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EMMC Flash Storage

The Walnut Pi 2B is available with an optional EMMC flash storage version, with a default capacity of 32GB. It offers significantly faster transfer speeds compared to an SD card. It can be used to install the Walnut Pi system or as a storage drive.

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EMMC as a System Boot Drive​

Burn the Walnut Pi OS to EMMC and boot from it. Refer to: EMMC Image Burning Method

EMMC as a Storage Drive​

When the Walnut Pi 2B boots from an SD card, the EMMC can be configured as a storage drive, giving you a drive with approximately 32GB of capacity.

The Walnut Pi system includes a quick configuration command:

sudo set-emmc to_disk
Warning

This command configures the EMMC as a storage drive. It will format the EMMC and erase all content. Please back up any important files beforehand.

After running the command, a confirmation prompt will appear. Press "y" to continue:

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A successful configuration will appear as shown below:

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You will see a ~32GB drive appear on the desktop.

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Double-click to mount and use it. When the authentication prompt appears, enter the system password, i.e., pi.

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EMMC Formatting​

Quick format (recommended):

sudo set-emmc erase-quick

Full format (will be very slow):

sudo set-emmc erase-overwrite