GD-ROM Dumping Guide
From Redump Wiki
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==HD Area== | ==HD Area== | ||
| - | '''Tools | + | '''Tools''' |
* An optical drive listed in [[Optical Disc Drive Compatibility: GD-ROM]] | * An optical drive listed in [[Optical Disc Drive Compatibility: GD-ROM]] | ||
* Windows or Linux computer | * Windows or Linux computer | ||
* [https://github.com/MoriGM/dreamdump/releases dreamdump app] | * [https://github.com/MoriGM/dreamdump/releases dreamdump app] | ||
| - | '''Dumping | + | '''Dumping''' |
* Open command line interface app | * Open command line interface app | ||
* cd (change directory) to the location of the dreamdump app. | * cd (change directory) to the location of the dreamdump app. | ||
Revision as of 03:48, 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=""
