the lines on a mother board
The main bus on the motherboard is the control bus. The control bus is used by the Central Processing Unit to monitor and direct the actions of the other functional areas of the computer.
front side Bus...(FSB) or System Bus
IRQ
address bus
The SM Bus Controller, or System Management Bus, is installed on the motherboard. It was developed by Intel. It varies on the specific place according to the motherboard.
A motherboard can have more than one bus and each using a different protocols.
Host Adapter
data bus, system bus and host bus.
System Bus or Front side bus
computer bus types&function
What is the latest motherboard with phone line interface?
if you're asking about the bus i think you're asking, on the motherboard. if you want a more specific answer, i need to know which motherboard you're talking about.