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SWiiMM- Solving Wii Maintenance Mode

Posted by Dr.MarioX 
SWiiMM- Solving Wii Maintenance Mode
December 29, 2010 08:15PM
Does anyone know exactly what the Wii's Maintenance Mode does? I'm actually researching it and trying to discover if we can find any neat use for it. I've taken some notes on what I've observed from using Maintenance Mode:

-It has a very simple start-up (Hold down the Plus and Minus buttons on the opening boot screen)
-It starts the System Menu with a user-friendly notice (Your Wii is operating in Maintenance Mode)
-All possible online communications have been blocked as well as the Wii Message Board completely
-All Regular Wii channels are missing parts of their channel banners/animations on the System Menu
-The Mario Kart channel displays Japanese letters and the Karts will not move, but freeze once in position
-Even if you've updated your Wii to have the SD Card Menu, it does not appear
-The Mii Channel and the Disc Channel both seem to be unaffected
-This mode does not respond to control sticks and the control pad on the Classic Controller, but responds fine to the other buttons
-Nintendo is aware of this mode, but has not done anything about it via Wii System Update

I've come to one guess so far about Maintenance Mode: It's being used as a Debug Tool for Nintendo's testers. However, it's not a good guess because I can't back it up very well. I also noticed that returning to the Wii System Menu (In any way with the exception of going to options) will reset the System Menu back to normal. I've been trying to find out where Maintenance Mode is located in the Wii's Flash Memory and what exactly resets the System Menu back to normal. Does anyone know good tools to do this? I'll be posting my progress here.
Re: SWiiMM- Solving Wii Maintenance Mode
December 29, 2010 08:26PM
I would assume you'd find it by disassembling the System Menu itself.
Re: SWiiMM- Solving Wii Maintenance Mode
December 29, 2010 08:38PM
Is there maybe a Homebrew App that can do that? FSBrowser doesn't work.
Re: SWiiMM- Solving Wii Maintenance Mode
December 29, 2010 10:52PM
Um, no. I think if you have to ask that, you are unlikely to do much disassembling. No offence. Maintenance Mode is simply a part of the System Menu, you will not find it in the Wii's NAND FS. It is not a file. Its some code within the System Menu binary (a .DOL file). You'd have to disassemble the whole thing, and read the assembly code, looking for the Maintenance Mode. And no offence intended, but I don't think you're up to the task. Sorry.
Re: SWiiMM- Solving Wii Maintenance Mode
December 30, 2010 12:54AM
One of the theories is that Nintendo uses it when you send in your Wii so that they cannot pry into your Message Board (for your privacy).
Re: SWiiMM- Solving Wii Maintenance Mode
December 30, 2010 04:31PM
Re: SWiiMM- Solving Wii Maintenance Mode
January 01, 2011 04:04PM
Re: SWiiMM- Solving Wii Maintenance Mode
January 03, 2011 04:15AM
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