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    Strange bandwidth between 2 OS

    Discussion in 'Networking and Wireless' started by tdo1222, Apr 18, 2007.

  1. tdo1222

    tdo1222 Notebook Enthusiast

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    Hello guys:
    I have a notebook running vista ultimate and XP pro, WRT54GS
    If I log into XP and test my speed I got around 1.75Mbs, sit right next to the router
    But if I log into Vista and test my speed It show I got 5.89Mbs, sit at the same location.
    I'm testing with the same server 3 times on each OS but show the same result.
    Why is it so different between 2 OS
    Any susgestion ?
     
    tdo1222, Apr 18, 2007
    #1
  2. WackyT

    WackyT Notebook Deity

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    Are you using the latest driver for your XP install?
     
    WackyT, Apr 18, 2007
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  3. tdo1222

    tdo1222 Notebook Enthusiast

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    Yes I did check update the driver for xp os. including all XP update up to today date
    just don't know why
    :confused:
     
    tdo1222, Apr 18, 2007
    #3
  4. blue68f100

    blue68f100 Notebook Virtuoso

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    Are you using a FW or AV program in XP and not Vista. I do know if your using Symantic AV & FW it kills your speed. AND has a massive overhead.
     
    blue68f100, Apr 18, 2007
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  5. tdo1222

    tdo1222 Notebook Enthusiast

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    Yes I do have Symantec AV in the XP OS, but if I test with wire connection in XP I still get around 5.7Mbs. I don't think it's the AV issue.
    :confused:
     
    tdo1222, Apr 18, 2007
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  6. blue68f100

    blue68f100 Notebook Virtuoso

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    Did you mis post your data? You listed Vista as the 5.7Mb/s not XP.

    I would have expected Vista to be the slowest.
     
    blue68f100, Apr 18, 2007
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  7. tdo1222

    tdo1222 Notebook Enthusiast

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    Under Vista I get around 5.7Mbs for wireless
    Under XP pro I get 5.7Mbs with wire and AV monitor, but with wireless in XP I got only around 1.5-1.7 Mbs.
    BTW this is a dell wireless 1390 mini card runing the latest driver from Dell website
     
    tdo1222, Apr 18, 2007
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  8. blue68f100

    blue68f100 Notebook Virtuoso

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    That's normal speed for a 11g. I only get around 2.5MB/s with my 125mbps 11g, AP.
     
    blue68f100, Apr 18, 2007
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  9. tdo1222

    tdo1222 Notebook Enthusiast

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    The only thing bother me is how come I can get around 5.5-5.7 MB/s under Vista but only 1.5MB/s under XP
    :confused: :confused: :confused:
     
    tdo1222, Apr 24, 2007
    #9
  10. Pitabred

    Pitabred Linux geek con rat flail!

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    XP's networking code is different than Vista's. You get major changes because of that, since Vista was designed with wireless in mind, whereas XP wasn't. You get similar speed increases with using Linux on a wired connection instead of Windows XP. It's just a difference between the operating systems, and definitely nothing you can "fix" under XP.
     
    Pitabred, Apr 25, 2007
    #10