King Derby (1981)
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Display
Type: raster Horizontal
Resolution: 256 x 224
Refresh: 60 Hz
Processors
3x Zilog Z80 @ 3.58 MHz
Audio
AY-3-8910A PSG @ 2.5 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
only_buttons, 15 buttons
only_buttons, 15 buttons
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
Physical switch positions not available for this machine in MAME.
| Setting | Options | Default |
|---|---|---|
| SYSTEM | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Game Type? | Off ✱On | Off |
| POST Check | Off ✱On | Off |
| Reset Backup RAM | Off ✱On | Off |
| HPIO | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| IN1 | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| SYSTEM | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| SYSTEM | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |