Booting Essentials

This section of the product wiki contains guides to update and boot from different boot sources on the phyCORE-i.MX7 SOM.

• SD Card
• eMMC
• NAND
• NOR
• Network Boot
• Boot without Pressing the Power Button
• Copying Files to the Device
• Configuring the Bootloader

Boot Modes

The bootloader, one of the key software components included in the BSP, completes the required hardware initialization to run operating system images. The boot mode determines the location of the primary bootloader and is selected from the S1 dipswitch on the underside of the Carrier Board.

Warning

The Boot Switch S1 should only be modified with the i.MX7 completely powered off and disconnected from a power supply.

Boot Settings

SD	eMMC	NAND	QSPI NOR Flash

Advanced Boot Configurations

Boot Mode	Jumper Position	Jumper Setting	Signal Setting
SD/MMC	J8	1+2 (Default) 2+3	Select to boot via normal speed SD/MMC Select to boot via high speed SD/MMC
NAND	J21	1+2 2+3 (Default)	Select 128 pages per block when booting from NAND Select 64 pages in block when booting from NAND