firewire...and SCSI

Discussion in 'Converters / Interfaces' started by natan666, Apr 3, 2001.

  1. natan666

    natan666 Guest

    well this was originally was a question dealing with a PCI-to-Firewire card, but i got to thinking. if i'm not mistaken, the PCI slot has a transfer rate of 133 or so Mb per second for each slot. i thought i saw a company that advertised firewire PCI card for PC's, advertised with a xfer rate of 400Mb/sec. how can this be? the PCI would bottleneck this to 133, correct? which leads me to PCI SCSI interfaces: would an ultra160 SCSI be capped off at 133 as well?
  2. Opus2000

    Opus2000 Well-Known Member

    Apr 7, 2001
    You are getting two thing mixed up here..Megahrtz vs Megabits...PCI bus has a certain reference many calculations per second..Firewire has a data much information per second..Fire wire can handle 400Megabits per second..roughly 50MB a second..PCI bus can handle that very well especially if you have a 133front side bus...133 Million calculations per second at 32bit..pretty snazy if you ask me!!! Even 100Mhz bus speed is good too!!
    Hope that clears things up for ya

    Opus :roll:
  3. natan666

    natan666 Guest

    thanks for the reply. i understand the difference between FSB and Mb/sec, the firewire specs threw me off with the Mega-BITS vs. Mega-BYTES. i'm going SCSI anyhow.
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