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400MBits/sec = 50MB/sec ????
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Mac Elite
Join Date: Jan 2001
Status:
Offline
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Is this right? Does 400MBits/sec = 50MBytes/sec?
Need to know. I have couple GBs of data to transfer and I was wondering how fast a FireWire cable could transfer data.
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"Last time the French asked for more evidence, it rolled through France with a German flag." - David Letterman
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Wetsponge
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that's the theroretical maximum throughput of the firewire protocol, but that's rarely reached. needless to say, it's blazing, very nice.
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Mac Elite
Join Date: Feb 2000
Location: Upstate NY (cow country)
Status:
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But any firewire hard drive has a max of 16.6 mbytes/sec because the firewire to ATA chip used can only go that fast. Just the past couple of days was a new version of the chip announced that can reach the firewire limit (assuming the hard drive can transfer that fast). This will be in firewire HD cases starting (hopefully) next month. So right now, you can transfer at 16.6 MB/sec or 132.8 Mb/sec max.
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"Destroy your ego. Trust your brain. Destroy your beliefs. Trust your divinity." -Danny Carey
MacPro Quad 2.66, G4 MDD dual 867, 23" Cinema Display and 17" LCD, G4 Quicksilver dual 800, 12" Powerbook 867, iMac 300 Grape, B&W G3/300 with G4/450 running yellowdog, iPod 5GB, iPod mini, PowerCenter 150, Powercenter 132 tower, Performa 6116, Quadra 700, MacSE, LC II, eMate 300
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Wetsponge
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I recently did a Firewire Target Disk Mode transfer from my friend's slot-loader iMac, very cool feature. nice and fast, much faster than 100Mb ethernet
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Mac Enthusiast
Join Date: Oct 2000
Location: Vancouver BC Canada eh!
Status:
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Is this right? Does 400MBits/sec = 50MBytes/sec?
Yes, there is 8 Mb in every 1 MB.
bit Byte
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Later
Chuck
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Forum Regular
Join Date: Oct 2000
Location: WA
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Originally posted by Wetsponge:
I recently did a Firewire Target Disk Mode transfer from my friend's slot-loader iMac, very cool feature. nice and fast, much faster than 100Mb ethernet
Would you explain?
Thanks,
Mike
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Mac Elite
Join Date: Mar 2001
Location: Minneapolis, MN
Status:
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Wetsponge
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FTD mode basically turns the host computer into a ghost hard drive that the target computer sees on the desktop. only certain machines can boot into FTD mode, but all firwire equpped Macs can see FTD moded macs.
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Clinically Insane
Join Date: Apr 2000
Status:
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You're also limited by your hard drives speed, but in the case of the ATA chip limitation that probably isn't a problem.
Get a nice super parity raid array of 15000 rpm cheetahs using Ultra320 SCSI...
Ultra320 to FireWire is like FireWire to USB.
Wow. Ultra320 is what, 2560 Mb/s...
Off topic, I know, but oh well.
------------------
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Fresh-Faced Recruit
Join Date: Apr 2001
Location: Cheshire, CT, USA
Status:
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Yeah, Ultra 320 is great and all, but prohibitavely expensive for the average home consumer, but great for video editing, you can never have enough fast huge hard drives for that.
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"real geeks use text editors"
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