Kontron SMARC Evaluation Carrier Bedienungsanleitung PDF herunterladen (Seite 30)

User’s Guide

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Jumpers

7.1

Jumper J34 - LID#

J34 is used to simulate LID-open and LID-closed condition, for test and development.

Jumper

Position

Function

J34

Inserted

Simulates LID closed condition

Not inserted

Simulates LID open condition

7.2

Jumper J35 – TEST#

J35 is used for Module specific test purposes. In normal operation, this jumper should be open.

Jumper

Position

Function

J35

Inserted

Module specific test – check Module documentation

Not inserted

Normal operation

7.3

Jumpers J37, J38 and J39 – Boot Select

J37, J38 and J39 are used to select the boot device. The following table is transcribed form the SMARC Module

specification. Some Modules may not support all options; refer to the Module documentation. The meaning of “boot”

may vary as well – check the Module documentation.

J39

J38

J37

Boot Device

Inserted

Carrier SATA

Inserted

Not inserted

Carrier SD Card

Inserted

Not inserted

Inserted

Carrier eMMC Flash

Inserted

Not inserted

Carrier SPI

Not inserted

Inserted

Module device (NAND, NOR) – vendor specific

Not inserted

Inserted

Not inserted

Remote boot (GBE, serial) – vendor specific

Not inserted

Inserted

Module eMMC Flash

Not inserted

Module SPI

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