This is part of a chipset in a PC that controls communications between the ISA bus, IDE controller, BIOS, USB, power control, and PS/2 ports. See also northbridge. You must pair a northbridge and southbridge chip to create a full chipset.
Refers to the Peripheral Bus Controller component of a Pentium chipset, responsible for implementing a PCI-to-ISA bridge function and for managing the ISA bus and all the ports. See also Northbridge.
a chipset that manages the basic forms of input/output (I/O) such as Universal Serial Bus (USB), serial, audio, integrated drive electronics (IDE), and PCI bus in a computer-based system