Swimmer (set 1)
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Display
Type: raster Horizontal
Resolution: 256 x 224
Refresh: 60.57 Hz
Processors
Zilog Z80 @ 3.072 MHz
Zilog Z80 @ 2 MHz
Audio
AY-3-8910A PSG @ 2 MHz
AY-3-8910A PSG @ 2 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 1 button
joy, 8-way, 1 button
Components (from manual)
Z80 CPU · Main processor
2716 Memory · EPROM
2114 Memory · Static RAM
74LS00 Logic · Quad NAND gate
74LS04 Logic · Hex inverter
74LS08 Logic · Quad AND gate
74LS10 Logic · Triple NAND gate
74LS32 Logic · Quad OR gate
74LS74 Logic · Dual D flip-flop
74LS138 Logic · 3-to-8 decoder
74LS139 Logic · Dual 2-to-4 decoder
74LS157 Logic · Quad 2-to-1 multiplexer
74LS174 Logic · Hex D flip-flop
74LS244 Logic · Octal buffer
74LS245 Logic · Octal bus transceiver
74LS273 Logic · Octal D flip-flop
2532 Memory · EPROM
AY-3-8910 Custom · Sound generator
74LS86 Logic · Quad XOR gate
74LS161 Logic · 4-bit counter
74LS194 Logic · 4-bit shift register
PCBs (from manual)
SK-4 CPU
Main CPU board
Main CPU board
SK-5
Secondary board
Secondary board
PCB ASSY HT018
Additional PCB assembly
Additional PCB assembly
P.C.B. ASS'Y A 102-401
Main PCB Assembly A
Main PCB Assembly A
P.C.B. ASS'Y B 102-402
Main PCB Assembly B
Main PCB Assembly B
PSR-5110 Switching Power Supply #50350006
Switching power supply unit
Switching power supply unit
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 |
|---|---|---|---|
| SW A:1, SW A:2 | Lives | SW A:1 SW A:2ON ON 3 ✱OFF ON 4ON OFF 5OFF OFF Infinite (Cheat) | 3 |
| SW A:3, SW A:4 | Bonus Life | SW A:3 SW A:4ON ON 10000 ✱OFF ON 20000ON OFF 30000OFF OFF None | 10000 |
| SW A:5, SW A:6 | Coin A | SW A:5 SW A:6OFF ON 2 Coins/1 CreditON ON 1 Coin/1 Credit ✱ON OFF 1 Coin/2 CreditsOFF OFF 1 Coin/3 Credits | 1 Coin/1 Credit |
| SW A:7, SW A:8 | Coin B | SW A:7 SW A:8ON ON 1 Coin/1 Credit ✱OFF ON 1 Coin/2 CreditsON OFF 1 Coin/3 CreditsOFF OFF 1 Coin/6 Credits | 1 Coin/1 Credit |
| SW B:1 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| SW B:2 | Demo Sounds | ON OffOFF On ✱ | On |
| SW B:3, SW B:4 | Difficulty | SW B:3 SW B:4ON ON Easy ✱OFF ON HardON OFF HarderOFF OFF Hardest | Easy |