Aplex Technology ARCHMI-707 - Manual (Page 21)

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Step 4.
There is a SD hole in the side of
machine. You can replace SD card
from there.
1.6 Installation of HDD (ARCHMI-712/715(P))
Step 1
There are 2 screws to deal with when
enclosing or removing the chassis.
Gently remove 2 screws.
Step 2
You can put or remove HDD into the
machine by pulling the HDD bracket.