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Thread: ASRock H87M-ITX SATA Mode: AHCI vs. RAID




  1. #21
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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    Quote Originally Posted by Youraagh View Post
    I found a bug in this bios, you have to set boot CSM Launch storage opROM policy to uefi only, this enables Intel rapid storage in advanced, so you can set up the raid. To boot you need to set boot CSM back to legacy only. Hope this helps!
    Not a bug at all. The Intel IRST configuration option in Advanced is only available for use with Windows installations configured for UEFI booting. You can get the IRST configuration option to be displayed by doing what you said, but unless your Windows installation was configured for UEFI booting, it will fail to boot when you use the UEFI OROM with a Legacy OROM Windows installation.

    The usual (legacy) way to access the IRST configuration option is to enter Ctrl i (press the Ctrl and i keys at the same time) during POST, which will then display a similar RAID configuration screen, assuming the SATA mode is set to RAID. That method has existed for years, the IRST configuration option in the UEFI/BIOS is a new feature, that is useable only as I described above.

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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    There's at least two bugs, the OS is irrelevant.
    To enable the creation of the RAID array in BIOS you need to select UEFI.
    To 'see' the RAID array as a boot device in BIOS you need to select Legacy.

    Why can't you configure the RAID in legacy mode?
    Why isn't the Intel configuration (Ctrl-I) utility available?

  3. #23
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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    Quote Originally Posted by Youraagh View Post
    There's at least two bugs, the OS is irrelevant.
    You're not reading or understanding what I wrote, "... Windows installations configured for UEFI booting."

    Quote Originally Posted by Youraagh View Post
    To enable the creation of the RAID array in BIOS you need to select UEFI.
    The Intel RAID configuration option in the UEFI is a new feature that did not exist in any BIOS or UEFI until Intel provided it for use when UEFI booting, and when using Windows 8 with Ultra Fast boot.

    Quote Originally Posted by Youraagh View Post
    To 'see' the RAID array as a boot device in BIOS you need to select Legacy.
    Of course, it was not formatted as a UEFI booting device. You can use a UEFI RAID configuration option to create the array, but if it is not formatted for UEFI booting (GPT, EFI system partition) it can only be recognized as Legacy.

    Quote Originally Posted by Youraagh View Post
    Why can't you configure the RAID in legacy mode?
    Why isn't the Intel configuration (Ctrl-I) utility available?
    It should be, that would be a bug if true.

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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    What part of there is no OS yet aren't you understanding?

  5. #25
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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    Quote Originally Posted by Youraagh View Post
    What part of there is no OS yet aren't you understanding?
    So we've gone from the OS is irrelevant to no OS... I'm not understanding the part where you just said no OS.

    If you have CSM Launch storage opROM policy set to uefi only, then Ctrl I won't work.

    The three statements in my previous post after the Windows installations configured for UEFI booting statement still stand, and have no mention of an OS.

    With the UEFI Option ROM enabled, with the Option ROM policy option you used, you won't see any drives or RAID volumes in the boot order list that do not have a UEFI bootable partition configuration. That is simply how the UEFI Option ROM works. Any RAID volumes created with either utility are unformatted, and have no partitions on them.

    One UEFI booting PC I have has five drives connected to the Intel SATA controller, and only one with an UEFI booting OS installation on it. How many drives are listed in the Boot Order? Only one, the OS drive. Switch to Legacy booting, and I'll see all five drives. The UEFI Option ROM method may seem strange, but what is the point of listing unbootable drives when booting a PC? This is also why I was thinking about an OS on a drive.

    You don't need to select the target OS drive in the boot order when installing an OS, you select it during the installation. The device used to install the OS is all that needs to be selected in the boot order.

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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    I'm the only guy here who has a working hardware RAID booting on this motherboard, one guy even went so far as to make a software RAID.
    All because the BIOS is terribly designed and you have to switch between modes and reboot the PC three times to get it working.
    Just thought I'd share the answer...

  7. #27
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    Default Re: ASRock H87M-ITX SATA Mode: AHCI vs. RAID

    All I'm saying is, using the RAID configuration option in the UEFI by enabling the UEFI only Option ROM, while aiming for a Legacy Windows installation, will cause confusing results like you described.

    If the usual Ctrl I RAID configuration utility does not appear when using the Legacy Option ROM, and the SATA mode set to RAID, then something is wrong, and that would be a bug. I'm not rejecting this possibility, but a few things need to be checked first.

    Just checking, you can't use any of the Fast Boot options if you need to use the Ctrl I RAID utility, Fast Boot must be set to Disabled.

    If the Ctrl I RAID utility won't work, try clearing the CMOS/BIOS first, then go into UEFI and set the SATA mode to RAID, save and exit, and try Ctrl I again.

    Since you have no OS yet, the keyboard should be a simple one that does not require any drivers, like fancy gaming keyboards. Use the USB 2.0 ports on the I/O panel to connect the keyboard, whether wired or wireless. That sounds weird, I know, but I've had to do that myself with a new system and no OS installed. It's even worse on older boards, a BIOS clear would cause my wireless keyboard to be non-functional until a full boot.

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