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Dip switches used by this game
Mahjong If...? [BET]
Manufactured by
Dynax,
Released in
1990
ROM Version:
Mahjong If...? [BET]
Dip Switch:
DSW3
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 3-0
Off*
On
On
Off
Unknown 3-1
Off*
On
On
Off
F-Rate
Off*
On
On
Off
Unknown 3-3
Off*
On
On
Off
Bye-Byte Bonus
Off*
On
On
Off
Unknown 3-5
Off*
On
On
Off
Auto-Mode After Reached
Off*
On
On
Off
Background Color
Black*
On
Blue
Dip Switch:
DSW4
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 4-0
Off*
On
On
Off
Unknown 4-1
Off*
On
On
Off
Unknown 4-2
Off*
On
On
Off
Flip-Flop
Off*
On
On
On
Demo Sounds
Off
Off
On*
Off
Flip Screen
Off*
On
On
Off
Animation
Off*
On
On
Off
Full Tests
Off*
On
On
Dip Switch:
PORT3_5
1
2
3
4
5
6
7
8
Function
Option
On
On
On
On
Pay Out Rate
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%
Off
Off
Maximum Bet
1
Off
On
10
On
On
20*
On
Off
5
Off
Off
Unknown
1*
On
Off
2
Off
On
3
On
On
4
Dip Switch:
PORT6_7
1
2
3
4
5
6
7
8
Function
Option
Off
On
Winnings
100 50 25 10 5 3 2 1
On
Off
200 100 50 10 5 3 2 1
Off
Off
32 24 16 12 8 4 2 1*
On
On
50 30 15 8 5 3 2 1
On
Credits Per Note
10
Off
5*
On
Off
Off
YAKUMAN Bonus
1 T
On
Off
On
1000
Off
On
On
1000?
On
On
On
1000?
Off
On
Off
300
On
On
Off
500
Off
Off
On
700
Off
Off
Off
Cut*
On
Unknown
1
Off
2*
On
1/4
Off
2/4*
ROM Version:
Mahjong If...? [BET](2921)
Dip Switch:
DSW3
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 3-0
Off*
On
On
Off
Unknown 3-1
Off*
On
On
Off
F-Rate
Off*
On
On
Off
Unknown 3-3
Off*
On
On
Off
Bye-Byte Bonus
Off*
On
On
Off
Unknown 3-5
Off*
On
On
Off
Auto-Mode After Reached
Off*
On
On
Off
Background Color
Black*
On
Blue
Dip Switch:
DSW4
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 4-0
Off*
On
On
Off
Unknown 4-1
Off*
On
On
Off
Unknown 4-2
Off*
On
On
Off
Flip-Flop
Off*
On
On
On
Demo Sounds
Off
Off
On*
Off
Flip Screen
Off*
On
On
Off
Animation
Off*
On
On
Off
Full Tests
Off*
On
On
Dip Switch:
PORT3_5
1
2
3
4
5
6
7
8
Function
Option
On
On
On
On
Pay Out Rate
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%
Off
Off
Maximum Bet
1
Off
On
10
On
On
20*
On
Off
5
Off
Off
Unknown
1*
On
Off
2
Off
On
3
On
On
4
Dip Switch:
PORT6_7
1
2
3
4
5
6
7
8
Function
Option
Off
On
Winnings
100 50 25 10 5 3 2 1
On
Off
200 100 50 10 5 3 2 1
Off
Off
32 24 16 12 8 4 2 1*
On
On
50 30 15 8 5 3 2 1
On
Credits Per Note
10
Off
5*
On
Off
Off
YAKUMAN Bonus
1 T
On
Off
On
1000
Off
On
On
1000?
On
On
On
1000?
Off
On
Off
300
On
On
Off
500
Off
Off
On
700
Off
Off
Off
Cut*
On
Unknown
1
Off
2*
On
1/4
Off
2/4*
ROM Version:
Mahjong If...? [BET](2931)
Dip Switch:
DSW3
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 3-0
Off*
On
On
Off
Unknown 3-1
Off*
On
On
Off
F-Rate
Off*
On
On
Off
Unknown 3-3
Off*
On
On
Off
Bye-Byte Bonus
Off*
On
On
Off
Unknown 3-5
Off*
On
On
Off
Auto-Mode After Reached
Off*
On
On
Off
Background Color
Black*
On
Blue
Dip Switch:
DSW4
1
2
3
4
5
6
7
8
Function
Option
Off
Unknown 4-0
Off*
On
On
Off
Unknown 4-1
Off*
On
On
Off
Unknown 4-2
Off*
On
On
Off
Flip-Flop
Off*
On
On
On
Demo Sounds
Off
Off
On*
Off
Flip Screen
Off*
On
On
Off
Animation
Off*
On
On
Off
Full Tests
Off*
On
On
Dip Switch:
PORT3_5
1
2
3
4
5
6
7
8
Function
Option
On
On
On
On
Pay Out Rate
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%
Off
Off
Maximum Bet
1
Off
On
10
On
On
20*
On
Off
5
Off
Off
Unknown
1*
On
Off
2
Off
On
3
On
On
4
Dip Switch:
PORT6_7
1
2
3
4
5
6
7
8
Function
Option
Off
On
Winnings
100 50 25 10 5 3 2 1
On
Off
200 100 50 10 5 3 2 1
Off
Off
32 24 16 12 8 4 2 1*
On
On
50 30 15 8 5 3 2 1
On
Credits Per Note
10
Off
5*
On
Off
Off
YAKUMAN Bonus
1 T
On
Off
On
1000
Off
On
On
1000?
On
On
On
1000?
Off
On
Off
300
On
On
Off
500
Off
Off
On
700
Off
Off
Off
Cut*
On
Unknown
1
Off
2*
On
1/4
Off
2/4*
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