just wondering why does apple supply firewire ports on all their comps including laptops, because these days I can't find anything that has firewire ports that I will use everyday ie. flash disc, HD, mouse etc.
I know there's somewhere a 2.5" HD firewire case available but I already have a USB case for an external, and it would probably be more expensive to get it. What do you guys use firewire ports for?
The only USB thing I have is a mouse. I use the following firewire devices:
- Firewire 800 hard drives. A bunch of them. Way
way faster than USB. Even Firewire 400 is much faster than USB. USB is so slow, I refuse to use any USB hard drives, the performance just sucks too much.
- Firewire 800 memory card reader for my digital camera.
- Firewire 400 DVD-RW optical drive.
- Firewire 400 flat bed scanner. Firewire scanners are WAY faster than USB scanners.
- Firewire 400 audio interface. "sound card" you could call it, but it's a recording studio device with a mixer and tons of inputs and outputs.
- Firewire 400 mini-DV camcorder. My camcorder has both firewire and usb. Over firewire it can do real-time video hooked to your computer. On USB, it cannot. It can only do still-photos using USB.
Nearly all professional grade audio video equipment uses Firewire. Aside from being a much faster interface, firewire also is
isochronous - that means the bus timing and latency is guaranteed - which is critical to real-time editing. If you can't depend on the timing of the bus, you can't do real-time editing. This is also why most camcorders have firewire interfaces.
Also Firewire is awesome for laptops, since it provides more than
triple the amount of bus power that USB does. I can run THREE big fast 500 gb 7200 rpm hard drives all bus powered off of a single firewire port. You can't even run one 7200 rpm hard drive off of a USB port, it simply doesn't provide enough bus power.
All Apple laptops also support
Target Disk Mode (hold the 't' key during power-on). This allows you to plug your laptop to another computer using firewire interface, and the other computer sees your laptop as an external hard drive! No peecee has this feature, it is unique to the Mac. Very handy for moving data around, and also for the Apple Migration Assistant to move all your stuff to a newer machine.
Another reason Firewire is so much faster and better than USB, is that firewire operates in
DMA mode, just like SATA (and eSata). That means the firewire chipset has direct memory access, and handles all the processing associated with moving large amounts of data. Huge data transfers over firewire don't place any load at all on your computer's CPU!! On the other hand, USB does not use DMA mode, and all data transfers must go through the system CPU. This slows everything down, and really kills your multi-tasking performance when moving large files around.
USB was originally designed as a replacement for simple serial devices - keyboards, mice, and joysticks. That is about all that its good for. For any bulk data transfer, Firewire is a far better choice, and way faster in every measure.