Ichi Ban Jyan (Ver 3.05)
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Display
Type: raster Horizontal
Resolution: 256 x 240
Refresh: 60.57 Hz
Processors
Zilog Z80 @ 6.144 MHz
Audio
YM2149 SSG @ 1.536 MHz
YM2413 OPLL @ 3.072 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
mahjong, 26 buttons
gambling, 2 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
| Switch | Setting | Options | Default |
|---|---|---|---|
| DIPSW-A:1, DIPSW-A:2, DIPSW-A:3 | Payout Rate | DIPSW-A:1 DIPSW-A:2 DIPSW-A:3ON ON ON 60%OFF ON ON 65%ON OFF ON 70% ✱OFF OFF ON 75%ON ON OFF 80%OFF ON OFF 85%ON OFF OFF 90%OFF OFF OFF 95% | 70% |
| DIPSW-A:4, DIPSW-A:5 | Double-Up Game Strength | DIPSW-A:4 DIPSW-A:5OFF OFF 1 (weak)ON OFF 2OFF ON 3 ✱ON ON 4 (strong) | 3 |
| DIPSW-A:6, DIPSW-A:7 | Last Chance | DIPSW-A:6 DIPSW-A:7OFF OFF OffON OFF 5 times ✱OFF ON 8 timesON ON 10 times | 5 times |
| DIPSW-A:8 | Payout Sound | OFF OffON On ✱ | On |
| DIPSW-B:1, DIPSW-B:2 | Odds Rate | DIPSW-B:1 DIPSW-B:2ON ON 1 2 3 5 10 20 35 60 ✱OFF OFF 1 2 3 5 10 20 50 100OFF ON 1 2 3 5 10 50 100 150ON OFF 1 2 3 5 10 50 100 200 | 1 2 3 5 10 20 35 60 |
| DIPSW-B:3 | Unknown | OFF Off ✱ON On | Off |
| DIPSW-B:4 | Unknown | OFF Off ✱ON On | Off |
| DIPSW-B:5, DIPSW-B:6 | Internal Reset | DIPSW-B:5 DIPSW-B:6OFF OFF 100ON OFF 150OFF ON 300 ✱ON ON 500 | 300 |
| DIPSW-B:7 | Prevailing Wind Movement | ON OffOFF On ✱ | On |
| DIPSW-B:8 | Tile Movement Type | OFF 3D Tiles ✱ON 2D Tiles | 3D Tiles |
| DIPSW-C:1, DIPSW-C:2 | China Sound | DIPSW-C:1 DIPSW-C:2OFF OFF Off ✱ON OFF Haneman or HigherOFF ON Baiman or HigherON ON Sanbaiman or Higher | Off |
| DIPSW-C:3 | Yakuman Cut | OFF Off ✱ON On | Off |
| DIPSW-C:4 | Sanbaiman Cut | OFF Off ✱ON On | Off |
| DIPSW-C:5 | Unknown | OFF Off ✱ON On | Off |
| DIPSW-C:6 | Unknown | OFF Off ✱ON On | Off |
| DIPSW-C:7 | Score Limit | OFF UnlimitedON 1000 Points ✱ | 1000 Points |
| DIPSW-C:8 | Maximum Bet | OFF 10 ✱ON 20 | 10 |
| DIPSW-D:1, DIPSW-D:2 | Bet Skip | DIPSW-D:1 DIPSW-D:2OFF OFF 1 ✱ON OFF 2OFF ON 5ON ON 10 | 1 |
| DIPSW-D:3, DIPSW-D:4 | Coinage | DIPSW-D:3 DIPSW-D:4OFF OFF 1 Coin/1 Credit ✱ON OFF 1 Coin/2 CreditsOFF ON 1 Coin/5 CreditsON ON 1 Coin/10 Credits | 1 Coin/1 Credit |
| DIPSW-D:5, DIPSW-D:6, DIPSW-D:7 | Credits Per Note | DIPSW-D:5 DIPSW-D:6 DIPSW-D:7OFF OFF OFF 1 ✱ON OFF OFF 2OFF ON OFF 5ON ON OFF 10OFF OFF ON 20ON OFF ON 25OFF ON ON 50ON ON ON 100 | 1 |
| DIPSW-D:8 | Unknown | OFF Off ✱ON On | Off |