| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| at_mb | devices/machine/at.cpp | | no | yes | no | no | PC/AT Motherboard | | | | | System / Device |
|
chip
| type | tag | name | clock |
| cpu | :dma8237_1 | AM9517A | 4772727 |
| cpu | :dma8237_2 | AM9517A | 4772727 |
| cpu | :keybc:mcu | Intel 8042AH | 12000000 |
| audio | :mono | Speaker | |
| audio | :speaker | Filtered DAC | |
|
configuration
| name | tag | mask |
| CRT Adapter Switch | :keybc:P1 | 64 |
| Key Lock | :keybc:P1 | 128 |
|
device_ref
| name |
| pit8254 |
| pit_counter |
| pit_counter |
| pit_counter |
| am9517a |
| am9517a |
| pic8259 |
| pic8259 |
| isa16 |
| mc146818 |
| speaker |
| speaker_sound_device |
| at_keybc |
| i8042ah |
|
sound
|