Check the Jetson TX1 and Jetson TX2 Comparison and Migration Application Note which
provides the differences in USB 3.0, PCIe & SATA lane mapping between Jetson TX1 & Jetson
TX2/TX2i and provides a table of configurations supported by all three modules.
1. PCIe interface #2 can be brought to the PEX1 pins, or USB 3.0 port #1 to the USB_SS0 pins on Jetson TX2/TX2i depending
on the setting of a multiplexor on the module. The selection is controlled by QSPI_IO2 configured as a GPIO.
2. Jetson TX2/TX2i has been designed to enable use cases listed in the table above. However, released Software may not
support all configurations, nor has every configura tion been validated.
o Configuration #1 & 2 represent the supported and validated Jetson TX2/TX2i Developer Kit configurations. These
configurations are supported by the released Software, and the PCIe, USB 3.0, and SATA interfaces have been
verified on the carrier board.
3. The cell colors highlight the different PCIe interfaces and USB 3.0 ports. Light and Medium green are used for PCIe
controllers #0 and #1. Four shades of blue are used for USB 3.0 controllers #[0:3]. SATA is highlighted in orange.
4. Any x4 configuration can be used as a single x2 using only lanes 0 & 1 or a single x1 using only lane 0. Any x2
configuration can be used as a single x1 using only lane 0.
5. In order to ease routing, the order of lanes for PCIe #0 can either be as shown above, or the reverse (I.e., PCIE#0_3 on
lane 4, PCIE#0_2 on lane 3, etc.).
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