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SEGA NAOMI GD-ROM HARDWARE
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HARDWARE DESCRIPTION
Hardware : Hardware Description
Protection Chip : PIC16C621A-20/P

The NAOMI (New Arcade Operation Machine Idea) is also Japanese for beauty above all else.

The GD Rom upgrade is compatible with Naomi and Naomi 2 via the option port on the top of the board. It comes with a Dimm board, very similar to the ROM board on a normal Naomi cartridge, but has RAM instead of ROMS.
RAM board Uses normal PC type DIMM's, so upgrading memory is not a problem, and relativly cheap.

The GD Rom system has a very clever way of getting around the loading delay time. When the game is initially installed, the GD ROM loads its content into the Naomi RAM. 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. 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.

From Sega R+D - "We learned a lesson watching our coin-op competitors go through hardware hell. Many have been using off-board storage devices for years - hard drives, CD's, etc. with great success in increased content but at a tremendous cost in realiablity. These storage devices simply could not withstand the constant on/off cycling a coin-op application demands. Add to that the dirt and smoke a game has to put up with on location vs. 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. A different key is supplied with every game.

There is a well founded rumor that Sega may use this system for having multigame cabinets like the neogeo multi systems, as the GR-Rom can store a LOT of data....
System Pictures : GD-Rom Closeup - Dimm Module + Key

This hardware is based on Sega Dreamcast


KNOWN SEGA NAOMI GD-ROM GAME LIST
-=Capcom's Sega Naomi GD Rom Games=-
Capcom Vs. SNK 2 : Millionaire Fighting 2001
Capcom Vs. SNK : Millennium Fight 2000 Pro
Mobile Suit Gundam : Federation Vs. Jion
Mobile Suit Gundam : Federation Vs. Jion Deluxe
Street Fighter Zero 3 Upper


-=Capcom's Sega Naomi GD Rom Games=-
2000
No images available
 

Capcom Vs. SNK 2 : Millionaire Fighting 2001
Capcom / SNK - 2001
This games runs on 's Sega Naomi GD-ROM hardware
Capcom Vs. SNK 2 : Millionaire Fighting 2001 Capcom Vs. SNK 2 : Millionaire Fighting 2001
Flyers : Normal Flyer - Alternate Flyer - Normal Flyer
Prequels : Capcom Vs. SNK : Millennium Fight 2000 (2000) - Capcom Vs. SNK : Millennium Fight 2000 Pro (2000)
Sequel : SVC Chaos: SNK Vs. Capcom (2003)
 

Capcom Vs. SNK : Millennium Fight 2000 Pro
Capcom / SNK - 2000
This games runs on 's Sega Naomi GD-ROM hardware
Capcom Vs. SNK : Millennium Fight 2000 Pro Capcom Vs. SNK : Millennium Fight 2000 Pro
Flyers : Normal Flyer
Prequel : Capcom Vs. SNK : Millennium Fight 2000 (2000)
Sequels : Capcom Vs. SNK 2 : Millionaire Fighting 2001 (2001) - SVC Chaos: SNK Vs. Capcom (2003)
 

Mobile Suit Gundam : Federation Vs. Jion
Capcom / Bandai - 2001
This games runs on 's Sega Naomi GD-ROM hardware
Mobile Suit Gundam : Federation Vs. Jion Mobile Suit Gundam : Federation Vs. Jion
Mobile Suit Gundam : Federation Vs. Jion Mobile Suit Gundam : Federation Vs. Jion
Flyers : Normal Flyer
 

Mobile Suit Gundam : Federation Vs. Jion Deluxe
Capcom / Bandai - 2001
This games runs on 's Sega Naomi GD-ROM hardware
Mobile Suit Gundam : Federation Vs. Jion Deluxe Mobile Suit Gundam : Federation Vs. Jion Deluxe
Mobile Suit Gundam : Federation Vs. Jion Deluxe Mobile Suit Gundam : Federation Vs. Jion Deluxe
Notes : DX Version has more levels and also features outer space missions.
Prequels : SD Gundam Neo Battle (1992) - Mobile Suit Gundam (1993) - Mobile Suit Gundam EX Revue (1994) - Mobile Suit Gundam Final Shooting (1995) - Mobile Suit Gundam : Federation Vs. Jion (2001)
Sequels : Mobile Suit Gundam Z : AEUG Vs. Titans (2003) - Mobile Suit Gundam 0079 Card Builder (2005) - Mobile Suit Gundam SEED : Federation Vs. Z.A.F.T. (2005) - Mobile Suit Gundam SEED : Federation Vs. Z.A.F.T. II (2006)
 

Street Fighter Zero 3 Upper
Capcom - 2001
This games runs on 's Sega Naomi GD-ROM hardware
Street Fighter Zero 3 Upper Street Fighter Zero 3 Upper
Notes : This is an arcade version of the Dreamcast version of the origional SFZ3. It has all 33 characters including all of the "boss" characters.
Prequels : Street Fighter (1987) - Street Fighter II (1991) - Street Fighter II : Champion Edition (1992) - Street Fighter II : Hyper Fighting / Street Fighter II Turbo : Hyper Fighting (1992) - Super Street Fighter 2 : The New Challengers (1993) - Super Street Fighter 2 : The Tournament Battle (1993) - Super Street Fighter 2 Turbo / Super Street Fighter 2 X (1994) - Street Fighter Alpha / Street Fighter Zero (1995) - Street Fighter Alpha 2 / Street Fighter Zero 2 (1996) - Street Fighter EX (1996) - Street Fighter Zero 2 Alpha (1996) - Street Fighter EX Plus (1997) - Street Fighter III : New Generation (1997) - Street Fighter Alpha 3 / Street Fighter Zero 3 (1998) - Street Fighter EX2 (1998) - Street Fighter III 2nd Impact : Giant Attack (1998) - Street Fighter EX2 Plus (1999) - Street Fighter III 3rd Strike : Fight for the Future (1999)
Sequels : Hyper Street Fighter II : The Anniversary Edition (2004) - Street Fighter IV (2008)
 

 

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