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Thread: GA-890FXA-UD5 IOMMU BIOS Switch?




  1. #171
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Quote Originally Posted by ConiKost View Post
    Hi :)
    Yeah, I've tried several times to flash the current stable F4-version. I've always reset all settings to default and only enabled IOMMU as new option. This hasn't worked too :(

    My board revision it 2.0.

    My pcie-cards are:
    ASUS P1 Physx PCIe
    Creative Sound Blaster X-Fi PCIe
    Sapphire Vapor-X 4890 2GB PCIe

    My drives:
    1x WD Raptor 600GB SATA3-version
    5x WD Black 1000GB SATA3-version
    1x Plextor PX-880SA
    1x Plextor PX-B940SA

    I tried to remove ALL drives expect one hdd or one dvd-rom and the video card.
    In this combination its still not working. After initializing the drives from bios, i see only in the left corner an blinking cursor. The message with "loading operation system" (which comes from the bios!) is missing and system hangs..

    I am just out of my all ideas :(
    Very strange.
    My board is rev. 2.0 too.
    Besides a Sapphire 5770, I don't have any other cards inserted.
    Have you tried without any drives at all? That should give you the "no OS" prompt, at least. Also, make sure no USB devices (except for a keyboard, maybe) are connected. I had lots of trouble with a pen drive and a broken card reader.

  2. #172
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    You may also want to try clearing the CMOS for an extended period, then do the load optimized juggle again and see if that helps.

    You could also flash your backup BIOS to match and see if that has any effect, use ALT + F12 at startup

  3. #173
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    I installed the latest BIOS from Gigabyte (F5 released on 2010/09/30). Ostensibly, there is the IOMMU option in the setup, but when my system is booting (Linux kernel 2.6.35.7), it apparently doesn't recognize iommu (please enable IOMMU in BIOS message).

    I am still going to experiment more with it, but just to avoid going in circles, could anyone verify if IOMMU tables are in fact present in F5? Logically, they should, since IOMMU support was already introduced in F4 beta.

  4. #174
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Quote Originally Posted by toughluck View Post
    I installed the latest BIOS from Gigabyte (F5 released on 2010/09/30). Ostensibly, there is the IOMMU option in the setup, but when my system is booting (Linux kernel 2.6.35.7), it apparently doesn't recognize iommu (please enable IOMMU in BIOS message).

    I am still going to experiment more with it, but just to avoid going in circles, could anyone verify if IOMMU tables are in fact present in F5? Logically, they should, since IOMMU support was already introduced in F4 beta.
    For me only f4 beta is working.

  5. #175
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Drat. Can I have the F4 beta, then?

  6. #176
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Drat. Can I have the F4 beta, then?
    Why don't you just read the thread?
    And have a look at answer #140!

    Ben

  7. #177
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Quote Originally Posted by toughluck View Post
    Drat. Can I have the F4 beta, then?
    Quote Originally Posted by trikolon View Post
    Why don't you just read the thread?
    And have a look at answer #140!

    Ben
    This is a long thread, but thanks for pointing him in the right direction.

    Here, just in case
    MEGAUPLOAD - The leading online storage and file delivery service

  8. #178
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Gigabyte released F6.
    Did anyone test it to see if it has IOMMU?

  9. #179
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    Quote Originally Posted by ConiKost View Post
    Hi :)
    Yeah, I've tried several times to flash the current stable F4-version. I've always reset all settings to default and only enabled IOMMU as new option. This hasn't worked too :(

    My board revision it 2.0.

    My pcie-cards are:
    ASUS P1 Physx PCIe
    Creative Sound Blaster X-Fi PCIe
    Sapphire Vapor-X 4890 2GB PCIe

    My drives:
    1x WD Raptor 600GB SATA3-version
    5x WD Black 1000GB SATA3-version
    1x Plextor PX-880SA
    1x Plextor PX-B940SA

    I tried to remove ALL drives expect one hdd or one dvd-rom and the video card.
    In this combination its still not working. After initializing the drives from bios, i see only in the left corner an blinking cursor. The message with "loading operation system" (which comes from the bios!) is missing and system hangs..

    I am just out of my all ideas :(
    FYI:
    With the newest F5b Bios, my IOMMU is now working perfectly fine!
    I can enable it and everything boots up fine.

  10. #180
    Join Date
    Nov 2010
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    Cebu, Philippines
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    Default Re: GA-890FXA-UD5 IOMMU BIOS Switch?

    i also have this board and i also want try it.

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