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- 7 -
Connectors Quick Reference
Bottom Side
Top Side
COM Express AB Connector (bottom side)
COM Express AB Connector
COM Express CD Connector
B1
GND (FIXED)
B2
GBE0_ACT#
B3
LPC_FRAME#
B4
LPC_AD0
B5
LPC_AD1
B6
LPC_AD2
B7
LPC_AD3
B8
LPC_DRQ0#
B9
LPC_DRQ1#
B10
LPC_CLK
B11
GND (FIXED)
B12
PWRBTN#
B13
SMB_CK
B14
SMB_DAT
B15
SMB_ALERT#
B16
S
B17
SATA1_TX-
B18
SUS_STAT#
B19
S
B20
SATA1_RX-
B21
GND (FIXED)
B22
S
B23
SATA3_TX-
B24
PWR_OK
B25
S
B26
SATA3_RX-
B27
WDT
B28
N/C
B29
AC_SDIN1
B30
AC_SDIN0
B31
GND
B32
SPKR
B33
I2C_CK
B34
I2C_DAT
B35
THRM#
B36
USB7-
B37
USB7+
B38
USB_4_5_OC#
B39
USB5-
B40
USB5+
B41
GND
B42
USB3-
B43
USB3+
B44
USB_0_1_OC#
B45
USB1-
B46
USB1+
B47
EXCD1_PERST#
B48
EXCD1_CPPE#
B49
SYS_RESET#
B50
CB_RESET#
B51
GND
B52
PC
B53
PCIE_RX10-
B54
DIO_5
B55
P
GND (FIXED)
A1
GBE0_MDI3-
A2
GB
A3
GBE0_LINK100#
A4
GBE0_LINK1000#
A5
GBE0_MDI2-
A6
GB
A7
GBE0_LINK#
A8
GBE0_MDI1-
A9
GB
A10
GND (FIXED)
A11
GBE0_MDI0-
A12
GB
A13
GBE0_CTREF
A14
SUS_S3#
A15
S
A16
SATA0_TX-
A17
SUS_S4#
A18
S
A19
SATA0_RX-
A20
GND (FIXED)
A21
S
A22
SATA2_TX-
A23
SUS_S5#
A24
S
A25
SATA2_RX-
A26
BATLOW#
A27
SATA_ACT#
A28
AC_SYNC
A29
AC_RST#
A30
GND
A31
AC_BITCLK
A32
AC_SDOUT
A33
BIOS_DISABLE0#
A34
THRMTRIP#
A35
USB6-
A36
USB6+
A37
USB_6_7_OC#
A38
USB4-
A39
USB4+
A40
GND
A41
USB2-
A42
USB2+
A43
USB_2_3_OC#
A44
USB0-
A45
USB0+
A46
VCC_RTC
A47
EXCD0_PERST#
A48
EXCD0_CPPE#
A49
LPC_SERIRQ
A50
GND
A51
P
A52
PCIE_TX5-
A53
DIO_0
A54
P
A55
B56
PCIE_RX9-
B57
DIO_6
B58
P
B59
PCIE_RX4-
B60
GND
B61
P
B62
PCIE_RX3-
B63
DIO_7
B64
P
B65
PCIE_RX2-
B66
PCH_WAKE0#
B67
EC_WAKE1#
B68
P
B69
PCIE_RX1-
B70
GND
B71
B72
LVDS_B0-
B73
B74
LVDS_B1-
B75
B76
LVDS_B2-
B77
B78
LVDS_B3-
B79
LVDS_BKLT_EN
B80
GND
B81
LV
B82
LVDS_B_CK-
B83
LVDS_BKLT_CTRL
B84
VCC_5V_SBY
B85
VCC_5V_SBY
B86
VCC_5V_SBY
B87
VCC_5V_SBY
B88
BIOS_DISABLE1#
B89
N/C
B90
GND
B91
N/C
B92
N/C
B93
N/C
B94
N/C
B95
N/C
B96
N/C
B97
SPI_CS#
B98
N/C
B99
N/C
B100
GND
B101
FAN_PWMOUT
B102
FAN_TACHIN
B103
SLEEP#
B104
VCC_12V
B105
VCC_12V
B106
VCC_12V
B107
VCC_12V
B108
VCC_12V
B109
VCC_12V
B110
GND
PCIE_TX9-
A56
GND
A57
P
A58
PCIE_TX4-
A59
GND
A60
P
A61
PCIE_TX3-
A62
GPI1
A63
P
A64
PCIE_TX2-
A65
GND
A66
GPI2
A67
P
A68
PCIE_TX1-
A69
GND
A70
A71
LVDS_A0-
A72
A73
LVDS_A1-
A74
A75
LVDS_A2-
A76
LVDS_VDD_EN
A77
A78
LVDS_A3-
A79
GND
A80
LV
A81
LVDS_A_CK-
A82
LVDS_I2C_CK
A83
LVDS_I2C_DAT
A84
DIO_3
A85
RSVD
A86
RSVD
A87
P
A88
PCIE_CLK-
A89
GND
A90
SPI_POWER
A91
SPI_MISO
A92
GPO0
A93
SPI_CLK
A94
SPI_MOSI
A95
TPM_PP
A96
N/C
A97
UART_TX0
A98
UART_RX0
A99
GND
A100
UART_TX1
A101
UART_RX1
A102
LID#
A103
VCC_12V
A104
VCC_12V
A105
VCC_12V
A106
VCC_12V
A107
VCC_12V
A108
VCC_12V
A109
GND
A110
SO-DIMM
Sockets
COM Express
Connectors
