Change Boot Order Of Iot2050 - Siemens SIMATIC IOT Operating Instructions Manual

Software and commissioning
4.2 Install example image on eMMC
4.2.3.6

Change boot order of IOT2050

IOT2050 Advance and IOT2050 M.2 have internal eMMC which is automatically set as the
first boot device for FS:01, FS:02 and FS:04. Here
(https://support.industry.siemens.com/forum/ww/en/posts/overview-about-fs-states-of-
iot2050/273280/?page=0&pageSize=10) you can find more information on functional
state(FS).
Note
mmc1 refers to eMMC, mmc0 refers to the SD card, and usbx refers to the USB slots.
For example image V1.0.2 or V1.1.1
1. Open a serial Putty connection and log in as root.
2. To check the current boot order, type fw_printernv boot_targets
3. To change the boor order, type fw_setenv boot_targets [devices]
This is an example of having the external boot devices before the internal eMMC.
4. Type fw_printernv boot_targets to check the current boot order.
For example image V1.2.1
1. Open a serial Putty connection and log in as root.
2. To check the current boot order, type fw_printernv boot_targets
3. To change the boor order, type fw_setenv boot_targets ["devices"]
This is an example of having the external boot devices before the internal eMMC.
4. Type fw_printernv boot_targets to check the current boot order.
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Operating Instructions, 03/2024, A5E39456816-AF
SIMATIC IOT2050