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{{About|the software that loads [[MIOS]]|the [[vWii]] titles known as BC|Apploader}}

{{About|the software that loads [[MIOS]]|the [[vWii]] titles known as BC}}

'''BC''' (short for Backwards Compatibility) is a bootloader similar to [[boot1]]. It is responsible for lowering the [[Hardware/Broadway|Broadway]]'s clock speed, then verifying and loading [[boot2]], which will load [[MIOS]] after it detects the lowered clock speed. It is run when a GameCube game is launched from the [[Disc Channel]]. It is unknown why Nintendo did not simply place all of the GameCube compatibility code in MIOS, although the similarity to boot1 may indicate that this was because GameCube mode would originally be launched by [[boot0]], and there was not enough time to update MIOS when it was decided that GameCube mode would be launched from the [[System Menu]].

'''BC''' (short for Backwards Compatibility) is a bootloader similar to [[boot1]]. It is responsible for lowering the [[Hardware/Broadway|Broadway]]'s clock speed, then verifying and loading [[boot2]], which will load [[MIOS]] after it detects the lowered clock speed. It is run when a GameCube game is launched from the [[Disc Channel]]. It is unknown why Nintendo did not simply place all of the GameCube compatibility code in MIOS, although the similarity to boot1 may indicate that this was because GameCube mode would originally be launched by [[boot0]], and there was not enough time to update MIOS when it was decided that GameCube mode would be launched from the [[System Menu]].