ASROCK STX-1000B User Manual page 21

USB 3.0 Connector
(19-pin USB3_3_4)
(see p.8 No. 20)
SPI TPM Header
(9-pin SPI_TPM1: see p.8, No. 22)
Digital Input / Output Pin Header
(10-pin JGPIO1: see p.8, No. 27)
PIN
2
1
Back Side:
SIM Card Socket (SIM1)
eDP Connector (EDP1)
IntA_P_D+
IntA_P_D-
GND
IntA_P_SSTX+
IntA_P_SSTX-
GND
IntA_P_SSRX+
IntA_P_SSRX-
1
IntA_P_SSRX+
GND
IntA_P_SSTX-
IntA_P_SSTX+
GND
IntA_P_D-
IntA_P_D+
ID
Signal Signal
PIN
Name Name
SIO_GP30 4 SIO_GP31
SIO_GP34 3 SIO_GP35
40
1
There is one USB 3.0
connector on this motherboard.
This USB 3.0 connector can
Vbus
supporttwo USB ports.
Vbus
IntA_P_SSRX-
Signal
PIN PIN
Name
6 SIO_GP32 8
5 SIO_GP36 7
21
Signal
PIN Signal Name
Name
GND
SIO_GP33 10
JGPIO_PWR
SIO_GP37 9