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VIA Mobile360 M820 User Manual
9
The VIA Mobile360 M820 comes with a Micro SD card slot located on the front panel with support for a
maximum storage capacity of 32GB. The pinouts of the Micro SD card slot are shown below.
Pin
Signal
1
SD_DAT2
2
SD_DAT3
3
SD_CMD
4
VDD
5
SD_CLK
6
GND
7
SD_DAT0
8
SD_DAT1
9
SD_CD-
Figure 10: Micro SD card slot diagram
Table 06: SIM card slot pinouts
2.6
SIM Card Slot
The VIA Mobile360 M820 comes with an optional SIM card slot located on the front panel that supports 4G
SIM cards. SIM card usage on the VIA Mobile360 M820 requires that a 4G module is installed in the miniPCIe
slot, enabling the 4G functionality, otherwise the SIM card slot will be disabled. The SIM card slot is designed
for use with 4G modules that do not support built-in SIM card slots. The pinouts of the SIM card slot are shown
below.
Pin
Signal
1
VSIM_VCC
2
GND
3
VSIM_RST
4
VSIM_VCC
5
VSIM_CLK
6
VSIM_DATA
7
GND
8
NC
Figure 11: SIM card slot diagram
Table 07: SIM card slot pinouts