Power system docs: Banggood order details
revise: by-the-book Rockchip user-area boot approach (fixes bootloader)
fix: /boot rsync missing due to -x flag, and idbloader dd offset wrong (skip=64)
fix: /boot rsync missing due to -x flag, and idbloader dd offset wrong (skip=64)
docs: eMMC multi-boot guide — 3-OS partition layout + Step 1