SEGA NAOMI 2 GD-ROM HARDWARE - HARDWARE DESCRIPTION Hardware: The NAOMI (New Arcade Operation Machine Idea) is also Japanese for beauty above all else. The GD Rom upgrade is compatible with and 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: - Flyers: - KNOWN SEGA NAOMI 2 GD-ROM GAME LIST Beach Spikers 2001 Flyers: Other Images: Cabinets: Initial D: Arcade Stage 2002 Flyers: Cabinets: - Sequels: -Initial D: Arcade Stage 2 2003 Prequel: Sequels: - Initial D: Version 3 2004 Hardware Notes: Used a 256MB RAM module.
Pictures: Prequels: - Sequel: Initial D: Version 3 Cycraft 2005 No images available Notes: Special version of this game to work with the. Prequels: -Virtua Fighter 4 2001 Flyers: Cabinets: Prequels: -Other version: Sequels: -Virtua Fighter 4 Evolution 2002 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: -Other version: Sequels: -Virtua Fighter 4 Evolution Ver. B 2003 No images available Prequels: -Sequels: -Virtua Fighter 4 Final Tuned 2004 Other Images: - Prequels: -Other version: Sequel: Virtua Fighter 4 Ver.
![Sega Naomi Gd-rom Sega Naomi Gd-rom](/uploads/1/2/3/7/123750325/483248156.jpg)
B 2001 No images available Prequels: -Other version: Sequels: -Virtua Fighter 4 Ver. B 2001 No images available Prequels: -Other version: Sequels: -Virtua Fighter 4 Ver. C 2002 No images available Prequels: -Sequels: -Virtua Striker III 2001 Flyers: (inside /) Prequels: -Other version: Sequels: -All content is © 1999-2014 Toby Broyad, all rights reserved. All names and images used are trademarked by their respective trademark holders. System16 takes no responsibility for the content of any linked websites.
SEGA NAOMI GD-ROM HARDWARE - HARDWARE DESCRIPTION Hardware: The NAOMI (New Arcade Operation Machine Idea) is also Japanese for beauty above all else. The GD Rom upgrade is compatible with and 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: - Flyers: - This hardware is based on KNOWN SEGA NAOMI GD-ROM GAME LIST Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Pages: 1 Alienfront Online 2001 Flyers: - Azumanga Daioh Puzzle Bobble Taito - 2002 Flyers: Border Down G.Rev - 2003 Notes: G.Rev are the ex-taito team who brought you G-Darius and Rayforce. Pictures: Capcom Vs. SNK 2: Millionaire Fighting 2001 Capcom / SNK - 2001 Flyers: -Prequels: - Sequel: Capcom Vs. SNK: Millennium Fight 2000 Pro Capcom / SNK - 2000 Flyers: Prequel: Sequels: - Chaos Field Able / MileStone - 2004 Flyers: - Cleopatra Fortune Plus Taito - 2001 Prequel: Confidential Mission 2000 Flyers: Cabinets: -Crackin' DJ 2 2001 Flyers: Cabinets: Prequel: Other version: Doki Doki Idol Star Seeker G.rev - 2001 Pages: 1 All content is © 1999-2014 Toby Broyad, all rights reserved.
All names and images used are trademarked by their respective trademark holders. System16 takes no responsibility for the content of any linked websites.
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Contents. DIMM board Comes in (at least) 3 flavors. GD-ROM version. GD-ROM with Ethernet and a serial port. Satellite, only ethernet DIMM board Battery The Naomi DIMM has a 3 wire battery pack consisting of small PCB and 2 x Panasonic CGR18650H cells. The H is probably some rating, I used CGR18650CF's which have a bit better capacity. Search for CGR18650, or just 18650 and you should be able to source some locally.
The pack is connected like this: DIMM board RAM Samsung, 0129, Korea H, PC133U-333-532, M366S3323CT0-C7A You can replace the orignal Samsung DIMM with 2x Samsung 256MB PC133 SDRAM 168pin DIMM M366S3323CT0-C75. Has been confirmed working and tested.
DIMM board serial interface You can connect a computer to this port with a null-modem cable to see the VxWorks firmware bootup messages. Speed is 38400,N,8,1. To enable this, you need to change jumpers on the Naomi1 motherboard. They are located in a cluster of 3 (JP3-JP5), beneath the battery, opposite side of battery connector. JP3 to positon 1-2 (default 2-3) enable serial receive JP4 to positon 1-2 (default 2-3) enable serial send Output when booting in satellite mode: Target Name: vxTarget User: target Attached TCP/IP interface to lnxxx unit 0 Attaching network interface lo0.
Sega Naomi Forums
NFS client support not included. VxWorks Copyright 1984-1997 Wind River Systems, Inc. CPU: SH7091 VxWorks: 5.3.1 BSP version: 1.2/1 Creation date: Jul 4 2003 WDB: Ready. Edirol drivers um15x.
Set Network address from Static (not DHCP). Gcxb-1.4.3 v3.17/v3.16 Jul 4 2003 00:15:43 Sys.N GD-Drive. DISABLE Ether.
ENABLE CRC data broken. PppCtrl: task spawned. SocketControl task (Ver 3.04d) spawned. 0xcf939a4 (ComMemory): MC and BB version HOST:0 0x0fd00000 0xcf8e7a0 (CommRecv): spawned. 0xcf8e7a0 (CommRecv): suspended. 0xcf8bec4 (CommSend): spawned. 0xcf8bec4 (CommSend): suspended.
Memory free 240MB Program size 0MB Program loaded once. NO LAN cable. CONNECT DIMM board Ethernet interface This is used for games like WCCF where you have a central node that loads games via the network instead of GD-ROM media. There is a satellite only version of the DIMM board, but all DIMM boards with Ethernet can be used.
Sega Naomi Gd Roms Chd
To enable satellite mode on DIMM boards, jumpers on the DIMM board must be set to: JP1 to position 1-2 JP2 to position 1-2 JP3 to position 2-3 Network wise, this will enable TCP port 10703. Regardless of satellite mode, boards with ethernet listen on UDP port 17185 which is VxWorks WDB.
Error codes on start-up, and what they actually mean ERROR 22 COMMUNICATION ERROR OCCURRED BETWEEN MAIN BOARD AND OPTION BOARD. I've seen this when the daughter board on the DIMM is not properly seated.
Fix includes cleaning the contacts and re-seating. ERROR 26 OPTION BOARD MALFUNCTIONING. When booting from compact flash, you get this if the card is corrupted. ERROR 33 Gateway is not found. The game doesn't like the security PIC/chip you're using, or PIC is missing, only seen when net-booting(?). GD-ROM boot sequence. Security PIC is first queried for a bootstrap file name, and an 8 byte DES key.
DIMM board does a media check to see if a GD-ROM present. The bootstrap file from step 1 is loaded from the GD-ROM. Santosh anand mp3 songs. Bootstrap file contains file name of the image to be loaded, and a CRC32 of this image.
The image file is loaded into the DIMM memory from GD-ROM, and CRC32 of the loaded data is computed. When image file(game), is finished loading - the calculated CRC32 is compared to the CRC32 from the bootstrap file. The system reboots, and the game starts Manuals.