Portable computer having dedicated register group and peripheral controller bus between system bus and peripheral controller

摘要

There is provided a computer system having a system bus (11), a processor (21) coupled to the system bus and a power supply controller (46). The system further comprises a function expansion bus (14) coupled to the power supply controller, the power supply controller transferring data through the function expansion bus, and a further controller (26) coupled to the processor (21) through the system bus and to the power supply controller (46) through the function expansion bus (14), for receiving the data transferred from the power supply controller and issuing an interrupt signal to the processor (21). <IMAGE>