Microsd Card Reader; Microsd Card; Technical Specifications Of Microsd Card - Advantech SmartFlex SR304 Hardware Manual

3. Router Design

3.9.5 MicroSD card reader

The microSD card reader is located on the router's rear panel (the third slot). This card reader allows the
router to operate with microSD memory cards. The technical specifications are stated in the table below.
The microSD card changing procedure is described below.

Technical specifications of microSD card

Supported technologies
Supported capacity
Supported microSD card filesystems
Changing the microSD card:
• To remove the microSD card, use the flat end of a spudger, or your fingernail, press the microSD
card slightly into its slot until you hear a click.
• After hearing this click, release the card, and it will pop out of its slot.
• Remove the microSD card and push any other microSD card into the slot until it clicks into
place.
Mounting microSD Card to the System
It is necessary to mount the microSD card to be able to access it in the system of the router. Follow these
steps to mount the card:
• Use the dmesg command to see the list of recently connected devices.
• In the output of the command find out the entry for the microSD card, for example:
mmcblk0: p1
• To mount the card to to 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, see the application note for
SmartFlex SR304 Hardware Manual
SDHC
SDXC
Table 12: Technical specifications of microSD card
Figure 32: MicroSD card
Ext4_tools
3.9 Description of the front panel
SDHC, SDXC
up to 32 GB
from 32 GB to 64 GB
vfat, ext2, ext3, ext4
router app.
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