| A | B |
|---|
| interrupt | lines a device uses to get the attention of the processor |
| DMA | allows devices to bypass the processor |
| I/O Addresses | lines used to allow the CPU to send instructions to the devices |
| CPU clock | tells how fast the CPU can run |
| bus clock | tells how fast information can be transmitted |
| bus mastering | allows devices to read to and write from another device |
| 8-bit bus | maximum clock speed of 4.77 MHz |
| IRQ 0 | system timer |
| IRQ 1 | keyboard |
| IRQ 7 | LPT 1 |
