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--- products:sbc:vim1:install-os:boot-into-upgrade-mode [2022/09/28 08:04]
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+++ products:sbc:vim1:install-os:boot-into-upgrade-mode [2024/12/15 22:40] (current)
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@@ Line 41: / Line 41: @@
   - Hit ''SPACE'' key at the moment of bootup to stop autoboot. This step will let VIM1 boot into U-Boot.
   - Type ''run update'' in the U-Boot terminal.
+<tabbox MRegister Mode>
+  - Connect VIM1 to PC via USB-C cable
+  - Use a tweezer to short-circuit the two pads of the M register, and without releasing it
+  - Short press the ''Reset'' key and release it to boot into upgrade mode
+{{:products:sbc:vim1:vim1-mregister-short-circuit.webp?600|}}
+<WRAP tip >
+The ''M'' register is located on the backside of your board.
+</WRAP>
 </tabbox>

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