USB (device, console): Holtek HT42B534-2 UART to USB (USB-C port)
Storage: M.2 2042 for NVMe SSD (PCIe gen 2 x1)
Buttons: 2x (reset + user)
Mechanical switch: 1x for boot selection (recovery, regular)
LEDs: 2x (PWM driven), 2x ETH Led (GPIO driven)
External hardware watchdog: EM Microelectronic EM6324 (GPIO driven)
RTC: NXP PCF8563TS (I2C) with battery backup holder(CR1220)
Power: USB-PD 12-25V on USB-C port (optional 802.3at/af PoE via RT5400 module)
Expansion slots: mikroBUS
Certification: FCC/EC/RoHS compliance
Case: PCB size is compatible to BPi-R4 and the case design can be re-used
JTAG for main SOC: 10-pin 1.27 mm pitch (ARM JTAG/SWD)
Antenna connectors: 3x MMCX for easy usage, assembly and durability
Schematics: these will be publicly available (license TBD)
GPL compliance: 3b. "Accompany it with a written offer ... to give any third
party ... a complete machine-readable copy of the corresponding source code"