INTRODUCTION SYMBOLS & LOGICS USED IN FIREWIRE HISTORY & DEVELOPMENT Briefly layout Firewire specifications Firewire vs. usb FIREWIRE & DIGITAL VIDEO Firewire 400 & 800 in a apple cpu

FireWire is Apple Computer's version of a standard, IEEE 1394, High Performance Serial Bus, for connecting devices to your personal computer.

FireWire provides a single plug-and-socket connection on which up to 63 devices can be attached with data transfer speeds up to 400 Mbps (megabits per second).

Apple intended Firewire to be a serial replacement for the parallel SCSI (Small computer system interface) bus, while also providing connectivity for digital audio & video equipments.

Apple’s development of the original IEEE 1394 was completed in 1995.

There are two levels of interface in IEEE 1394:-

Within the Computer.

Supports 12.5, 25, or 50 Mbps data transfer.

Between devices & computers on serial cable.

Supports 100, 200, or 400 Mbps data transfer.

Firewire 400 (1394 a), was faster than USB when it came out.

Transfer rates of up to 400 Mbps.

Maximum distance between devices is of 4.5 meters (cable length).

Firewire 800 (1394b) started showing up in consumer devices.

Transfer rates up to 800 Mbps. Maximum distance between devices

of up to 100 meters (cable length). The faster 1394b standard is

backward capable with 1394a.

The key difference between Firewire & USB is that Firewire is intended for devices working with a lot more data – things like camcorder, DVD players & digital audio equipments.

Firewire is peer-to-peer, meaning that two firewire cameras can talk to each other without going through a computer.

Firewire really shines when it comes to digital audio applications. When you attach a camcorder to a computer using Firewire, the connection is amazing.

When the camera is connected to computer through Firewire, the camera can send the video in a steady flow to the computer without anything disrupting the process.

We can easily create & edit custom video projects using a fast hard drives, digital camcorder & a computer.