Mahjong Electron Base (parts 2 & 4, Japan)
Also known as: Mahjong Electromagnetic Base
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Display
Type: raster Horizontal
Resolution: 508 x 240
Refresh: 60 Hz
Processors
Toshiba TMPZ84C015 @ 5.5 MHz
Audio
AY-3-8912A PSG @ 1.375 MHz
YM2413 OPLL @ 3.58 MHz
OKI MSM5205 ADPCM @ 384 kHz
Channels: 1
Controls
Players: 2
Coin slots: 1
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 |
|---|---|---|---|
| SW3:1, SW3:2 | Odds Rate | SW3:1 SW3:2OFF OFF 1 2 4 8 12 16 24 32ON ON 1 2 3 5 8 15 30 50 ✱OFF ON 1 2 3 5 10 25 50 100ON OFF 1 2 3 5 10 50 100 200 | 1 2 3 5 8 15 30 50 |
| SW3:3, SW3:4 | Coinage | SW3:3 SW3:4OFF 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 |
| SW3:5, SW3:6 | Minimum Bet | SW3:5 SW3:6OFF OFF 1 ✱ON OFF 2OFF ON 3ON ON 5 | 1 |
| SW3:7 | Payout Mode | OFF Key-out ✱ON Hopper | Key-out |
| SW3:8 | Win A Prize? | OFF Off ✱ON On | Off |
| SW4:1, SW4:2, SW4:3, SW4:4 | Payout Rate | SW4:1 SW4:2 SW4:3 SW4:4ON ON ON ON 50%OFF ON ON ON 53%ON OFF ON ON 56%OFF OFF ON ON 59%ON ON OFF ON 62%OFF ON OFF ON 65%ON OFF OFF ON 68%OFF OFF OFF ON 71% ✱ON ON ON OFF 75%OFF ON ON OFF 78%ON OFF ON OFF 81%OFF OFF ON OFF 84%ON ON OFF OFF 87%OFF ON OFF OFF 90%ON OFF OFF OFF 93%OFF OFF OFF OFF 96% | 71% |
| SW4:5, SW4:6 | Maximum Bet | SW4:5 SW4:6OFF OFF 1ON OFF 5OFF ON 10 ✱ON ON 20 | 10 |
| SW4:7 | Credits Per Note | OFF 5OFF 10OFF 25OFF 50ON 10ON 20ON 50ON 100 ✱ | 100 |
| SW4:8 | Flip Screen | OFF Off ✱ON On | Off |
| SW2:1, SW2:2, SW2:3 | Yakuman Bonus Cycle | SW2:1 SW2:2 SW2:3OFF OFF OFF NoneON OFF OFF First time onlyOFF ON OFF Every 300 coinsON ON OFF Every 500 coins ✱OFF OFF ON Every 700 coinsON OFF ON Every 1000 coins | Every 500 coins |
| SW2:4 | Yakuman Bonuses Per Cycle | OFF 1 ✱ON 2 | 1 |
| SW2:5 | Win Rate? | OFF High ✱ON Low | High |
| SW2:6 | Draw Automatically (Part 4) | OFF Off ✱ON On | Off |
| SW2:7 | Don Den Button | OFF AON Flip Flop ✱ | Flip Flop |
| SW2:8 | Game Type | OFF Part 2ON Part 4 (Choukyuu) ✱ | Part 4 (Choukyuu) |
| SW5:1 | Last Chance | OFF Free ✱ON Paid | Free |
| SW5:2 | Pay Rate? | OFF High ✱ON Low | High |
| SW5:3 | Auto Reach | OFF Off ✱ON On | Off |
| SW5:4 | Double Bet | OFF OffON On ✱ | On |
| SW5:5 | Demo Sounds | OFF OffON On ✱ | On |
| SW5:6 | In-Game Music | OFF OffON On ✱ | On |
| SW5:7 | Gal Select | OFF Off ✱ON On | Off |
| SW5:8 | Girls | OFF OffON On ✱ | On |
| SW1:1 | Unknown | OFF Off ✱ON On | Off |
| SW1:2 | Unknown | OFF Off ✱ON On | Off |