This article has a talk page!This page details one or more prototype versions of Game Boy Advance BIOS.
A prototype BIOS was found on a prototype Game Boy Advance unit which was used for demoing games. There don't seem to be any major under-the-hood differences, however.
Main Differences#
- The intro jingle is different: the first part is lower-pitched and less echo-y, while the second part is more directly based on the original Game Boy chime.
- Holding Start + Select does not hide the Nintendo logo.
- No sound effect plays when data is being sent through the Link Cable.
- On the final BIOS, if no cartridge is inserted, the Nintendo logo will simply not be present. When using this BIOS, glitchy graphics will be displayed instead (in the final BIOS, this only happens when a dirty or broken game is inserted):
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Proto |
Final |
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