Microsd Card Reader; Technical Specifications Of Microsd Card - Advantech ICR-4161 Hardware Manual

2. Hardware Functionality

2.8 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 8.

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 protrusion on the SIM card cover, as indicated in
the figure below. 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. For this task, you may utilize the protrusion on the SIM card
cover again.
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-4161 Hardware Manual
SDHC
SDXC
Table 8: Technical Specifications of MicroSD Card
Figure 17: MicroSD Card Insertion
SD, SDHC, SDXC
up to 32 GB
from 32 GB to 512 GB
vfat, ext2, ext3, ext4
Ext4 Filesystem Utilities
2.8 MicroSD Card Reader
router app.
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