Difference between revisions of "Bootloader"

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The 3DS' Boot procedure:
 
The 3DS' Boot procedure:
  
* 0 Seconds - unit is powered on bootloader begins
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* 0 Seconds - unit is powered on bootrom begins execution
  
* 2 Seconds - bootloader attempts to initialize the NAND. If the NAND is successfully initialized, it takes over booting the 3DS. If the NAND, cannot be initialized (i.e. the NAND chip is not connected/damaged etc) a blue error screen similar to the screen above appears.
+
* 2 Seconds - bootrom attempts to initialize the NAND. If the NAND is successfully initialized, the bootrom launches the firmware loaded from the NAND [[FIRM]] partition which handles booting the rest of the system. If the NAND cannot be initialized, (i.e. the NAND chip is not connected/damaged etc) a blue error screen similar to the screen above appears.
  
 
* 3 Seconds - all essential hardware is active - [[NS]] loads the [[Shared_Registers#REG_ACTIVEMENUTID|current active menu]], for retail units this is usually the [[Home Menu]].
 
* 3 Seconds - all essential hardware is active - [[NS]] loads the [[Shared_Registers#REG_ACTIVEMENUTID|current active menu]], for retail units this is usually the [[Home Menu]].

Revision as of 16:33, 22 September 2012

When the 3DS does not find the NAND chip, the following error is displayed:

CTR Bootrom Error.jpg

The 3DS' Boot procedure:

  • 0 Seconds - unit is powered on bootrom begins execution
  • 2 Seconds - bootrom attempts to initialize the NAND. If the NAND is successfully initialized, the bootrom launches the firmware loaded from the NAND FIRM partition which handles booting the rest of the system. If the NAND cannot be initialized, (i.e. the NAND chip is not connected/damaged etc) a blue error screen similar to the screen above appears.
  • 4 Seconds - the LCD screens are initialized
  • 7 Seconds - Home Menu is fully initialized/loaded