ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Laguna Racer

Midway · 1977 · raster Vertical · 1P · rotary/pedal · lagunar

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Display

Type: raster Vertical
Resolution: 260 x 224
Refresh: 59.54 Hz

Processors

Intel 8080 @ 1.997 MHz

Audio

Netlist Sound Device
Channels: 1

Controls

Players: 1
Coin slots: 1
rotary
pedal, 1 button

Components (from manual)

74LS00 Logic · NAND gates
74LS04 Logic · Hex inverter
74LS08 Logic · AND gates
74LS32 Logic · OR gates
74LS74 Logic · Dual D flip-flop
74LS138 Logic · 3-to-8 decoder
74LS157 Logic · Quad 2-to-1 multiplexer
74LS161 Logic · 4-bit counter
74LS194 Logic · 4-bit shift register
74LS244 Logic · Octal buffer
74LS273 Logic · Octal D flip-flop
74LS283 Logic · 4-bit adder
74LS374 Logic · Octal D flip-flop
74LS393 Logic · Dual 4-bit counter
2101 Logic · Static RAM
2114 Logic · 1K x 4 Static RAM
74LS10 Logic · Triple 3-input NAND gates
74LS20 Logic · Dual 4-input NAND gates
74LS74 Logic · Dual D flip-flops
74LS86 Logic · XOR gates
74LS153 Logic · Dual 4-to-1 multiplexer
74LS161 Logic · 4-bit binary counter
74LS174 Logic · Hex D flip-flops
74LS193 Logic · 4-bit up/down counter
74LS373 Logic · Octal latch
2114 Memory · 1Kx4 Static RAM
82S123 PROM · Programmable ROM

PCBs (from manual)

Game Logic A084-90700-A622
Main game logic board
Game Logic A082-90700-B622
Main game logic board
Game Logic Board A084-90700-A622 or A084-90700-B622
Contains master volume control, coin/time/extended play adjustment switches
Power Supply Board P.C. 0080-00904D
Contains voltage control pot preset at factory
Mother Board BC-0090-00900
Main board
Game Logic Board A084-90700-A622
Game logic PCB

DIP Switch Settings

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

SwitchSettingOptionsDefault
E3:1, E3:2CoinageE3:1 E3:2ON OFF 2 Coins/1 CreditON ON 1 Coin/1 Credit ✱OFF OFF 3 Coins/4 CreditsOFF ON 1 Coin/2 Credits1 Coin/1 Credit
E3:3, E3:4Game TimeE3:3 E3:4ON ON 45 seconds + 22 extendedOFF ON 60 seconds + 30 extendedON OFF 75 seconds + 37 extendedOFF OFF 90 seconds + 45 extendedON ON 45 secondsOFF ON 60 seconds ✱ON OFF 75 secondsOFF OFF 90 seconds60 seconds
E3:5, E3:6Extended Time AtE3:5 E3:6OFF ON 2.00ON ON 2.50 ✱ON OFF None2.50
E3:5, E3:6Extended Time AtE3:5 E3:6ON ON 350OFF ON 400ON OFF 450 ✱OFF OFF 500450
E3:7, E3:8Test Modes/Extended TimeE3:7 E3:8ON ON Off ✱OFF ON RAM/ROM TestON OFF Input TestOFF OFF No Extended TimeOff