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Change History

Rev A0

Initial prototype revision. Not taken to production. eMMC flash image provided by Embest.

Rev A1

Second round prototype.

• Fixed size of mounting holes.

• Added LED for WiFi status.

• Added microHDMI.

• Changed eMMC voltage from 3.3V to 1.8V to support HS200.

• Changed eMMC from 4GB to 16GB.

• Changed serial debug header from 6-pin 100mil pitch to 3-pin 1.5mm pitch.

• Switched expansion header from UART4 to UART5. The UART4 pins were used for the microHDMI.

eMMC flash image provided by Embest.

Rev A1a

Alpha pilot-run units and initial production.

• Added pull-down resistor on serial debug header RX line.

Alpha pilot-run eMMC flash image: https://debian.beagleboard.org/images/bbai-pilot-20190408.img.xz

Production eMMC flash image: http://debian.beagleboard.org/images/am57xx-eMMC-flasher-debian-9.9-lxqt-armhf-2019-08-03-4gb.img.xz

Rev A2

Proposed changes.

• HW: need pull-down on console uart RX line.

• HW: position of microSD may impact existing case designs.

• HW: P9.13 does not have a GPIO.

• HW: HDMI hotplug detection not working.

• HW: add extra DCAN.

• HW: wire mods required to enable JTAG.

• HW: Small I2C nvmem/eeprom for board identifier.