Embedian, Inc.
106
SMARC-iMX8MM Computer on Module User’s Manual
v. 1.2
Hole
Reference
Description
Size
A
SMARC
Module
corner
mounting
holes
Spacing
determined
by
SMARC
specification
for
82mm
x
50mm
Modules.
Typically
these
holes
have
3mm
length
press
fit
or
swaged
clearance
standoffs
on
the
Module
side.
These
holes
are
typically
countersunk
on
the
far
side
of
the
plate,
to
allow
the
heat
spreader
plate
to
be
flush
with
a
secondary
heat
sink.
Hole
size
depends
on
standoffs
used.
Standoff
diameter
must
be
compatible
with
SMARC
Module
mounting
hole
pad
and
hole
size
(6.0mm
pads,
2.7mm
holes
on
the
Module).
The
holes
and
standoffs
are
for
use
with
M2.5
screw
hardware.
The
far
side
of
these
holes
are
counter
‐
sunk
to
allow
the
attachment
screw
to
be
flush
with
the
far
side
heat
spreader
surface.
B
Not
Defined
C
Fixed
location
holes
to
allow
the
attachment
of
a
heat
sink
to
the
heat
spreader,
or
to
allow
the
heat
spreader
to
be
secured
to
a
chassis
wall
that
can
serve
as
a
heat
sink.
M3
threaded
holes
