Mahjong Electron Base Dip Switch Settings

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The following are the Dip Switch settings based off of MAME 0.180 source code.

Use this information at your own risk! The information was parsed from the MAME source code and could contain errors as to the state, order or descriptions of what the switches do. If you find an error, please let me know on the Contact Us form and I will work on correcting the issue.

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Mahjong Electron Base

Manufactured by Dynax, Released in 1990

ROM Version: Mahjong Electron Base (parts 2 & 3, alt., Japan)

Dip Switch:FAKE

1	2	3	4	5	6	7	8	Function	Option
On	On	On	On	On	On	On	On	Allow Bets	Off
Off	Off	Off	Off	Off	Off	Off	Off		On*

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
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*

			Off					YAKU times	1*
			On						2

				Off				Win Rate?	High*
				On					Low

					On			Draw New Tile (Part 3 Only)	Automatic
					Off				Manual*

						Off		DonDen Key	A*
						On			Flip Flop

							Off	Subtitle	None (Part 2)
							On		Super Express (Part 3)*

Dip Switch:SW3

1	2	3	4	5	6	7	8	Function	Option
Off	Off							Difficulty?	0*
On	On								1
Off	On								2
On	Off								3

		Off	Off					Coin A	1 Coin/1 Credit*
		On	On						1 Coin/10 Credits
		On	Off						1 Coin/2 Credits
		Off	On						1 Coin/5 Credits

				Off	Off			Min Pay?	1*
				On	Off				2
				Off	On				3
				On	On				5

						On		Allow Coin Out	Off
						Off			On*

							Off	Win A Prize?	Off*
							On		On

Dip Switch:SW4

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			Max Bet	1*
				Off	On				10
				On	On				20
				On	Off				5

						On		Coin B	1 Coin/10 Credits
						Off			1 Coin/5 Credits*

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW5

1	2	3	4	5	6	7	8	Function	Option
On								Last Chance	Off
Off									On*

	Off							Pay Rate?	High*
	On								Low

		Off						Choose Bonus	Off*
		On							On

			On					In-Game Bet?	Off
			Off						On*

				Off				Demo Sounds	Off
				On					On*

					Off			In-Game Music	Off
					On				On*

						Off		Select Girl	Off*
						On			On

							Off	Nudity	No
							On		Yes*

ROM Version: Mahjong Electron Base (parts 2 & 3, Japan)

Dip Switch:FAKE

1	2	3	4	5	6	7	8	Function	Option
On	On	On	On	On	On	On	On	Allow Bets	Off
Off	Off	Off	Off	Off	Off	Off	Off		On*

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
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*

			Off					YAKU times	1*
			On						2

				Off				Win Rate?	High*
				On					Low

					On			Draw New Tile (Part 3 Only)	Automatic
					Off				Manual*

						Off		DonDen Key	A*
						On			Flip Flop

							Off	Subtitle	None (Part 2)
							On		Super Express (Part 3)*

Dip Switch:SW3

1	2	3	4	5	6	7	8	Function	Option
Off	Off							Difficulty?	0*
On	On								1
Off	On								2
On	Off								3

		Off	Off					Coin A	1 Coin/1 Credit*
		On	On						1 Coin/10 Credits
		On	Off						1 Coin/2 Credits
		Off	On						1 Coin/5 Credits

				Off	Off			Min Pay?	1*
				On	Off				2
				Off	On				3
				On	On				5

						On		Allow Coin Out	Off
						Off			On*

							Off	Win A Prize?	Off*
							On		On

Dip Switch:SW4

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			Max Bet	1*
				Off	On				10
				On	On				20
				On	Off				5

						On		Coin B	1 Coin/10 Credits
						Off			1 Coin/5 Credits*

							Off	Flip Screen	Off*
							On		On

Dip Switch:SW5

1	2	3	4	5	6	7	8	Function	Option
On								Last Chance	Off
Off									On*

	Off							Pay Rate?	High*
	On								Low

		Off						Choose Bonus	Off*
		On							On

			On					In-Game Bet?	Off
			Off						On*

				Off				Demo Sounds	Off
				On					On*

					Off			In-Game Music	Off
					On				On*

						Off		Select Girl	Off*
						On			On

							Off	Nudity	No
							On		Yes*