Pinout Summary

Edge Connector supported singals

The below table is a comprehensible list of
all signal pins on the MXM 3 connector in the standard specification SMARC 2.1.

Those signals not supported on LEC-PX30 are strikethrough STRIKETHROUGH

1566748596672

P-Pin Primary (Top) Side S-Pin Secondary (Bottom) Side
S1 CSI1_TX+ / I2C_CAM1_CK
P1 SMB_ALERT_1V8# S2 CSI1_TX- / I2C_CAM1_DAT
P2 GND S3 GND
P3 CSI1_CK+ S4 RSVD
P4 CSI1_CK- S5 CSI0_TX- / I2C_CAM0_CK
P5 GBE1_SDP S6 CAM_MCK
P6 GBE0_SDP S7 CSI0_TX+ / I2C_CAM0_DAT
P7 CSI1_RX0+ S8 CSI0_CK+
P8 CSI1_RX0- S9 CSI0_CK-
P9 GND S10 GND
P10 CSI1_RX1+ S11 CSI0_RX0+
P11 CSI1_RX1- S12 CSI0_RX0-
P12 GND S13 GND
P13 CSI1_RX2+ S14 CSI0_RX1+
P14 CSI1_RX2- S15 CSI0_RX1-
P15 GND S16 GND
P16 CSI1_RX3+ S17 GBE1_MDI0+
P17 CSI1_RX3- S18 GBE1_MDI0-
P18 GND S19 GBE1_LINK100#
P19 GBE0_MDI3- S20 GBE1_MDI1+
P20 GBE0_MDI3+ S21 GBE1_MDI1-
P21 GBE0_LINK100# S22 GBE1_LINK1000#
P22 GBE0_LINK1000# S23 GBE1_MDI2+
P23 GBE0_MDI2- S24 GBE1_MDI2-
P24 GBE0_MDI2+ S25 GND
P25 GBE0_LINK_ACT# S26 GBE1_MDI3+
P26 GBE0_MDI1- S27 GBE1_MDI3-
P27 GBE0_MDI1+ S28 GBE1_CTREF
P28 GBE0_CTREF S29 PCIE_D_TX+ / SERDES_1_TX+
P29 GBE0_MDI0- S30 PCIE_D_TX- / SERDES_1_TX-
P30 GBE0_MDI0+ S31 GBE1_LINK_ACT#
P31 SPI0_CS1# S32 PCIE_D_RX+ / SERDES_1_RX+
P32 GND S33 PCIE_D_RX- / SERDES_1_RX-
P33 SDIO_WP S34 GND
P34 SDIO_CMD S35 USB4+
P35 SDIO_CD# S36 USB4-
P36 SDIO_CK S37 USB3_VBUS_DET
P37 SDIO_PWR_EN S38 AUDIO_MCK
P38 GND S39 I2S0_LRCK
P39 SDIO_D0 S40 I2S0_SDOUT
P40 SDIO_D1 S41 I2S0_SDIN
P41 SDIO_D2 S42 I2S0_CK
P42 SDIO_D3 S43 ESPI_ALERT0#
P43 SPI0_CS0# S44 ESPI_ALERT1#
P44 SPI0_CK S45 MDIO_CLK
P45 SPI0_DIN S46 MDIO_DAT
P46 SPI0_DO S47 GND
P47 GND S48 I2C_GP_CK
P48 SATA_TX+ S49 I2C_GP_DAT
P49 SATA_TX- S50 HDA_SYNC / I2S2_LRCK
P50 GND S51 HDA_SDO / I2S2_SDOUT
P51 SATA_RX+ S52 HDA_SDI / I2S2_SDIN
P52 SATA_RX- S53 HDA_CK / I2S2_CK
P53 GND S54 SATA_ACT#
P54 ESPI_CS0# / SPI1_CS0# S55 USB5_EN_OC#
P55 ESPI_CS1# / SPI1_CS1# S56 ESPI_IO_2
P56 ESPI_CK / SPI1_CK S57 ESPI_IO_3
P57 ESPI_IO_1 / SPI1_DIN S58 ESPI_RESET#
P58 ESPI_IO_0 / SPI1_DO S59 USB5+
P59 GND S60 USB5-
P60 USB0+ S61 GND
P61 USB0- S62 USB3_SSTX+
P62 USB0_EN_OC# S63 USB3_SSTX-
P63 USB0_VBUS_DET S64 GND
P64 USB0_OTG_ID S65 USB3_SSRX+
P65 USB1+ S66 USB3_SSRX-
P66 USB1- S67 GND
P67 USB1_EN_OC# S68 USB3+
P68 GND S69 USB3-
P69 USB2+ S70 GND
P70 USB2- S71 USB2_SSTX+
P71 USB2_EN_OC# S72 USB2_SSTX-
P72 RSVD S73 GND
P73 RSVD S74 USB2_SSRX+
P74 USB3_EN_OC# S75 USB2_SSRX-
Key Key
P75 PCIE_A_RST# S76 PCIE_B_RST#
P76 USB4_EN_OC# S77 PCIE_C_RST#
P77 PCIE_B_CKREQ# S78 PCIE_C_RX+ / SERDES_2_RX+
P78 PCIE_A_CKREQ# S79 PCIE_C_RX- / SERDES_2_RX-
P79 GND S80 GND
P80 PCIE_C_REFCK+ S81 PCIE_C_TX+ / SERDES_2_TX+
P81 PCIE_C_REFCK- S82 PCIE_C_TX- / SERDES_2_TX-
P82 GND S83 GND
P83 PCIE_A_REFCK+ S84 PCIE_B_REFCK+
P84 PCIE_A_REFCK- S85 PCIE_B_REFCK-
P85 GND S86 GND
P86 PCIE_A_RX+ S87 PCIE_B_RX+
P87 PCIE_A_RX- S88 PCIE_B_RX-
P88 GND S89 GND
P89 PCIE_A_TX+ S90 PCIE_B_TX+
P90 PCIE_A_TX- S91 PCIE_B_TX-
P91 GND S92 GND
P92 HDMI_D2+ / DP1_LANE0+ S93 DP0_LANE0+
P93 HDMI_D2- / DP1_LANE0- S94 DP0_LANE0-
P94 GND S95 DP0_AUX_SEL
P95 HDMI_D1+ / DP1_LANE1+ S96 DP0_LANE1+
P96 HDMI_D1- / DP1_LANE1- S97 DP0_LANE1-
P97 GND S98 DP0_HPD
P98 HDMI_D0+ / DP1_LANE2+ S99 DP0_LANE2+
P99 HDMI_D0- / DP1_LANE2- S100 DP0_LANE2-
P100 GND S101 GND
P101 HDMI_CK+ / DP1_LANE3+ S102 DP0_LANE3+
P102 HDMI_CK- / DP1_LANE3- S103 DP0_LANE3-
P103 GND S104 USB3_OTG_ID
P104 HDMI_HPD / DP1_HPD S105 DP0_AUX+
P105 HDMI_CTRL_CK / DP1_AUX+ S106 DP0_AUX-
P106 HDMI_CTRL_DAT / DP1_AUX- S107 LCD1_BKLT_EN
P107 DP1_AUX_SEL S108 LVDS1_CK+ / eDP1_AUX+ / DSI1_CLK+
P108 GPIO0 / CAM0_PWR# S109 LVDS1_CK- / eDP1_AUX- / DSI1_CLK-
P109 GPIO1 / CAM1_PWR# S110 GND
P110 GPIO2 / CAM0_RST# S111 LVDS1_0+ / eDP1_TX0+ / DSI1_D0+
P111 GPIO3 / CAM1_RST# S112 LVDS1_0- / eDP1_TX0- / DSI1_D0-
P112 GPIO4 / HDA_RST# S113 eDP1_HPD / DSI1_TE
P113 GPIO5 / PWM_OUT S114 LVDS1_1+ / eDP1_TX1+ / DSI1_D1+
P114 GPIO6 / TACHIN S115 LVDS1_1- / eDP1_TX1- / DSI1_D1-
P115 GPIO7 S116 LCD1_VDD_EN
P116 GPIO8 S117 LVDS1_2+ / eDP1_TX2+ / DSI1_D2+
P117 GPIO9 S118 LVDS1_2- / eDP1_TX2- / DSI1_D2-
P118 GPIO10 S119 GND
P119 GPIO11 S120 LVDS1_3+ / eDP1_TX3+ / DSI1_D3+
P120 GND S121 LVDS1_3- / eDP1_TX3- / DSI1_D3-
P121 I2C_PM_CK S122 LCD1_BKLT_PWM
P122 I2C_PM_DAT S123 GPIO13
P123 BOOT_SEL0# S124 GND
P124 BOOT_SEL1# S125 LVDS0_0+ / eDP0_TX0+ / DSI0_D0+
P125 BOOT_SEL2# S126 LVDS0_0- / eDP0_TX0- / DSI0_D0-
P126 RESET_OUT# S127 LCD0_BKLT_EN
P127 RESET_IN# S128 LVDS0_1+ / eDP0_TX1+ / DSI0_D1+
P128 POWER_BTN# S129 LVDS0_1- / eDP0_TX1- / DSI0_D1-
P129 SER0_TX S130 GND
P130 SER0_RX S131 LVDS0_2+/ eDP0_TX2+ / DSI0_D2+
P131 SER0_RTS# S132 LVDS0_2- / eDP0_TX2- / DSI0_D2-
P132 SER0_CTS# S133 LCD0_VDD_EN
P133 GND S134 LVDS0_CK+/eDP0_AUX/ DSI0_CLK+
P134 SER1_TX S135 LVDS0_CK-/eDP0_AUX-/ DSI0_CLK-
P135 SER1_RX S136 GND
P136 SER2_TX S137 LVDS0_3+ / eDP0_TX3+ / DSI0_D3+
P137 SER2_RX S138 LVDS0_3- / eDP0_TX3- / DSI0_D3-
P138 SER2_RTS# S139 I2C_LCD_CK
P139 SER2_CTS# S140 I2C_LCD_DAT
P140 SER3_TX S141 LCD0_BKLT_PWM
P141 SER3_RX S142 GPIO12
P142 GND S143 GND
P143 CAN0_TX S144 eDP0_HPD / DSI0_TE
P144 CAN0_RX S145 WDT_TIME_OUT#
P145 CAN1_TX S146 PCIE_WAKE#
P146 CAN1_RX S147 VDD_RTC
P147 VDD_IN S148 LID#
P148 VDD_IN S149 SLEEP#
P149 VDD_IN S150 VIN_PWR_BAD#
P150 VDD_IN S151 CHARGING#
P151 VDD_IN S152 CHARGER_PRSNT#
P152 VDD_IN S153 CARRIER_STBY#
P153 VDD_IN S154 CARRIER_PWR_ON
P154 VDD_IN S155 FORCE_RECOV#
P155 VDD_IN S156 BATLOW#
P156 VDD_IN S157 TEST#
S158 GND