1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Peripherals Firewire 800 - 400 adaptor?

Discussion in 'Hardware' started by bennifer, 15 Oct 2008.

  1. bennifer

    bennifer New Member

    Joined:
    26 May 2004
    Posts:
    322
    Likes Received:
    0
    Hey, just got my new Macbook Pro today. Very very nice machine! It of course has changed to have only the firewire 800 port on the side. I've got a firewire 400 Presonus Firepod audio interface that I still need to use, was wondering if its possible to get a little converter dongley thing that plugs into my 800 port and lets you plug a standard 400 lead into it? Or anywhere that does cheap 800-400 leads?

    Cheers for any help!
     
  2. Nikumba

    Nikumba Member

    Joined:
    29 Aug 2001
    Posts:
    656
    Likes Received:
    11
  3. bennifer

    bennifer New Member

    Joined:
    26 May 2004
    Posts:
    322
    Likes Received:
    0
    Looks that way - how does firewire technology work then, do they just step down to 400 once you lose those 3 extra pins?
     
  4. NoahFuLing

    NoahFuLing New Member

    Joined:
    18 Jun 2005
    Posts:
    436
    Likes Received:
    0
    In Firewire, 2 pins are for power and power alone. That's why you see 4-pin and 6-pin Firewire400. The other 4 pins are the Firewire400 data pins, creating the IEEE1394a standard. In Firewire800/1600/3200, three more pins are added. When the pins are present (both devices are Firewire800/1600/3200), then the data is transferred at the faster speeds, depending on what chipset each side has, making IEEE1394b. Since the original 6 pins are still present, if the other three pins are not detected on either end, then it merely reverts back to the IEEE1394a standard. I'm sure someone can write a much more technical and detailed report, but that's the basics.
     
  5. GreatOldOne

    GreatOldOne Wannabe Martian

    Joined:
    29 Jan 2002
    Posts:
    12,092
    Likes Received:
    112
  6. Firehed

    Firehed Why not? I own a domain to match.

    Joined:
    15 Feb 2004
    Posts:
    12,574
    Likes Received:
    16
    Basically, yeah. I don't think it's quite that simple, but using an 800-400 cable will allow the host to figure out what it needs to.

    I don't know if there's a UK equivalent of Monoprice, but if so that would be a good place to look.
     
  7. bennifer

    bennifer New Member

    Joined:
    26 May 2004
    Posts:
    322
    Likes Received:
    0
    Cheers guys. Theres a few on ebuyer and amazon so i'll pop an order in tomorrow :) Its a shame there isnt just a little converter lead thing, as I have 5 or so 6-6pin leads that are now wasted...
     
  8. NoahFuLing

    NoahFuLing New Member

    Joined:
    18 Jun 2005
    Posts:
    436
    Likes Received:
    0
  9. bennifer

    bennifer New Member

    Joined:
    26 May 2004
    Posts:
    322
    Likes Received:
    0
    ooh - just like those! any uk dealers that do them!?
     
  10. NoahFuLing

    NoahFuLing New Member

    Joined:
    18 Jun 2005
    Posts:
    436
    Likes Received:
    0
  11. Clipperz

    Clipperz New Member

    Joined:
    17 Oct 2008
    Posts:
    3
    Likes Received:
    0
    Cool, did anyone take notice of this on the Shaggymac site:
    http://www.shaggymac.com/index.php?main_page=product_info&cPath=3_4&products_id=82

    The adapters will have to do for now. not as clean as I would prefer.
     

Share This Page