The name Radu is of Romanian origin. The meaning of Radu is happy. Radu is generally used as a boy's name. It consists of 4 letters and 2 syllables and is pronounced Ra-du.
The Northbridge is the portion of the chipset HUB that connects faster I/O buses (for example, an AGP bus) to the system bus. Northbridge SI also bigger looking then the Southbridge chip. The Southbridge is the HUB that connects to slower I/O buses (for example, An ISA bus) to the system bus.
Southbridge is one of two chipsets commonly referred to as northbridge/southbridge. Northbridge is a chipset controlling the processor, memory, PCI bus, level 2 cache and AGP (accelerated graphics port) functions. The name comes from the original 1991 Intel motherboard design.