![sega naomi gd-rom sega naomi gd-rom](https://i.imgur.com/0u2Xs1z.jpg)
This is for ripped games only, but will apply to original GD-Roms aswell. A different key is supplied with every game. Dreamcast VGA Adaptor by Game - Sega Dreamcast Peripheral Which Allows You To. a normal computer application and you can see how this was a problem waiting to happen" The GD-Rom system uses an electronic "key" that plugs into the DIMM module to act as an activator, to prevent people just copying the GD-Roms, visible on the top right of the pictures. Add to that the dirt and smoke a game has to put up with on location vs. ROM downloads for free, all the classics When the NAOMI powers-on, it copies data from the comparatively slow GD-ROM. These storage devices simply could not withstand the constant on/off cycling a coin-op application demands. with great success in increased content but at a tremendous cost in realiablity. Many have been using off-board storage devices for years - hard drives, CD's, etc. From Sega R+D - "We learned a lesson watching our coin-op competitors go through hardware hell. This does two things, 1) Eliminates loading delays completely, (after initial power up.) 2) Minimizes the on/off cycles of the GD ROM drive and greatly increasing the life of this mechanical device. Once this is completed, the GD ROM goes into standby unless the RAM gets corupted or the game gets shut off for 72 hours or more. Sega Naomi Net Dimm Firm Ver.3.17 With 256 Memory + SCSI + Ethernet ports.
![sega naomi gd-rom sega naomi gd-rom](https://static.wikia.nocookie.net/treasure/images/0/01/SegaNaomiMotherboard.jpg)
When the game is initially installed, the GD ROM loads its content into the Naomi RAM. The GD Rom system has a very clever way of getting around the loading delay time.
SEGA NAOMI GD ROM PC
RAM board Uses normal PC type DIMM's, so upgrading memory is not a problem, and relativly cheap.
SEGA NAOMI GD ROM DOWNLOAD
Once the download is complete, the game executes out of RAM, thereby reducing mechanical wear on the GD-ROM. In operation, the Naomi GD-ROM is read only once at system powerup, downloading the disc's contents to the DIMM-Board RAM. It comes with a DIMM board, very similar to the ROM board on a normal NAOMI cartridge, but has RAM instead of ROMS. The NAOMI arcade-board features 168 MB of solid-state ROMs or GD-ROMs using a custom DIMM board and GD-ROM drive.
SEGA NAOMI GD ROM UPGRADE
TECHNICAL The GD-ROM upgrade is compatible with Naomi and Naomi 2 via the option port on the top of the board. Arcade System published 21 years ago: NAOMI GD-ROM System © 2000 Sega Enterprises, Limited.