Firstly I would like to say thank you to Ithian over at Wiihacks for this list, I think it is well worth sharing.
Below you will find a list of all current IOS Files available for the Nintendo Wii along with a description of the function they perform. If you know of any errors or updates that I need to know about please post them below and I will update the list accordingly.
Also remember to NEVER delete an IOS file under 200, doing so could brick your Nintendo Wii making it a very expensive paper weight.
If you want to check what IOS files are installed on your Nintendo Wii you can use sysCheck.
KEY
Orange – included with the 4.3 update. These updates disable IOS downgrading capabilities.
Red – Stubbed IOS, placeholders, no functional use.
BC (v6): BC plays a role in Gamecube functions. Removal or corruption will result in no GC support.
MIOS (v10): MIOS is a special version of IOS that runs when the Wii enters GC mode. Same MIOS is used for all GC games & software.
IOS 3 (v65280): IOS3 is a stub IOS present in some Wiis. No known functional version has ever been found.
IOS 4 (v65280): Stub, useless now.
IOS 10 (v768): Stub, useless now.
IOS 12 (v269) (v525): IOS 13 (v273) (v1032): Used by Photo Channel v1.0 and Weather Channel.
IOS 14 (v520) (v1032):IOS 15 (v523) (v1032):IOS 16 (v257) (v512): Used by the official Nintendo Backup disk (v1.3). IOS has trucha bug, es-identify, and flash access.
IOS 17 (v775) (v1032):IOS 21 (v782) (v1039): Used by old third-party titles (No More Heroes).
IOS 22 (v1037) (v1294):IOS 28 (v1550) (v1807):IOS 31 (v3349) (v3608): Used by different System Channels (Mii, News, Everyone Votes).
IOS 33 (v3091) (v3608): Used by some VC and Wiiware titles.
IOS 34 (v3348) (v3608):IOS 35 (v3349) (v3608): Used by Super Mario Galaxy. Also used as the primary IOS for many forwarders.
IOS 36 (v3351) (v3608): Used by: SSBB, MarioKart Wii. Can be ES_Identify patched.
IOS 37 (v3869) (v5663): Used mostly by music games (Guitar Hero).
IOS 38 (v3867) (v4124): Used by some modern titles (Animal Crossing).
IOS 41 (v3348) (v3607): Korean IOS. Operation unknown. Now included for all regions with 4.3 update.
IOS 43 (v3348) (v3607): Korean IOS. Operation unknown. Now included for all regions with 4.3 update.
IOS 45 (v3348) (v3607): Korean IOS. Operation unknown. Now included for all regions with 4.3 update.
IOS 46 (v3350) (v3607): Korean IOS. Operation unknown. Now included for all regions with 4.3 update.
IOS 48 (v4124): Korean IOS. Operation unknown. Now included for all regions with 4.3 update.
IOS 51 (v4864): Outdated, now a stub. Used only by Shop Channel 3.4.
IOS 53 (v5406) (v5663): Used by some modern games and channels.
IOS 55 (v5406) (v5663): Used by some modern games and channels.
IOS 56 (v5405) (v5662): Used by Wii Shopping Channel v20 (IOS56 v56xx required) and Wii Speak Channel 2.0.
IOS 57 (v5661) (v5919): Used by some USB peripherals.
IOS 58 (v5918) (v6176): Used by the Wii Camera (v5918). v6176 adds USB2 functionality with HBC 1.0.8
IOS 61 (v5405) (v5662): Used by Photo Channel v1.1 and older versions of Shop Channel.
IOS 9 (v778) (v1034): Used by System Menu 1.0 and launch titles (Zelda: Twilight Princess).
IOS 11 (v10) (v256) : Used only by System Menu 2.0 and 2.1.
IOS 20 (v12) (v256): Used only by System Menu 2.2.
IOS 30 (v1037-2576) (v2816): Used by System Menu 3.0 (v1037), 3.1 (v1039), 3.2 (v1040), and 3.3 (v2576).
IOS 40 (v2320) (v3072): Korean 3.3 System Menu IOS.
IOS 50 (v4889) (v5120) : Used only by System menu 3.4.
IOS 52 (v5661) (v5888): Korean 3.5 System Menu IOS.
IOS 60 (v6174) (v6400) : Used by System Menu 4.0 and 4.1.
IOS 70 (v6687) (v6912): Used by System Menu 4.2.
IOS 80 (v6944): Used by System Menu 4.3.
IOS 90 (v54321): Copy of IOS60 v6174 patched to IOS90. Used in mauifrog’s guides to keep members safe from potential future updates.
IOS 202 (r5.1, v65535): Custom IOS used for USB 2.0 support. Typically installed for use with MPlayer.
IOS 222 (r5.1, v65535): Custom IOS developed by Hermes. Facilitates recognition of USB peripheral devices in the 2nd port while loading backups from the first.
IOS 223 (r5.1, v65535): Custom IOS also developed by Hermes to provide another option for base IOS.
IOS 224 (r5.1, v65535): Custom IOS also developed by Hermes to provide another option for base IOS.
IOS 236: IOS36 patched and installed to IOS236. Done with DOP-IOS MOD v10, and probably versions of TBR.
IOS 237: IOS37 patched and installed to IOS237. Done with DOP-IOS MOD v10, and probably versions of TBR.
IOS 242: Commonly used for Fatal Frame 4 Fan Translation Patch. This IOS is not officially supported by N.
IOS 249 (r20b): Waninkoko’s custom IOS slot. Essential for many homebrew applications. The 4.2/4.3 update patches this slot with a useless stub.
IOS 250 (v65535): A copy of IOS249 designed by Waninkoko as a fallback in case of accidental deletion, corruption, or official update (stub) of the cIOS in the 249 slot.
IOS 254: Location of Bootmii if installed as an IOS.
If you have any questions, comments or updates relating to this list please post them below.
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Chris
Just a blogger in my spare time. I like to share what I know, which some times is not much. If you have any questions about any of my posts just comment under them and I will reply ASAP.
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