DVD Drive

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The Xbox contains a DVD Drive which can read Xbox Game Discs.

There are four retail drives known to be used by Microsoft in the retail version of the console. any xbox dvd drive can be used in any retail xbox. Development kits can use and read debug signed code from these drives. Other drives that might work are firmware modded PC drives like Kreon drives.

List of Xbox DVD Drive manufacturers

  • Thomson
  • Philips
  • Samsung
  • Hitachi-LG (mainly 1.6?)

Xbox DVD Drive determination

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]

References and links