Question about Mach Speed X-Caliber PT800DBP Motherboard

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Operating system windows vista does not see hard drive

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  • jerr85 May 01, 2010

    it is a sata and it is stopping install of windows vista when vista looks for had drive at beginning of install found solution on mach speed web site but solution includes file with oem ext and windows can not open oem files all things i found to open oem files involve paying for a program

    how do i open oem files without paying for something

  • jerr85 May 02, 2010

    problem is not dirty cd i tried a windows 7 install disc and it does same thing

  • jerr85 May 04, 2010

    the motherboard is a machspeed pt800dbp wih via vt 8237 chip

    the hard drive is western digital 160 gb sata


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First you should check whether the drive is recognized in BIOS or not. If it is not recognized then you need to make sure it is working or not; check the cables attached etc.

If it is recognized then for some reason Vista cannot 'see' it. In this case go inside the BIOS and change the harddisk controller setting to Legacy Mode. You will find the instructions in the motherboard manual.

I am assuming that you are using a SATA harddisk. If you still have this issue after making required changes in the BIOS then please provide the exact model of the motherboard and your harddisk configuration.

Posted on May 02, 2010

  • Adnan Bhatti
    Adnan Bhatti May 04, 2010

    You need to make sure the hard drive is detected in the BIOS. If you have not then update the BIOS as follows:

    STEP 1. Prepare a boot floppy disc.
    STEP 2. Copy utility program to your boot disc. You may download from here.
    STEP 3. Copy latest BIOS for PT800DBP from here to your boot disc.
    STEP 4. Insert your boot disc into A:,
    start the computer, type “Awdflash A:\ PT800DBPAxxx.BIN /SN/PY/CC/R”
    PT800DBPAxxx.BIN is the file name of latest BIOS it can be PT800DBPA3.BIN or PT800DBPB2.BIN
    SN means don’t save existing BIOS data
    PY means renew existing BIOS data
    CC means clear existing CMOS data
    R means restart computer
    STEP 5. Push ENTER and the BIOS will be updated, computer will be restarted automatically.

    After the update please try and see if Vista recognizes the hard drive or I will provide another solution.

  • Adnan Bhatti
    Adnan Bhatti May 04, 2010

    If the above solution fails then your motherboard does not have SATA drivers. Click here and follow the instructions to load SATA drivers. This will solve your problem. If any step appears doubtful ask me.


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Hi. What is the size of your hard drive, SATA or IDE, is it during install or after install?

Posted on May 01, 2010

  • Liza Halbrook
    Liza Halbrook May 01, 2010

    If Vista is stopping during install, it may not be a harddrive problem. Check your Vista installer if it has scratches or dirt. Clean if necessary. Also, if you have access to another computer, duplicate your installer and use the newly burned CD to install Vista.

    I think the webpage is trying to sell you Vista OEM CD.

  • Liza Halbrook
    Liza Halbrook May 04, 2010

    Go to BIOS settings and change SATA mode from "AHCI" to "IDE" or "Compatible". Save and Exit. Boot with Windows Vista CD and continue installation.


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