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Hard Drive transfer rate very slow (Seagate Barracuda 120GB)

By Cy6erpuke
Oct 3, 2005
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  1. Hi

    I have searched long and hard and need help please.

    I have a P4 2.8 CPU with 512 DDR400 Ram and WinXP Pro installed. My hard drive is a Seagate Barracuda 120GB (Ultra) ATA. I have replaced cable to manufacturer's spec Ultra ATA cable, black interface used for master and jumper on Cable Select. I do not use the slave on this cable. I have checked BIOS and auto detected drive again. All seems fine here.

    I have tested transfer rate on this drive with HD tach and HD Tune and get around 2.8 MB/sec. I experience very slow boot up and PC in general is very slow to start and execute programs.

    I have removed all spyware and other threats with no effect. :(
  2. Nodsu

    Nodsu TS Rookie Posts: 9,431

    Make sure you have hard disk DMA enabled in BIOS and see if Windows is using it.
  3. Cy6erpuke

    Cy6erpuke TS Rookie Topic Starter Posts: 23

    I have looked at BIOS, I do not see DMA setting there Except one that give two options (1 or 3) I chose 3.

    In device manager under IDE controllers and Primary IDE it is set to DMA if available.

    Anything else I need to try?
  4. Cy6erpuke

    Cy6erpuke TS Rookie Topic Starter Posts: 23

    Transfer mode : DMA if available
    Current transfer mode: PIO mode

    how do i force UDMA modes?

    I tried to toggle PIO the DMA if avail..... does not work
  5. Nodsu

    Nodsu TS Rookie Posts: 9,431

    Do you have the latest (and correct) drivers for your chipset? There was also some registry hack to make UDMA work with win2k - it won't hurt to do that for your XP.

    Windows falls back to PIO mode when DMA is not available (disabled) or too many errors occur (bad cable? bad controller? bad drive?).
  6. Paragon33

    Paragon33 TS Rookie Posts: 343

  7. Cy6erpuke

    Cy6erpuke TS Rookie Topic Starter Posts: 23

    Thanks guys, you are all spot on. Sorry for replying so late. Had very good support from Seagate, the told me to uninstall IDE ATA controller from device manager, reboot, install newest IDE controller from motherboard manufacturer and reboot again. Great! Picked up everything now running like greased lightning!

    Thanks
    Cy6erpuke
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