GDROM(4) Device Drivers Manual (dreamcast) GDROM(4)

gdrom
GD-ROM disk driver

gdrom0 at shb?

The gdrom driver provides support for the Dreamcast CD-ROM (“GD-ROM”) storage device.

/dev/gdrom0p
block mode GD-ROM disk partition p
/dev/rgdrom0p
raw mode GD-ROM disk partition p

The gdrom device driver appeared in NetBSD 1.6.
November 17, 2002 NetBSD 9.4