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#299206 - 12/06/2007 06:35
Re: how fast do drives copy to each other in the player?
[Re: drakino]
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carpal tunnel
Registered: 13/07/2000
Posts: 4181
Loc: Cambridge, England
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Quote: Maximum best the ISA connected IDE controller could do would be 16MB/s. Halving that to account for both drives on the same bus, and overhead, and you are probably looking at 5MB/s at best. So a minimum of 9 hours for 160 gigs.
IIRC we don't achieve anything like that. Memory-to-disk bandwidth is 4MB/s, half that is 2MB/s, which is only 2.5 times faster than doing it over Ethernet. 160GB would be 80,000 seconds or about a day.
You can do a lot better with a USB-to-IDE doobrie and doing the copy via a Linux PC. Those probably hit 20MB/s unless your drives are really old.
Peter
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