Frontside Bus (FSB)
Definition - What does Frontside Bus (FSB) mean?
The FSB connects the following components with the CPU:
- System chipset
- System memory
- Graphics card through the northbridge
- Other input/output devices
- PCI cards
Techopedia explains Frontside Bus (FSB)
FSB speed is measured in hertz (Hz) and is often also expressed as a ratio to CPU speed. For example, a processor running at 2.4 GHz with an FSB of 400 MHz would have a CPU to FSB ratio of 6:1.