IOS4
| This is an old revision of this page, as edited by Hallowizer (talk | contribs) at 05:02, 2 November 2021. It may differ significantly from the current revision. |
IOS4 was a very primitive IOS that was used by both the Startup Disc Menu and the System Menu used in the factory process. This IOS and the System Menu come preburnt at the factory, before any other discs are inserted.
| IOS4 | |
 | |
| Release | |
|---|---|
| Initial | boot2v0 |
| System Update | 3.3rev03 |
| Technical info | |
| Type | System Menu IOS |
| Status | Private Corporate IOS |
| Stub variant | 2008 |
U.S. update partitions are set to use this IOS in their TMD. Other regions are not yet known.
Version history
| Version | Signing bug? | /dev/flash access? | ES_Identify? | STM Release Exploit? | STM IOCTL overflow? | SDI register index bug? | Notes |
|---|---|---|---|---|---|---|---|
| v1 | Yes | Yes | Yes | Yes | Yes | Yes | Used by older versions of the Factory System Menu and 0000. |
| v3 | Yes | Yes | Yes | Yes | Yes | Yes | Used in Startup Disc Menu and newer versions of the Factory System Menu. |
| v259 | N/A | N/A | N/A | N/A | N/A | N/A | Stub IOS preinstalled on Korean RVL-CPU-20 consoles. |
| v65280 | N/A | N/A | N/A | N/A | N/A | N/A | Stub IOS released in 3.3rev03 and 3.5. Probably v65280 because different locations were unaware of the versions of IOS4 released. |