ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Alien Syndrome (set 4, System 16B, unprotected)

Sega · 1987 · raster Horizontal · 2P · joy · aliensyn

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Display

Type: raster Horizontal
Resolution: 320 x 224
Refresh: 60.05 Hz

Processors

Motorola MC68000 @ 10 MHz
Zilog Z80 @ 5 MHz

Audio

YM2151 OPM @ 4 MHz
NEC uPD7759 @ 640 kHz
Netlist Sound Device
Channels: 1

Controls

Players: 2
Coin slots: 2
joy, 8-way, 3 buttons
joy, 8-way, 3 buttons

DIP Switch Settings

Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more

SwitchSettingOptionsDefault
SW1:1, SW1:2, SW1:3, SW1:4Coin ASW1:1 SW1:2 SW1:3 SW1:4OFF OFF OFF ON 4 Coins/1 CreditON ON ON OFF 3 Coins/1 CreditOFF ON ON OFF 2 Coins/1 CreditOFF ON OFF ON 2 Coins/1 Credit, 5/3, 6/4ON ON OFF ON 2 Coins/1 Credit, 4/3OFF OFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON ON 1 Coin/1 Credit, 5/6ON OFF ON ON 1 Coin/1 Credit, 4/5OFF ON ON ON 1 Coin/1 Credit, 2/3ON OFF OFF ON 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON OFF ON OFF 1 Coin/6 CreditsON ON ON ON Free Play (if Coin B too) or 1/11 Coin/1 Credit
SW1:5, SW1:6, SW1:7, SW1:8Coin BSW1:5 SW1:6 SW1:7 SW1:8OFF OFF OFF ON 4 Coins/1 CreditON ON ON OFF 3 Coins/1 CreditOFF ON ON OFF 2 Coins/1 CreditOFF ON OFF ON 2 Coins/1 Credit, 5/3, 6/4ON ON OFF ON 2 Coins/1 Credit, 4/3OFF OFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON ON 1 Coin/1 Credit, 5/6ON OFF ON ON 1 Coin/1 Credit, 4/5OFF ON ON ON 1 Coin/1 Credit, 2/3ON OFF OFF ON 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON OFF ON OFF 1 Coin/6 CreditsON ON ON ON Free Play (if Coin A too) or 1/11 Coin/1 Credit
SW2:1UnusedOFF Off ✱ON OnOff
SW2:2Demo SoundsOFF OffON On ✱On
SW2:3, SW2:4LivesSW2:3 SW2:4ON OFF 2OFF OFF 3 ✱OFF ON 4ON ON Free Play3
SW2:5, SW2:6TimerSW2:5 SW2:6ON ON 120OFF ON 130ON OFF 140OFF OFF 150 ✱150
SW2:7, SW2:8DifficultySW2:7 SW2:8ON OFF EasyOFF OFF Normal ✱OFF ON HardON ON HardestNormal