Jan Mu
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Display
Type: raster Horizontal
Resolution: 496 x 256
Refresh: 60 Hz
Processors
Hitachi HD647180X MCU @ 16 MHz
Audio
OKI MSM6295 ADPCM @ 1.056 MHz
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 |
|---|---|---|---|
| SW1:1, SW1:2 | Play Time Limit | SW1:1 SW1:2ON ON 16 Seconds ✱OFF ON 13 SecondsON OFF 10 SecondsOFF OFF 7 Seconds | 16 Seconds |
| SW1:3 | Coin Payment | OFF Normal ✱ON Auto | Normal |
| SW1:4, SW1:5, SW1:6 | Bet Min | SW1:4 SW1:5 SW1:6OFF OFF OFF 1 ✱ON OFF OFF 2OFF ON OFF 3ON ON OFF 4OFF OFF ON 5ON OFF ON 6OFF ON ON 8ON ON ON 10 | 1 |
| SW1:7, SW1:8 | Bet Max | SW1:7 SW1:8OFF OFF 5ON OFF 10OFF ON 15ON ON 20 ✱ | 20 |
| SW2:1, SW2:2, SW2:3, SW2:4 | Rate of Win | SW2:1 SW2:2 SW2:3 SW2:4ON ON ON ON 98% ✱OFF ON ON ON 95%ON OFF ON ON 92%OFF OFF ON ON 89%ON ON OFF ON 86%OFF ON OFF ON 83%ON OFF OFF ON 80%OFF OFF OFF ON 77%ON ON ON OFF 74%OFF ON ON OFF 71%ON OFF ON OFF 68%OFF OFF ON OFF 65%ON ON OFF OFF 62%OFF ON OFF OFF 59%ON OFF OFF OFF 56%OFF OFF OFF OFF 53% | 98% |
| SW2:5 | Limit Display | ON NoOFF Yes ✱ | Yes |
| SW2:6, SW2:7, SW2:8 | Credit Limit | SW2:6 SW2:7 SW2:8ON ON ON 50000OFF ON ON 40000ON OFF ON 30000OFF OFF ON 20000ON ON OFF 15000OFF ON OFF 10000ON OFF OFF 5000OFF OFF OFF No Limit ✱ | No Limit |
| SW3:1, SW3:2, SW3:3 | Key In Coinage | SW3:1 SW3:2 SW3:3ON ON ON 1 Coin/500 CreditsOFF ON ON 1 Coin/200 CreditsON OFF ON 1 Coin/100 CreditsOFF OFF ON 1 Coin/50 CreditsON ON OFF 1 Coin/25 CreditsOFF ON OFF 1 Coin/20 CreditsON OFF OFF 1 Coin/10 CreditsOFF OFF OFF 1 Coin/5 Credits ✱ | 1 Coin/5 Credits |
| SW3:4, SW3:5, SW3:6, SW3:7 | Coinage | SW3:4 SW3:5 SW3:6 SW3:7OFF OFF OFF OFF 10 Coins/1 CreditON OFF OFF OFF 5 Coins/1 CreditOFF ON OFF OFF 5 Coins/2 CreditsON ON OFF OFF 4 Coins/1 CreditOFF OFF ON OFF 3 Coins/1 CreditON OFF ON OFF 2 Coins/1 CreditON ON ON OFF 1 Coin/1 Credit ✱OFF ON ON OFF 3 Coins/4 CreditsOFF OFF OFF ON 1 Coin/2 CreditsON OFF OFF ON 1 Coin/4 CreditsOFF ON OFF ON 1 Coin/5 CreditsON ON OFF ON 1 Coin/10 CreditsOFF OFF ON ON 1 Coin/20 CreditsON OFF ON ON 1 Coin/25 CreditsOFF ON ON ON 1 Coin/50 CreditsON ON ON ON 1 Coin/100 Credits | 1 Coin/1 Credit |
| SW3:8 | Unused | OFF Off ✱ON On | Off |
| SW4:1 | Odds Type | OFF A ✱ON B | A |
| SW4:2 | Special Bonus Odds | OFF A ✱ON B | A |
| SW4:3 | Kind Mark of Back | ON No ✱OFF Yes | No |
| SW4:4 | Nudity | ON NoOFF Yes ✱ | Yes |
| SW4:5 | BGM | ON NoOFF Yes ✱ | Yes |
| SW4:6 | Voice | ON NoOFF Yes ✱ | Yes |
| SW4:7 | Double Up Game | ON NoOFF Yes ✱ | Yes |
| SW4:8 | Double Up Limit | OFF 6 ✱ON No Limit | 6 |