Alien Syndrome Dip Switch Settings

Contributors
Contributors
- Contributor Account
- Sign Up
On-Line Databases
On-Line Databases
Main
Main
Education
Education
My Restorations
My Restorations
- Restorations
- Conversions
Restoring Games
Restoring Games
Repairing Games
Repairing Games
Resources
Resources
Miscellaneous
Miscellaneous

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.

Looking for a different game? Use the Browse Games page!

Alien Syndrome

Manufactured by Sega, Released in 1987

ROM Version: Alien Syndrome (Mega-Tech, SMS based)

Dip Switch:BIOS_DSW0

1	2	3	4	5	6	7	8	Function	Option
Off								Coin slot 4	Accept*
On									Inhibit

	Off							Coin slot 3	Accept*
	On								Inhibit

		Off	Off	Off				Coin slot 3/4 value	1 Coin/1 Credit*
		On	On	On					1 Coin/10 credits
		On	Off	Off					1 Coin/2 Credits
		Off	On	Off					1 Coin/3 Credits
		On	On	Off					1 Coin/4 Credits
		Off	Off	On					1 Coin/5 Credits
		On	Off	On					1 Coin/6 Credits
		Off	On	On					1 Coin/8 Credits

					On	Off	On	Coin slot 2 value	1 Coin/1 Credit
					Off	Off	On		1 Coin/2 Credits*
					On	On	Off		1 Coin/3 Credits
					Off	On	Off		1 Coin/4 Credits
					On	Off	Off		1 Coin/5 Credits
					Off	Off	Off		1 Coin/6 Credits
					Off	On	On		2 Coins/1 Credit
					On	On	On		Inhibit

Dip Switch:BIOS_DSW1

1	2	3	4	5	6	7	8	Function	Option
Off	On	On	On					Coin Slot 1 value	1 Coin/1 Credit*
On	Off	On	Off						1 coin/10 credits
Off	Off	On	Off						1 coin/11 credits
On	On	Off	Off						1 coin/12 credits
Off	On	Off	Off						1 coin/13 credits
On	Off	Off	Off						1 coin/14 credits
Off	Off	Off	Off						1 coin/15 credits
On	Off	On	On						1 Coin/2 Credits
Off	Off	On	On						1 Coin/3 Credits
On	On	Off	On						1 Coin/4 Credits
Off	On	Off	On						1 Coin/5 Credits
On	Off	Off	On						1 Coin/6 Credits
Off	Off	Off	On						1 Coin/7 Credits
On	On	On	Off						1 Coin/8 Credits
Off	On	On	Off						1 Coin/9 Credits
On	On	On	On						Inhibit

				Off	Off	Off	Off	Time per credit	0:30
				On	Off	Off	Off		1:00
				Off	On	Off	Off		1:30
				On	On	Off	Off		2:00
				Off	Off	On	Off		2:30
				On	Off	On	Off		3:00*
				Off	On	On	Off		3:30
				On	On	On	Off		4:00
				Off	Off	Off	On		4:30
				On	Off	Off	On		5:00
				Off	On	Off	On		5:30
				On	On	Off	On		6:00
				Off	Off	On	On		6:30
				On	Off	On	On		7:00
				Off	On	On	On		7:30
				On	On	On	On		Free Play

Dip Switch:BIOS_IN0

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

Dip Switch:BIOS_J1

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

	Off							Unknown	Off*
	On								On
		Off							Off*
		On							On
			Off						Off*
			On						On
				Off					Off*
				On					On
					Off				Off*
					On				On
						Off			Off*
						On			On
							Off		Off*
							On		On

ROM Version: Alien Syndrome (set 1, Japan, old, System 16A, FD1089A 317-0033)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 2, System 16A, FD1089A 317-0033)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 3, System 16B, FD1089A 317-0033)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 4, System 16B, unprotected)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 5, System 16A, FD1089B 317-0037)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 6, Japan, new, System 16B, FD1089A 317-0033)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	150
				Off	On				160
				On	Off				170
				Off	Off				180*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*

ROM Version: Alien Syndrome (set 7, System 16B, MC-8123B 317-00xx)

Dip Switch:SW2

1	2	3	4	5	6	7	8	Function	Option
	Off							Demo Sounds	Off
	On								On*

		On	Off					Lives	2
		Off	Off						3*
		Off	On						4
		On	On						Free Play

				On	On			Timer	120
				Off	On				130
				On	Off				140
				Off	Off				150*

						On	Off	Difficulty	Easy
						Off	On		Hard
						On	On		Hardest
						Off	Off		Normal*