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Controls, LEDs, and Connectors
Table 3-1
COM Express Connector (continued)
Pin
Signal
A19
Not Connected
A20
Not Connected
A21
GND
A22
Not Connected
A23
Not Connected
A24
Not Connected
A25
Not Connected
A26
Not Connected
A27
Not Connected
A28
Not Connected
A29
Not Connected
A30
Not Connected
A31
GND
A32
Not Connected
A33
Not Connected
A34
COME_BIOS_DISAB
A35
Not Connected
A36
USB6_DM
A37
USB6_DP
A38
USB67_OSC_N
A39
USB4_DM
A40
USB4_DP
A41
GND
40
Pin
Signal
B19
Not Connected
B20
Not Connected
B21
GND
B22
Not Connected
B23
Not Connected
B24
Not Connected
B25
Not Connected
B26
Not Connected
B27
Not Connected
B28
Not Connected
B29
Not Connected
B30
Not Connected
B31
GND
B32
Not Connected
B33
MUX_IIC0_SCL
B34
MUX_IIC0_SDA
B35
Not Connected
B36
USB7_DM
B37
USB7_DP
B38
USB45_OSC_N
B39
USB5_DM
B40
USB5_DP
B41
GND
Pin
Signal
C19
Not Connected
C20
Not Connected
C21
GND
C22
Not Connected
C23
Not Connected
C24
Not Connected
C25
Not Connected
C26
Not Connected
C27
Not Connected
C28
Not Connected
C29
Not Connected
C30
Not Connected
C31
GND
C32
UART_SOUT0
C33
UART_SIN0
C34
UART_CTS0#
C35
UART_RTS0#
C36
UART_SOUT1
C37
UART_SIN1
C38
UART_CTS1#
C39
UART_RTS1#
C40
COME_EC_MDIO
C41
GND
COMX-P2020 Module Installation and Use (6806800K97F)
Pin
Signal
D19
Not Connected
D20
Not Connected
D21
GND
D22
Not Connected
D23
Not Connected
D24
LGPL1/LFALE
D25
LGPL3/LFWP#
D26
Not Connected
D27
Not Connected
D28
DMA2_DREQ#
D29
Not Connected
D30
Not Connected
D31
GND
D32
Not Connected
D33
Not Connected
D34
DMA2_DACK#
D35
LBCTL
D36
Not Connected
D37
Not Connected
D38
GPI2
D39
IRQ6
D40
GPI0
D41
GND
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