. 26)
Serial ATA3 Connectors
(SATA3_1_2:
see p.8, No. 15)
(SATA3_3_4:
see p.8, No. 16)
(SATA3_A1_A2:
see p.8, No. 18)
(SATA3_A3_A4:
see p.8, No. 17)
USB 2.0 Headers
(9-pin USB_3_4)
(see p.8, No. 25)
(9-pin USB_5_6)
(see p.8, No. 24)
USB 3.2 Gen1 Headers
(19-pin USB3_7_8)
(see p.8, No. 10)
(19-pin USB3_5_6)
(see p.8, No. 14)
30
SPEAKER
DUMMY
DUMMY
+5V
1
PLED+
PLED+
PLED-
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
Vbus Vbus
Vbus IntA_PB_SSRX-
IntA_PA_SSRX- IntA_PB_SSRX+
IntA_PA_SSRX+ GND
GND IntA_PB_SSTX-
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+ GND
GND IntA_PB_D-
IntA_PA_D- IntA_PB_D+
IntA_PA_D+ Dummy
1
1
Dummy
IntA_PA_D+
IntA_PB_D+ IntA_PA_D-
IntA_PB_D- GND
GND
IntA_PA_SSTX+
IntA_PB_SSTX+
IntA_PA_SSTX-
GND
IntA_PB_SSTX-
GND IntA_PA_SSRX+
IntA_PB_SSRX+ IntA_PA_SSRX-
IntA_PB_SSRX-
V Vbus
V Vbus
Please connect the
chassis power LED and
the chassis speaker to this
header.
These eight SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
*To minimize the boot
time, use AMD B550
SATA ports (SATA3_1)
for your SSDs.
There are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
There are two headers on
this motherboard. Each
USB 3.2 Gen1 header can
support two ports.