v1.4.6

• Changed the DC power jack
• Changed the J7 CSI FFC connector into top-sided for better coverage of the matching accessories

v1.4

• Introduced an 8-layer PCB stackup for a better separation of PCIe lanes
• Rotated the M.2 connector by 180 degrees to keep it away from the on-board DC/DC
• Changed the stacking height of the M.2 connector
• Simplified the M.2 supporting circuitry
• Exposed the CSI-G and PCIE1 interfaces on the Jetson Xavier NX
• Updated FAN control circuitry
• Changed GPIO assignment for camera-triggering signals
• Optimized board cutout for the DisplayPort connector
• Fine-tuned selected footprints to improve the reliability of the reflow soldering
• Changed power sequencing of the on-board DC/DC converters
• Fixed TPD8S009 footprint
• Removed MicroSD card socket
• Updated USBC_VBUS control circuitry
• Added EEPROM for SN/ID storage

v1.3

• Added M.2 (key M) interface connector
• Added MicroSD card slot
• Updated RC timing circuit in power sequencer
• Updated DC/DC providing the 3V3_SYS on-board power supply
• Added triggering signals to the camera interface connectors

v1.2

• Updated the on-board SO-DIMM pinout and associated circuitry to match the Jetson Nano production module

v1.1

• Updated hotplug circuitry for USB-C and DisplayPort interfaces
• Updated bulk capacitances and pull-up resistors after bring-up of the initial prototype