AV2Mahjong No.1 Bay Bridge no Seijo (Japan)
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Display
Type: raster Horizontal
Resolution: 640 x 240
Refresh: 60 Hz
Processors
Zilog Z80 @ 3 MHz
Zilog Z80 @ 4 MHz
Audio
YM3812 OPL2 @ 4 MHz
8-Bit R-2R DAC
8-Bit R-2R DAC
Channels: 1
Controls
Players: 2
Coin slots: 2
mahjong, 26 buttons
mahjong, 26 buttons
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
Physical switch positions not available for this machine in MAME.
| Setting | Options | Default |
|---|---|---|
| Difficulty | 1 (Easy) ✱2345678 (Hard) | 1 (Easy) |
| Coinage | 1 Coin/1 Credit ✱1 Coin/2 Credits | 1 Coin/1 Credit |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Video Playback Time | Type-A ✱Type-BType-CType-D | Type-A |
| Attract mode | No attract mode ✱Once per 10min.Once per 5min.Normal | No attract mode |
| Unknown | Off ✱On | Off |
| Graphic ROM Test | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Service Mode | Off ✱On | Off |