What is an ISA Single Board Computer?

Like the PCI single board computer (SBC), the ISA single board computer is also referred to as a half size SBC. The difference is that the ISA SBC has ISA contacts whereas the PCI SBC has PCI contacts. Also when the ISA SBC is connected to the ISA backplane it creates an 8 or 16 bit bus. The PCI creates a 32 bit bus. The ISA single board computer is a processor board which requires an ISA backplane to connect to. It has some basic functionality including video, USB, COM, and LAN ports. These boards are mainly used within industrial PCs due to the fact that they require a backplane. Since ISA is an older technology than the PCI it typically uses older processors such as the VIA Eden, VIA C3, AMD Geode GX1, as well as 386 and 486 processors.

Since the ISA board is typically used within an industrial computer, it is best suited for applications such as industrial automation, factory automation, telecommunication, instrumentation, CNC Machines, Man Machine Interface, CTI (Computer Telephony Integration), and DVR (Digital Video Recorder)

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