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{{AppliesToNaonFamily}}
{{Applies To BoraX}}
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==Introduction==
If you plan to use the holes as additional retention system, we recommend to pay attention to the mechanical characteristics when evaluating the SO-DIMM mating connectors to be mounted on the carrier board.
== Power-up sequence ==
In order to prevent back powering effects, DAVE Embedded Systems' SOMs provide the signals required to handle power-up sequence properly. For instance, see the recommended sequence for the Bora SOM [[Power_(Bora)|here]].
In case the power-up sequence is not managed properly, the circuitry populating the SOM '''may be damaged'''.
== Interfaces Guidelines ==
=== Ethernet 10/100/1000 ===
====Case #1: PHY is integrated on SOM====
This section refers to the case of PHY integrated on SOM such as [[:Category:Lizard SOM|Lizard]] and [[:Category:Maya SOM|MayaMAYA]].
===== Schematics =====
* If LAN connector with integrated magnetic is used:
