MicroSD Card Slot

The Rhino Pi IQ9N (Rhino Pi IQ9N) has 1 onboard T-Flash (MicroSD) card slot for storage expansion.

Hardware Specifications

For the position of the MicroSD card slot on the board, see the interface layout diagram in Rhino Pi IQ9N Interface Description on the first page.

Item	Parameter
Number of interfaces	1
Bus width	4 bits
Card specification	Supports SD3.0
High-speed mode	Supports SDR104
Level	Dual-level capable

Usage

1. Insert the MicroSD card following the direction indicated on the card slot.
2. After powering on, use the following command to confirm the device is recognized:

lsblk

If recognized successfully, you will see a block device such as mmcblk0 and its partitions.

View the mount status:

df -h

Notes

• Hot swapping is supported, but it is recommended to unmount the partition before removal to avoid data corruption:

sudo umount /dev/mmcblk0p1

• Use genuine storage cards that conform to the SD3.0 specification to obtain stable read/write performance.