Technical data

Controls, LEDs, and Connectors
COMX-CAR-610 COM Express Carrier Board Installation and Use (6806800K26D)
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3.2 COM Express Board-to-Board Connector
This section details the pin assignments on the COM Express connector based on the Type 6
Specification.
Table 3-1 COM Express Connector Pin Definition
Row A B C D
1 GND(FIXED) GND (FIXED) GND (FIXED) GND (FIXED)
2 GBE0_MDI3- GBE0_ACT# GND GND
3 GBE0_MDI3+ LPC_FRAME# USB0_SSRX- USB0_SSTX-
4 GBE0_LINK100# LPC_AD0 USB0_SSRX+ USB0_SSTX+
5 GBE0_LINK1000# LPC_AD1 GND GND
6 GBE0_MDI2- LPC_AD2 USB1_SSRX- USB1_SSTX-
7 GBE0_MDI2+ LPC_AD3 USB1_SSRX+ USB1_SSTX+
8 GBE0_LINK# LPC_DRQ0# GND GND
9 GBE0_MDI1- LPC_DRQ1# USB2_SSRX- USB2_SSTX-
10 GBE0_MDI1+ LPC_CLK USB2_SSRX+ USB2_SSTX+
11 GND(FIXED) GND(FIXED) GND(FIXED) GND(FIXED)
12 GBE0_MDI0- PWRBTN# USB3_SSSRX- USB3_SSTX-
13 GBE0_MDI0+ SMB_CK USB3_SSRX+ USB3_SSTX+
14 GBE0_CTREF SMB_DAT GND GND
15 SUS_S3# SMB_ALERT# DDI1_PAIR6+ DDI1_AUX+
16 SATA0_TX+ SATA1_TX+ DDI1_PAIR6- DDI1_AUX-
17 SATA0_TX- SATA1_TX- RSVD RSVD
18 SUS_S4# SUS_STAT# RSVD RSVD
19 SATA0_RX+ SATA1_RX+ PCIE_RX6+ PCIE_TX6+
20 SATA0_RX- SATA1_RX- PCIE_RX6- PCIE_TX6-
21 GND(FIXED) GND(FIXED) GND(FIXED) GND(FIXED)
22 SATA2_TX+ SATA3_TX+ PCIE_RX7+ PCIE_TX7+
23 SATA2_TX- SATA3_TX- PCIE_RX7- PCIE_TX7-