uSDcard

Introduction

Micro SD, short for Micro Secure Digital, is a small storage card that is a variant of the Secure Digital (SD) card. It was developed and launched by the SD Association to provide expandable storage solutions for portable devices.

The Raspberry Pi Compute Module 4 IO Board includes a uSD card slot that supports the following two functions.

Usage Instructions

As a boot medium

Radxa CM3J + Raspberry Pi Compute Module 4 IO Board supports booting the system from an SD card.

For detailed steps, refer to Install the System to Boot from SD Card.

As a storage medium

When the SD card is not used as a boot medium, it can be used as extended storage.

tip

Note: The uSD card slot on the Raspberry Pi Compute Module 4 IO Board does not support hot-swapping.