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Slow write speed, but normal write speed

Discussion in 'Hardware' started by mrogers, Nov 26, 2008.

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  1. mrogers

    mrogers Thread Starter

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    Nov 26, 2008
    Messages:
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    So, I've been trying to fix this problem for months. I have two Maxtor hard drives on the primary IDE channel, one's a 120 Gb(master) and an 80Gb(Slave). Both of them write at about 1.8 Mb/sec and read at a normal rate. I've put a new ribbon cable in it, checked the jumpers, Windows says they're running in UDMA mode 6.

    Both hard drives can't be bad, so I've ruled that out for now. I honestly don't remember when they first started running slow, but at least 6 months. I did a reformat about a year ago, and I think it was working well then, but that's a while ago and I just don't remember thinking it was slow at the time anyway.

    Specs:
    Windows XP -SP3
    AthlonXP 3200+
    2 Gb Corsair Ram
    120 & 80 Gb Maxtors
    450 watt PSU

    Thanks
     
  2. Elvandil

    Elvandil

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    Aug 1, 2003
    Messages:
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    How are you testing? Are you in Safe Mode with all unneeded services turned off? It is extremely difficult to get an accurate read speed for the drive with an OS running. Anything that accesses the drive can slow write speeds, like Diskeeper or O&O defraggers, drive monitors, anti-spyware, etc.

    You might look through the list in OpenedFilesView to see exactly what is being accessed on that drive.
     
  3. mrogers

    mrogers Thread Starter

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    I'm not using safe mode. I know the write speed is bad though. I takes over 5 minutes to copy a 1 GB file with nothing else running.
     
  4. Elvandil

    Elvandil

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    51,988
    Check both BIOS and Device Manager and see if UDMA is enabled and active.
     
  5. mrogers

    mrogers Thread Starter

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    Nov 26, 2008
    Messages:
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    Both drives are running in Ultra DMA Mode 6 in the device manager. I can't find anywhere to check it in my BIOS though.
     
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