Space Walk
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Display
Type: raster Horizontal
Resolution: 260 x 224
Refresh: 59.54 Hz
Processors
Intel 8080 @ 1.997 MHz
Audio
Discrete Sound
Channels: 1
Controls
Players: 2
Coin slots: 1
rotary
rotary
Components (from manual)
74LS138 IC1 · 3-to-8 line decoder
74LS04 IC2 · Hex inverter
74LS32 IC3 · Quad 2-input OR gate
74LS08 IC4 · Quad 2-input AND gate
74LS74 IC5 · Dual D-type flip-flop
74LS161 IC6 · 4-bit binary counter
74LS244 IC7 · Octal buffer/line driver
74LS245 IC8 · Octal bus transceiver
74LS273 IC9 · Octal D-type flip-flop
74LS175 IC10 · Quad D-type flip-flop
74LS139 IC11 · Dual 2-to-4 line decoder
74LS00 IC12 · Quad 2-input NAND gate
LM340-12 power supply · 12V voltage regulator
2N3055 power supply · Power transistor
1N5624 power supply · Diode
1N4004 power supply · Diode
2N2905 power supply · Transistor
LM305A power supply · Voltage regulator
2N4125 power supply · Transistor
2N4123 power supply · Transistor
XR1A1438 power supply · IC 373
1N4004 power supply · Rectifier diode
PCBs (from manual)
Game Logic Board A084-90700-D640
Main game logic circuit board
Main game logic circuit board
Game Logic Board A084-90700-D640
Main game board with adjustment switches and pots
Main game board with adjustment switches and pots
Power Supply G080-00904F
Power supply board
Power supply board
Mother Board B600080-00900F
Main motherboard
Main motherboard
Game Logic Board A084-90700-D640
Game logic and control board
Game logic and control board
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| C2:1, C2:2 | Game Time | C2:1 C2:2OFF OFF 40 seconds + 20 extendedON OFF 50 seconds + 25 extendedOFF ON 60 seconds + 30 extendedON ON 70 seconds + 35 extendedOFF OFF 40 secondsON OFF 50 secondsOFF ON 60 seconds ✱ON ON 70 seconds | 60 seconds |
| C2:3, C2:4 | Coinage | C2:3 C2:4ON ON 1 Coin per Player ✱OFF ON 1 Coin/1 or 2 PlayersOFF OFF 2 Coins per PlayerON OFF 2 Coins/1 or 2 Players | 1 Coin per Player |
| C2:5, C2:6 | Extended Time At | C2:5 C2:6ON ON None ✱OFF ON 5000ON OFF 6000OFF OFF 7000 | None |
| C2:7 | Springboard Alignment | ON Off ✱OFF On | Off |
| C2:8 | Service Mode | ON Off ✱OFF On | Off |