From LQWiki

A bus is a hardware channel for communication between multiple devices. Also often called a system bus or hardware bus. When it's a channel between only two devices it usually is called a port instead.

Contents 1 Disks/drives 2 Extension slots 3 Universal/plugin 4 Misc.

Disks/drives

• IDE
• SATA
• SCSI/SAS

Extension slots

• ISA/EISA
• MCA
• PCI
• PCI Express
• VESA local bus/VL

Universal/plugin

• PCMCIA
• IEEE 1394 also known as FireWire
• USB

Misc.

• AGP
• Front Side Bus