Neo Geo CD
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| Neo Geo CD |
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Developer: SNK
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The Neo Geo CD was SNK's entry into the CD-ROM-based console era. Plagued by loading times due to its 1×-speed CD drive with inadequate CD-ROM cache, SNK would go on to release the upgraded CDZ model equipped with, depending on what source you read, a 2×-speed CD drive, or a larger CD cache size.
The absence of any region-locking made the CDZ the preferred model for importing.
 | To do: The CD and CDZ have completely different main menu screens. Get a picture of them. |
Startup Easter Egg
Pressing Up, Up, Down, Down, Left, Right, Left, Right, Down, Left, Up, Right, Down, Up, Down, C during the startup animation brings up a blocky "SNK NEO GEO" text display. No other function seems to be triggered with this sequence. This is not present on the Neo Geo CDZ.
System Test
| Front-loading BIOS | Top-loading BIOS |
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Holding Up + Left + B on any joypad during power on starts up the fast system test routine.
When done on a Neo Geo CDZ, a more complete test screen with menu appears.
Holding Up + Down + Left + Right (normally impossible) on any joypad during power on starts up the complete system test routine.
Unused Neo Geo Logo Jingle
A normal Neo Geo logo jingle is present as track 0x02, but it's left unused. The normal Neo Geo CD jingle is track 0x30.
This is not present on the Neo Geo CDZ, where it was overwritten with the used logo jingle.
Revision Differences
The Neo Geo CDZ has a different startup animation than the standard CD.
| Neo Geo CD | Neo Geo CDZ |
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- Pages missing developer references
- Games developed by SNK
- Pages missing publisher references
- Games published by SNK
- Pages missing date references
- Games released in 1994
- Games released in September
- Games released in December
- Games with unused music
- Games with debugging functions
- Games with revisional differences
- To do
- BIOS/Firmware ROMs
- Neo Geo CD games
Cleanup > Pages missing date references
Cleanup > Pages missing developer references
Cleanup > Pages missing publisher references
Cleanup > To do
Games > BIOS/Firmware ROMs
Games > Games by content > Games with debugging functions
Games > Games by content > Games with revisional differences
Games > Games by content > Games with unused music
Games > Games by developer > Games developed by SNK
Games > Games by platform > Arcade games
Games > Games by platform > Neo Geo games > Neo Geo CD games
Games > Games by publisher > Games published by SNK
Games > Games by release date > Games released in 1994
Games > Games by release date > Games released in December
Games > Games by release date > Games released in September
