8.32. Boot Selection Jumpers (J28, J32, J33) And Other Jumpers; Table 22: Boot Selection Jumpers; Table 23: Display Power Select Jumper (J4); Table 24: Backlight Power Select Jumper (J23) - Kontron SMARC Eval-Carrier-2 User Manual

8.32. Boot Selection Jumpers (J28, J32, J33) and other Jumpers

There are three Jumpers for Boot Select according to the SMARC 2.0 specification.

Figure 47: Jumpers for Boot Select

Table 22: Boot Selection Jumpers

BOOT_SEL2#
1
GND
2 GND
3 GND
4 GND
5 Float
6 Float
7 Float

Table 23: Display Power Select Jumper (J4)

Jumper Position Function description
1-2
LVDS panel power (
2-3 (Default)
LVDS panel power (

Table 24: Backlight Power Select Jumper (J23)

Jumper Position Function description
1-2 Backlight power (V_BKLT) is 5.0V
2-3 (Default) Backlight power (V_BKLT) is 12V

Table 25: LID Jumper (J34)

Jumper Position Function description
Open (Default) LID Inactive
Close
LID Active
Carrier Connection
BOOT_SEL1# BOOT_SEL0#
GND GND
GND Float
Float GND
Float Float
GND GND
GND Float
Float GND
V_5V0_3V3_S0
pins 28-30) is 5.0V
V_5V0_3V3_S0 pins 28-30) is 3.3V
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SMARC Eval-Carrier-2 – . Rev. 1.1
Boot Source
Carrier SATA
Carrier SD Card
Carrier eSPI (ESPI_CS0#)
Carrier SPI (SPI0_CS0#)
Module device (NAND, NOR) –
vendor specific
Remote boot (GBE, serial) –
vendor specific
Module eMMC Flash
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