Microsd Card Reader; Technical Specifications Of Microsd Card - Advantech ICR-4453 Hardware Manual

2. Hardware Functionality

2.11 MicroSD Card Reader

The microSD card reader is located under the SIM cover on the router. This card reader enables the
router to utilize microSD memory cards. The technical specifications are presented in Table 15.

Technical specifications of microSD card

Supported technologies
Supported capacity
Supported microSD card filesystems
Inserting the microSD card:
• To remove an inserted microSD card, use the flat end of a spudger, or your fingernail, and press
the card slightly into its slot until you hear a click. Release the card, and it will pop out of its slot.
• To insert a microSD card, push the card into the slot with the correct orientation as shown in the
picture until it clicks into place.
Mounting microSD Card to the System
To access the microSD card within the router's system, it must be mounted. Follow these steps to mount
the card:
• Use the dmesg command to view the list of recently connected devices.
• Identify the entry for the microSD card in the command's output, for example:
mmcblk0: p1
• To mount the card to the mnt directory, use the mount command:
mount /dev/mmcblk0p1 /mnt
For more information about the commands for creating, mounting, checking, and unmounting a file system
on a microSD card, refer to the application note for the
ICR-4453 Hardware Manual
SDHC
SDXC
Table 15: Technical Specifications of MicroSD Card
Figure 23: MicroSD Card Insertion
SD, SDHC, SDXC
up to 32 GB
from 32 GB to 512 GB
vfat, ext2, ext3, ext4
Ext4 Filesystem Utilities
2.11 MicroSD Card Reader
router app.
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