BIOS
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Dreamcast
The Sega Dreamcast BIOS has several known revisions:
| Version | Label | Regions | HW Revisions | Notes | CRC32 | MD5 | SHA1 |
|---|---|---|---|---|---|---|---|
| v1.004 | MPR-21068 | Japan | va0 | No support for region flags in flash, hardcoded to Japan | 5454841f | 37c921eb47532cae8fb70e5d987ce91c | 1ea132c0fbbf07ef76789eadc07908045c089bd6 |
| v1.01c | MPR-21871 | PAL | 2f551bc5 | 6679bc5f3006b5bdb019b2781f537373 | 1ede8d5be49116a4c6f3fe0961175469537a0434 | ||
| v1.01d | MPR-21931, MPR-21933 | Japan, U.S., PAL | va1 | 89f2b1a1 | e10c53c2f8b90bab96ead2d368858623 | 8951d1bb219ab2ff8583033d2119c899cc81f18c | |
| v1.01d (hack) | ??? | Japan | va1 | Treamcast console BIOS, menu translated to Chinese | cff88d0d | 583f96b3e255ed405abc5bdbad8635c0 | e3f84705b183ffded0a349ac7f2ab00be2ab74ee |
| v1.022 | MPR-23588 | Japan, U.S. | va2 | MIL-CD loading support removed | 786168f9 | f2cd29d09f3e29984bcea22ab2e006fe | ba8bbb90fdb29525f24f17055dc2c7b2d7674437 |
VMU
The Visual Memory Unit (or Visual Memory System) BIOS has two known revisions:
| Version | Regions | CRC32 | MD5 | SHA1 |
|---|---|---|---|---|
| v1.04 | Japanese | 8e0f867a | 352578c7f395235439b78034c0c3f483 | b75f616755899dfc6d99f39f36015b20343f0f9f |
| v1.05 | American | c825003a | e7386b97c7da04ba9a0febebe0cba88d | 32ba00149d8df942c690fe4913b2f7447b69cf12 |
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