DVD Drive
From xboxdevwiki
Revision as of 23:37, 4 July 2022 by VannevarKush (talk | contribs) (Added DVD media compatibility chart)
The Xbox contains a DVD Drive which can read Xbox Game Discs. For a list of drives Microsoft used in the Xbox, see Hardware Revisions.
Contents
Extra commands / modifications
IDENTIFY
[FIXME]
READ DVD STRUCTURE
[FIXME]
MODE SENSE and MODE SELECT
Page 0x3E is used for security. Accessed through MODE SELECT 10 and MODE SENSE 10. [FIXME]
| Offset | Field | Type | Notes |
|---|---|---|---|
| 0 | Mode page | u8 | |
| 1 | Length | u8 | Excluding this and the field before. Should always be 18 |
| 2 | Partition select | u8 | 0x00 = Video partition 0x01 = Xbox partition This will be set to 0x01 by the kernel when the last challenge was verified. This is done by sending the same challenge again, the challenge id / value is not reset. |
| 3 | Unknown | u8 | If this is not 1, the kernel will reject this as an XGD (but still allow normal access?![citation needed]) |
| 4 | Authenticated | u8 | 0x00 = Not authenticated 0x01 = Already authenticated or authentication in progress This will be set to 0x01 by the kernel when the first challenge is send. |
| 5 | Booktype (0xF0) and Bookversion (0x0F) | u8 | Booktype 0xD is used for Xbox games. This must match info from the SS. |
| 6 | Unknown | u8 | ? |
| 7 | Challenge id | u8 | |
| 8 | Challenge value | u32 | |
| 12 | Response value | u32 | |
| 16 | Unknown | u8 | Unused? |
| 17 | Unknown | u8 | Unused? |
| 18 | Unknown | u8 | Unused? |
| 19 | Unknown | u8 | Unused? |
DVD authentication
[FIXME]
