| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |
| s11_bgs | shared/s11c_bg.cpp | | no | yes | no | no | Williams System 11 Background Sound Board | | | | | System / Device |
|
chip
| type | tag | name | clock |
| cpu | :cpu | Motorola MC6809E | 2000000 |
| audio | :dac | MC1408 DAC | |
|
device_ref
| name |
| mc6809e |
| mc1408 |
| pia6821 |
|
sound
|