82 CR11*, CP11*, CT11* 6U CompactPCI® SBC
Publication No. HRMCR11 Rev. B.0
Connectors
standoff
10mm/ong
h<mboard
To wotuit a PMC board to the CR! 1, follow these steps:
I.
Remove CR! 1 from system housing
2.
Remove the front panel cover of the PC slot
3
.
Take PMC from inside through front panel and p
u
sh connectors togethe
r
.
4.
Verify correct installation of EMC gasket
5
.
Fix PMC
011
host boards with the four screws supplied with the PMC ca
r
d
.
TI1e screws must be locked with Loctite 243 when using the CR!
I
in a
mec
h
anical rough environment
.
PMC
EMC gasket
cross recessed pan head DJN7985
M2.5,6
A2
!
Figure 36: 1\Iount
Pl\IC
board to CRll
Note
:
The PCI specification d3.3 V with a margin of ±0.3 V
.
Some PMC
mezzanine modules way not ftuiction when the supply voltage is dose to the
lower margin of3.3 V -3 % (PICMG 2
.
0
).
Secondary Thermal Interface
On conduction
-
coo
l
ed versions of boards and mezzanines the PMC modules
may be equipped with optional Secondary Thermal Interface
s
.
If the PMCs do
not fit into their sockets on the CR! 1 base board then you can remove them.
Use a matc
h
ing TORX screw driver to rewove the Secodary TI1emial
Interfaces
.
For mounting use a torque of
0.
3 Nm to fix the screws or use
minimum force to tighten the
s
crews
.
Add only a short tum
(-1/16"'.)
when the
screw starts to get tight.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com