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Sata II jumper selections

Would like to know where to place the jumper on seagate sata II 500gb 32 mb for best performane as on it displays 2 positions, 1 for 1.5 gb and 1 for 3.0gb.
Not sure if removing it will be if not same as any above.

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  • hybrid1001 Mar 20, 2008

    Not sure if removing it will be if not same as any above.

    That is as it depics on the unit but some how have displaced the jumper.
    Would it still work and how?
    If any can tell me

  • hybrid1001 Mar 22, 2008

    Actualy recorrecting the above as:
    with jumper on in one position enables the 1.5 gb mode as with it off
    enables the 3.0 gbs mode.
    Wondering what could other combinations be as there are 4 pins, and the jumper is a 2 pin, meaning 4 possible modes:

    jumper place on the 2 right=1.5 gbs
    jumper removed=3.0 gbs
    jumper placed on the two middle= does not say
    jumper placed on the 2 left=does not say
    If only the 2 modes for it useable then there would only be the 2 pins (jumper on and jumper off)
    Really would like to know what are the other two combinations for it as it does not say.


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If the majority of hte actual data transfers are small, you won't see significant difference. The 3 GB position is to enable higher transfer rates which will only be noticed when transferring large amounts of data at a time. If you are doing video processing the higher rate should provide better overall performance.

Posted on Mar 20, 2008

  • ABRsvcs Mar 23, 2008

    All drives controllers are created with expansion in mind as the time for development and testing is long. There are often changes in technology that can significantly change what is available. In this case, perhaps there are soime drives in development that can transfer at higher rates. The extra options will have no effect on the existing drive, but leave expansion capabilities for future ones.

    One other possibility (probably the correct one for this case) is that the 4 pin jumper selection part is less money and easier for automatic parts injection machines.

    Only a rep for the drive manufacturer will know for sure.



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