av:dreamcastav
Differences
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av:dreamcastav [2009/04/19 01:35] – Added more information about forcing games into the desired RGB mode 82.16.34.173 | av:dreamcastav [2009/11/01 15:54] – IiJhImnAwbBg 117.3.0.15 | ||
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- | ===== Dreamcast AV Connector ===== | + | WMF3y8 |
- | The Dreamcast connector is a wild, multi-functioned beast. | + | |
- | + | ||
- | {{av:dreamcast_av.jpg}} | + | |
- | + | ||
- | ^Pin^Description^Pin^Description^ | + | |
- | | 1 | Ground | + | |
- | | 2 | Right Audio | 10 |Composite Sync| | + | |
- | | 3 | Left Audio | 11 |S-Video Chrominance (C)| | + | |
- | | 4 | +12v | 12 |S-Video Luminance (Y)| | + | |
- | | 5 | +5v | 13 |Composite Video| | + | |
- | | 6 | Mode Select 1 | 14 |Blue Out | | + | |
- | | 7 | Mode Select 2 | 15 |Green Out | | + | |
- | | 8 | Vertical Sync (for VGA) | 16 |Red Out | | + | |
- | + | ||
- | ==== Usage Notes ==== | + | |
- | The mode select pins are 6 and 7. Ground either one for two kinds of 15kHz RGB (SCART), ground both for 31kHz RGB (VGA). | + | |
- | + | ||
- | You should use a 220uF capacitor on each of the RGB lines (+ towards console). | + | |
- | + | ||
- | <box round warning 40% |15kHz/31kHz RGB Note:> Most Dreamcast games are compatible with both 15kHz and 31kHz RGB modes (SCART and VGA) However a small percentage are not compatible and will show either a warning message on the Dreamcast' | + | |
- | + | ||
- | If a certain game will not boot in either RGB mode it can sometimes be ' | + | |
- | + | ||
- | ==== Mode Selection Signals Chart ==== | + | |
- | When the mode select pins are used certain signal outputs are enabled or disabled:- | + | |
- | + | ||
- | ^Pin^Description^Standard Mode^15kHz RGB (SCART)^31kHz RGB (VGA)^ | + | |
- | | 1 | Ground | + | |
- | | 2 | Right Audio | Right Audio | Right Audio | Right Audio | | + | |
- | | 3 | Left Audio | Left Audio | Left Audio | Left Audio | | + | |
- | | 4 | +12v | +12v | +12v | +12v | | + | |
- | | 5 | +5v | +5v | +5v | +5v | | + | |
- | | 6 | Mode Select 1 | Unused | Unused | Grounded | | + | |
- | | 7 | Mode Select 2 | Unused | Grounded | Grounded | | + | |
- | | 8 | Vertical Sync | ? | ? | V-Sync | | + | |
- | | 9 | Horizontal Sync | ? | ? | H-Sync | | + | |
- | | 10 | Composite Sync| ? | C-Sync | ? | | + | |
- | | 11 | S-Video Chroma (C)| S-Video Chroma | ? | Disabled | | + | |
- | | 12 | S-Video Luma (Y)| S-Video Luma | ? | Disabled | | + | |
- | | 13 | Composite Video| Composite Video | ? | Disabled | | + | |
- | | 14 | Blue | Disabled | Blue | Blue | | + | |
- | | 15 | Green | Disabled | Green | Green | | + | |
- | | 16 | Red | Disabled | Red | Red | | + | |
- | + | ||
- | + | ||
- | ==== Other ==== | + | |
- | [[dreamcastRGB|Ryu' | + | |
- | [[http://www.gamesx.com/grafx/dricas.gif|Dreamcast VGA Box Schematic]] | + | |
- | + | ||
- | ---- | + | |
- | See here for the [[http://www.gamesx.com/avpinouts/ | + |
av/dreamcastav.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1