Question about Intel D875PBZ Motherboard

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RAID 1 not installing with WinXP32

I'm trying to install two formatted WD1600AAJS drives as RAID 1 on Intel D875PBZ. The BIOS (P33) is set for RAID 1 and I loaded the Intel RAID driver during XP install (F6) but XP doesn't recognize the drives. It does see them when they are set to normal (non-RAID). Is this a BIOS issue or is the driver not 48-bit to recognize >137GB?

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  • 9992g Jan 23, 2008

    Hi Hugh,

    Yes, I pressed during POST to configure the RAID.

  • 9992g Jan 26, 2008

    The RAID utility shows both drives (one on Port 0 and one on Port 1) and allows me to configure either RAID 0 or 1. I have them configured to RAID 1, ID 0, full capacity (149.0 GB) in one volume and the volume is bootable.

  • 9992g Jan 27, 2008

    I have unplugged the one other hdd and so the only other drive in the system is the CDROM.

  • 9992g Jan 27, 2008

    Other notes:

    1. I ran the WD diagnostics utility on both drives with no errors.

    2. I tried partitioning the RAID volume to 137GB in case the driver was not 48-bit. It didn't make a difference. Windows still won't recognize the volume.

  • 9992g Jan 28, 2008

    Eureka! I got it.

    The RAID driver that comes with the motherboard (v3.0) doesn't work. Intel has a new version (v5.5) on their support site that does work.



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Did you run the RAID configuration utility?

Posted on Jan 21, 2008

  • Hugh Vandervoort
    Hugh Vandervoort Jan 23, 2008

    And what do you see when you,open the RAID utility?

  • Hugh Vandervoort
    Hugh Vandervoort Jan 26, 2008

    Are there other drives in this computer?
    What do you see in disk management?



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I upgraded matheboard from p6t6 (stopped working for some reazon) to p6t7. My hard drives have been set up to raid. I have windows 7 ultimate installed. I set bios to raid and choose proper disc as boot 1...

On many systems with RAID1 support built into the mobo chipset, that system includes some RAID management software in BIOS. You won't see it until you turn on RAID capabilities in the BIOS and add a drive. But you might find all the details you need in manuals on the matter from Dell, so look for those. They could have come with your machine, or you may have to search their website and download.

On systems I've seen you create and manage RAID arrays using that built-in software, NOT Windows tools. In fact, some RAID1 management tools would allow you to convert a single stand-along HDD to a RAID1 array by adding a matching HDD unit and then having the system copy all the data to the second drive. This is almost the same as the process to repair a damaged RAID1 array by replacing one faulty drive with a new one and rebuilding the array.

HOWEVER, Windows ALWAYS needs a RAID driver installed in it to use any RAID array. If you are simply booting from a "normal" stand-alone disk into Windows and then using a RAID array as a data storage system, the RAID driver installation can be done any time after Windows is running as you set up the new storage system. BUT Windows in ANY version cannot BOOT from a RAID array unless the RAID driver has been installed at the very beginning of the OS installation. This implies that, if you want to convert your single disk into a RAID1 2-disk array and use ONLY that as the HDD resource in the machine, you will need to re-install Windows, this time including the required RAID driver install at the beginning, in order to boot from that array.

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So here's a quick guide to installing hardware RAID on a motherboard that features a RAID controller. These steps assume you are performing a clean Windows 7 install rather than an upgrade, and they might differ depending on your system set-up, but the general principles should be the same.
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  2. Back up all your important data!
  3. Turn your PC off and unplug it.
  4. Install 2 hard disks preferably with identically capacity into your PC.
  5. Turn on your PC, press the delete key or F2 key when prompted to get to the BIOS menu.
  6. Find the option to select the RAID mode, save your settings and exit BIOS.image.axd?picture=bios-raid-options.jpg
  7. On reboot you should see a new menu option to enter the RAID controller settings. Enter the key combination when prompted to get to the RAID controller menu. image.axd?picture=amd-raid-menu.jpg
  8. Create a new RAID array selecting either RAID 0, or RAID 1.
  9. Select the disks that will form the array, save the settings and exit.
  10. On reboot press the delete key or F2 key when prompted to get to the BIOS menu.
  11. Check the boot sequence of your PC and ensure your optical drive is top of the list.image.axd?picture=bios-boot-sequence-options.jpg
  12. Insert your Windows 7 disk into the optical drive and exit the BIOS.
  13. On reboot press any key when prompted to boot from the optical drive.
  14. Windows 7 should start installing.
  15. Select your localisation settings and click next.image.axd?picture=localisation.jpg
  16. Click "repair your computer" and click the "load drivers" button.image.axd?picture=windows%207%20repair%20menu.png image.axd?picture=load-drivers-option.jpg
  17. Insert your memory stick and browse to the correct driver and install.
  18. Exit back to the Windows 7 install menu click "Install now" and on the next screen click "Custom (advanced)" to perform a clean install.image.axd?picture=install-windows-custom_thumb.jpg
  19. When you are asked where you want to install Windows 7 you should see that the 2 RAID hard disks are now visible as just 1 drive.
  20. Add a partition to the new drive so Windows with be able to recognise it.
  21. Continue installing Windows as normal.

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