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SEGA NAOMI 2 GD-ROM HARDWARE
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HARDWARE DESCRIPTION
Hardware : Hardware Description

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
Flyers : GD-ROM Front - GD-ROM Back


KNOWN SEGA NAOMI 2 GD-ROM GAME LIST
Beach Spikers
Initial D : Arcade Stage
Initial D : Arcade Stage 2
Initial D : Version 3
Initial D : Version 3 Cycraft
Virtua Fighter 4
Virtua Fighter 4 Evolution
Virtua Fighter 4 Evolution Ver. B
Virtua Fighter 4 Final Tuned
Virtua Fighter 4 Ver. B
Virtua Fighter 4 Ver. B
Virtua Fighter 4 Ver. C
Virtua Striker III


Beach Spikers
2001
Beach Spikers Beach Spikers
Flyers : Normal Flyer
Other Images : CG
Cabinets : Upright
 

Initial D : Arcade Stage
2002
Initial D : Arcade Stage Initial D : Arcade Stage
Flyers : Normal Flyer
Cabinets : Deluxe - Other
Sequels : Initial D : Arcade Stage 2 (2003) - Initial D : Version 3 (2004) - Initial D : Version 3 Cycraft (2005)
 

Initial D : Arcade Stage 2
2003
Initial D : Arcade Stage 2
Prequel : Initial D : Arcade Stage (2002)
Sequels : Initial D : Version 3 (2004) - Initial D : Version 3 Cycraft (2005)
 

Initial D : Version 3
2004
Hardware Notes : Used a 256MB RAM module.
Initial D : Version 3 Initial D : Version 3
Initial D : Version 3 Initial D : Version 3
Pictures : GD-Rom
Prequels : Initial D : Arcade Stage (2002) - Initial D : Arcade Stage 2 (2003)
Sequel : Initial D : Version 3 Cycraft (2005)
 

Initial D : Version 3 Cycraft
2005
No images available
Notes : Special version of this game to work with the Cycraft Motion Simulator cabinet.
Prequels : Initial D : Arcade Stage (2002) - Initial D : Arcade Stage 2 (2003) - Initial D : Version 3 (2004)
 

Virtua Fighter 4
2001
Virtua Fighter 4 Virtua Fighter 4
Flyers : Normal Flyer
Cabinets : Upright
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997)
Other version : Virtua Fighter 4 (2001,Sega Naomi 2)
Sequels : Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Ver. C (2002) - Virtua Fighter 4 Evolution Ver. B (2003) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Evolution
2002
Virtua Fighter 4 Evolution Virtua Fighter 4 Evolution
Notes : A new remixed version of Virtua Fighter 4, more like a new game than a simple bugfix revision, has 2 more characters and lots more.
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Ver. B (2001)
Other version : Virtua Fighter 4 Evolution (2002,Sega Naomi 2)
Sequels : Virtua Fighter 4 Ver. C (2002) - Virtua Fighter 4 Evolution Ver. B (2003) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Evolution Ver. B
2003
No images available
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Ver. C (2002)
Sequels : Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Final Tuned
2004
Virtua Fighter 4 Final Tuned Virtua Fighter 4 Final Tuned
Other Images : Bloke - Girl
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Ver. C (2002) - Virtua Fighter 4 Evolution Ver. B (2003)
Other version : Virtua Fighter 4 Final Tuned (2004,Sega Naomi 2)
Sequel : Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Ver. B
2001
No images available
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001)
Other version : Virtua Fighter 4 Ver. B (2001,Sega Naomi 2 GD-ROM)
Sequels : Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Ver. C (2002) - Virtua Fighter 4 Evolution Ver. B (2003) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Ver. B
2001
No images available
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001)
Other version : Virtua Fighter 4 Ver. B (2001,Sega Naomi 2 GD-ROM)
Sequels : Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Ver. C (2002) - Virtua Fighter 4 Evolution Ver. B (2003) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Fighter 4 Ver. C
2002
No images available
Prequels : Virtua Fighter (1993) - Virtua Fighter 2 (1995) - Virtua Fighter Remix (1995) - Virtua Fighter 2.1 (1996) - Virtua Fighter 3 (1996) - Virtua Fighter Kids (1996) - Virtua Fighter 3 Team Battle (1997) - Virtua Fighter 4 (2001) - Virtua Fighter 4 (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Ver. B (2001) - Virtua Fighter 4 Evolution (2002) - Virtua Fighter 4 Evolution (2002)
Sequels : Virtua Fighter 4 Evolution Ver. B (2003) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 4 Final Tuned (2004) - Virtua Fighter 5 (2006)
 

Virtua Striker III
2001
Virtua Striker III Virtua Striker III
Flyers : Front (inside right/left) Back
Prequels : Virtua Striker (1995) - Virtua Striker 2 (1997) - Virtua Striker 2 (1997) - Virtua Striker 2 Version '98 (1998) - Virtua Striker 2 Version '98 (1998) - Virtua Striker 2 '99 (1999) - Virtua Striker 2 Version '99 (1999) - Virtua Striker 2 Version '99.1 (1999) - Virtua Striker 2 Ver.2000 (2000)
Other version : Virtua Striker 3 (2001,Sega Naomi 2)
Sequels : Virtua Striker 2002 (2002) - Virtua Striker 4 (2005) - Virtua Striker 4 Ver.2006 (2006)
 

 

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