REL 1.2
Page 17 of 82
i.MX6 Qseven PMIC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.5.2
Boot Media Setting Switch
i.MX6 Qseven PMIC SOM supports eight positions Boot Media Switch (SW1) which is physically located in the top of
the PCB. This switch is used to select the boot media of i.MX6 CPU if i.MX6 CPU boot mode is selected as Internal
Boot Mode. i.MX6 Qseven PMIC SOM supports different boot media options for booting i.MX6 CPU as mentioned in
the below table.
Boot Media Setting On
i.MX6 Qseven PMIC SOM
SW1 (8 Position Switch)
POS1 POS2 POS3 POS4 POS5 POS6 POS7 POS8
Image
eCSPI1 - SPI Flash
(Default)
ON
ON
OFF
X
X
X
X
X
SD4 - 8bit eMMC
OFF
ON
ON
ON
ON
OFF
ON
OFF
SD3 - 4bit Micro SD
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
SD1 - 4bit
(Through Qseven Edge)
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
SD1 - 8bit MMC
(Through Qseven Edge)
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
SATA - 3Gbps
(Through Qseven Edge)
OFF
ON
OFF
OFF
OFF
X
X
X
Note: Boot Media setting switch is not mounted in production SOMs by default.