GD-ROM Dumping Guide
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GD discs were used by the Sega Dreamcast, Sega NAOMI, Sega NAOMI 2, Sega Chihiro, and Triforce arcade systems. | GD discs were used by the Sega Dreamcast, Sega NAOMI, Sega NAOMI 2, Sega Chihiro, and Triforce arcade systems. | ||
| - | The discs contain two distinct areas, a Low Density Area ("LD Area") and a High Density Area ("HD Area"), physically separated by a ring. You'll need to dump both areas of the disc, each requiring different drive models and methods. | + | The discs contain two distinct areas, a Low Density Area ("LD Area") and a High Density Area ("HD Area"), physically separated by a [https://en.wikipedia.org/wiki/GD-ROM#/media/File:Gdrom.jpg ring]. You'll need to dump both areas of the disc, each requiring different drive models and methods. |
==LD Area== | ==LD Area== | ||
Revision as of 03:20, 19 February 2026
GD-ROM dumping guide. See here for information about dumping GD-R (recordable discs).
GD discs were used by the Sega Dreamcast, Sega NAOMI, Sega NAOMI 2, Sega Chihiro, and Triforce arcade systems.
The discs contain two distinct areas, a Low Density Area ("LD Area") and a High Density Area ("HD Area"), physically separated by a ring. You'll need to dump both areas of the disc, each requiring different drive models and methods.
LD Area
Tools:
- An optical drive listed in Optical Disc Drive Compatibility: CD
- A Windows, Linux, or macOS computer
- MPF application (includes Redumper)
Dumping: The LD Area is formatted like a standard CD-ROM, so should be dumped using the standard Disc Dumping Guide (MPF) with a CD-ROM compatible drive. The CD-ROM profile should be selected in MPF.
HD Area
Tools:
- An optical drive listed in Optical Disc Drive Compatibility: GD-ROM
- Windows or Linux computer
- dreamdump app
Dumping:
- Open command line interface app
- cd (change directory) to the location of the dreamdump app.
- Dump with the following command: dreamdump disc --drive="[drive letter]" --image-name=""
