If you had erased NAND flash, how to boot the system?
Answer: If the Nand Flash has been erased, user can boot the system through SD card. OMAP35x series chips can support booting x-loader from SD card. User can refer to Devkit8000 user manual to update image from SD card.
How to use USB OTG as Host or Device?
Answer: The USB OTG interface can be used as USB Host function with a Mini-A to Standard-A cable, or used as USB Device function with a Mini-B to Standard-A cable.
If using USB OTG interface as USB Host, please follow below steps: 1) Connect Hub power to USB Hub; 2) Connect USB OTG cable to Devkit8000 board; 3) Power on and get into system; 4) Plug in USB Hub to USB OTG through cable; 5) Insert USB mouse or keypad to USB Hub.
How to boot from SD card?
Answer:Press BOOT key and power on, the system will boot from SD card first and then boot from Nand flash.