1 chip northbridge
/intel
/i440bx # Northbridge
2 device domain
0 on # PCI domain
3 chip southbridge
/intel
/i82371eb # Southbridge
4 register
"gpo" = "0x67ffbfff" # GPIO
: This value sets GPIOs
27,28 to expose HWM
5 device pci
4.0 on # ISA bridge
6 chip superio
/winbond
/w83977tf # Super I
/O
7 device pnp
3f0.a off
end # ACPI