Monster Bash
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Display
Type: raster Vertical
Resolution: 256 x 224
Refresh: 60 Hz
Processors
Zilog Z80 @ 3.867 MHz
NEC uPD7751 @ 6 MHz
Audio
Samples
TMS36XX @ 0.2 kHz
8-Bit R-2R DAC
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 4-way, 1 button
joy, 4-way, 1 button
Components (from manual)
2716 EPROM · Program memory chips on EPROM board
74LS Logic · Various 74LS series logic chips throughout CPU board
Static RAM Memory · Memory chips on CPU board
Various drivers and buffers Interface · Signal conditioning circuits
PCBs (from manual)
Cabinet Wiring 700-0103
Cabinet wiring diagram
Cabinet wiring diagram
CPU Board 800-3278
Main processor board
Main processor board
2716 EPROM Board 800-3277
EPROM memory board
EPROM memory board
G-80 system
SEGA G-80 card cage system with individual boards for separate functions
SEGA G-80 card cage system with individual boards for separate functions
? 151-0060-00
CAP CER .10 UF 16V AX
CAP CER .10 UF 16V AX
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 |
|---|---|---|---|
| SW2:8, SW2:7, SW2:6, SW2:5 | Coin A | SW2:8 SW2:7 SW2:6 SW2:5ON ON ON ON 4 Coins/1 CreditOFF ON ON ON 3 Coins/1 CreditON OFF ON ON 2 Coins/1 CreditOFF ON ON OFF 2 Coins/1 Credit 5/3 6/4ON OFF ON OFF 2 Coins/1 Credit 4/3OFF OFF ON ON 1 Coin/1 Credit ✱OFF OFF ON OFF 1 Coin/1 Credit 5/6ON ON OFF OFF 1 Coin/1 Credit 4/5OFF ON OFF OFF 1 Coin/1 Credit 2/3ON ON OFF ON 1 Coin/2 CreditsON OFF OFF OFF 1 Coin/2 Credits 5/11OFF OFF OFF OFF 1 Coin/2 Credits 4/9OFF ON OFF ON 1 Coin/3 CreditsON OFF OFF ON 1 Coin/4 CreditsOFF OFF OFF ON 1 Coin/5 CreditsON ON ON OFF 1 Coin/6 Credits | 1 Coin/1 Credit |
| SW2:4, SW2:3, SW2:2, SW2:1 | Coin B | SW2:4 SW2:3 SW2:2 SW2:1ON ON ON ON 4 Coins/1 CreditOFF ON ON ON 3 Coins/1 CreditON OFF ON ON 2 Coins/1 CreditOFF ON ON OFF 2 Coins/1 Credit 5/3 6/4ON OFF ON OFF 2 Coins/1 Credit 4/3OFF OFF ON ON 1 Coin/1 Credit ✱OFF OFF ON OFF 1 Coin/1 Credit 5/6ON ON OFF OFF 1 Coin/1 Credit 4/5OFF ON OFF OFF 1 Coin/1 Credit 2/3ON ON OFF ON 1 Coin/2 CreditsON OFF OFF OFF 1 Coin/2 Credits 5/11OFF OFF OFF OFF 1 Coin/2 Credits 4/9OFF ON OFF ON 1 Coin/3 CreditsON OFF OFF ON 1 Coin/4 CreditsOFF OFF OFF ON 1 Coin/5 CreditsON ON ON OFF 1 Coin/6 Credits | 1 Coin/1 Credit |
| SW1:8, SW1:7 | Lives | SW1:8 SW1:7ON ON 3 ✱ON OFF 4OFF ON 5OFF OFF 6 | 3 |
| SW1:6 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| SW1:5, SW1:4 | Difficulty | SW1:5 SW1:4ON ON EasyON OFF Medium ✱OFF ON HardOFF OFF Hardest | Medium |
| SW1:3, SW1:2 | Bonus Life | SW1:3 SW1:2OFF ON 10000ON OFF 20000 ✱OFF OFF 40000ON ON None | 20000 |
| SW1:1 | Infinite Lives (Cheat) | OFF Off ✱ON On | Off |