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Thread: "DQS training failed on previous boot" Message.




  1. #1
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    Default "DQS training failed on previous boot" Message.

    I built a PC for a guy in September who is now seeing this message on boot:

    "DQS training failed on previous boot, Revert to slower DRAM speed"

    What does this mean ?

    It's has been coming up for a while but it stopped after a while, so he thought it had dissapeared for good, but then it started reappering and now sometimes when he turn the tower on it just has a black screen it doesnt even come up to the point to enter the setup.

    Is this a critical error ? Or do I need to change something in the BIOS ? or has he been tweaking it possibly ?

    Here is the spec:

    CASE Coolermaster Elite 330 Case With Coolermaster Elite 460W PSU
    CPU AMD Athlon II X3 450 3.2GHz Socket AM3 95w 1.5MB L2 Cache Retail Boxed Processor
    MOBO Biostar A770L3 Socket AM3 6 Channel Audio ATX Motherboard
    RAM G-Skill 4GB DDR3 1333MHz Ripjaws Memory Module CL9 (9-9-9-24) 1.5V
    HDD Seagate 1TB 3.5" Barracuda SATA-III 6Gb/s Hard Drive - 7200RPM 32MB Cache
    GPU XFX HD 5670 1GB SDDR3 DVI HDMI DisplayPort PCI-E Graphics Card
    CD/DVD Samsung SH-S222AB 22x DVD±RW DL & RAM SATA Optical Drive - OEM Black
    SD Card All in 1 Internal Card Reader Plus One USB2.0 Port Black - 3.5" Bay

    RAM DETAIL - DDR3, M/B Chipset: Intel P55, Intel X48, Intel P45, Intel P35
    AMD 790 Series, AMD 785 Series, CAS Latency: 9-9-9-24-2N
    Capacity: 4GB (1 x 4GB)
    Speed: DDR3-1333 (PC3 10666)

    </pre>

  2. #2
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    Default Re: "DQS training failed on previous boot" Message.

    Anyone ???

  3. #3
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    Default Re: "DQS training failed on previous boot" Message.

    a simple google search gave me lots of hits, this one seems very similar to yours: DQS training failed on previous boot - Geeks to Go Forums

    not familiar with your motherboard, but you might want to check up on its ram compatibility list - maybe a bios update
    My advice - never visit a short-url, no matter who gives it to you. You can't trust any source at any time when you don't know your target
    Whitey: ROG Crosshair V Formula/Thunderbolt, AMD 1090T @ 3.2GHz w. NZXT Havic 140, Corsair XMS3 1333 8GB kit, HIS IceQ X HD 6870, Corsair Force GT 120GB, OCZ Vertex4 256GB, Kingston SSDNow 16GB, Samsung 500GB 3½" in casedock when needed, Chieftec Nitro88+ 650W, NZXT H2 White, 3x Asus VS248 24"
    Snuggles: Zotac Zbox HD-ID40 (Atom d525, worst purchase ever on cpu), Patriot Pyro 60GB (Thanks to Tweaktown Giveaway), 4GB 800' DDR2 SO-DIMM
    Bcube (NAS): ASUS F1A75-I Deluxe, AMD A6-3500 @ 2.1GHz, LSI 9240-8i (M1015) controller, GSkill Ares 1866 8GB blue kit, 4x Seagate SV35.5 2TB, 1x Seagate Barracuda 1.5TB, 1x Samsung HD103UJ, 1x Samsung F4 2TB, Temp. Rebel9 Alu case, Corsair H60, 2x Icy Dock MB973SP-B, NZXT UI01, Enermax T.B. Silence on docks and cpu, Aurum 500W gold PSU. (Draws 65W average, doesn't peak above 100W at any time)

  4. #4
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    Default Re: "DQS training failed on previous boot" Message.

    How do I update the BIOS ?

  5. #5
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    Default Re: "DQS training failed on previous boot" Message.

    your mainboard manufacturer has both bios and a bios flash utility on their page: A770L3 :: Motherboard :: BIOSTAR
    My advice - never visit a short-url, no matter who gives it to you. You can't trust any source at any time when you don't know your target
    Whitey: ROG Crosshair V Formula/Thunderbolt, AMD 1090T @ 3.2GHz w. NZXT Havic 140, Corsair XMS3 1333 8GB kit, HIS IceQ X HD 6870, Corsair Force GT 120GB, OCZ Vertex4 256GB, Kingston SSDNow 16GB, Samsung 500GB 3½" in casedock when needed, Chieftec Nitro88+ 650W, NZXT H2 White, 3x Asus VS248 24"
    Snuggles: Zotac Zbox HD-ID40 (Atom d525, worst purchase ever on cpu), Patriot Pyro 60GB (Thanks to Tweaktown Giveaway), 4GB 800' DDR2 SO-DIMM
    Bcube (NAS): ASUS F1A75-I Deluxe, AMD A6-3500 @ 2.1GHz, LSI 9240-8i (M1015) controller, GSkill Ares 1866 8GB blue kit, 4x Seagate SV35.5 2TB, 1x Seagate Barracuda 1.5TB, 1x Samsung HD103UJ, 1x Samsung F4 2TB, Temp. Rebel9 Alu case, Corsair H60, 2x Icy Dock MB973SP-B, NZXT UI01, Enermax T.B. Silence on docks and cpu, Aurum 500W gold PSU. (Draws 65W average, doesn't peak above 100W at any time)

  6. #6
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    Default Re: "DQS training failed on previous boot" Message.

    So, I download the latest BIOS then what do I do with it ?

    This made me a bit nervous:

    "Caution !! We don't recommend the user to update the BIOS while the system is running in good condition. The failure of updating the BIOS due to improper operation will cause a damage of the system, BIOSTAR is assumed no responsibility. Please do not hesitate to contact us with E- Support if you have any question."

    I notice the DQS message hasnt appeared for two days (several cold starts and numerous reboots), sods law it will start to come back once I hand it back to the owner. Is it precarious to do a BIOS update ?

  7. #7
    dJabba's Avatar
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    Default Re: "DQS training failed on previous boot" Message.

    BIOS and firmware updates always involve some risks, personally I've never had any problems with either at any point and I've done it a lot on many of my devices. They always warn that it can go wrong, so you can't blame them afterwards.

    Most "newer" boards have a build in feature to do so directly from BIOS which is the safest way. Next in line is the bootdisk option that some offer and the least secure is doing it from windows, but that is mainly due to the fact that windows isn't the most stable system as we know.
    Only place it can really go wrong is if the comp crashes/resets or loses power while the flashing is being performed.

    another thing you could try is to download Memtest86+ (free) and run a couple tests, just to make sure your memory isn't faulty and that is the cause
    My advice - never visit a short-url, no matter who gives it to you. You can't trust any source at any time when you don't know your target
    Whitey: ROG Crosshair V Formula/Thunderbolt, AMD 1090T @ 3.2GHz w. NZXT Havic 140, Corsair XMS3 1333 8GB kit, HIS IceQ X HD 6870, Corsair Force GT 120GB, OCZ Vertex4 256GB, Kingston SSDNow 16GB, Samsung 500GB 3½" in casedock when needed, Chieftec Nitro88+ 650W, NZXT H2 White, 3x Asus VS248 24"
    Snuggles: Zotac Zbox HD-ID40 (Atom d525, worst purchase ever on cpu), Patriot Pyro 60GB (Thanks to Tweaktown Giveaway), 4GB 800' DDR2 SO-DIMM
    Bcube (NAS): ASUS F1A75-I Deluxe, AMD A6-3500 @ 2.1GHz, LSI 9240-8i (M1015) controller, GSkill Ares 1866 8GB blue kit, 4x Seagate SV35.5 2TB, 1x Seagate Barracuda 1.5TB, 1x Samsung HD103UJ, 1x Samsung F4 2TB, Temp. Rebel9 Alu case, Corsair H60, 2x Icy Dock MB973SP-B, NZXT UI01, Enermax T.B. Silence on docks and cpu, Aurum 500W gold PSU. (Draws 65W average, doesn't peak above 100W at any time)

  8. #8
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    Default Re: "DQS training failed on previous boot" Message.

    Would there be any reason that the message has now not shown after numerous boot ups ? I have shut down and restarted so many times now and the message just hasnt re-appeared.

    All I have done is go into the BIOS and had a look around, now the DQS message doesnt come up. I'm tempted to hand it back and tell the guy to look out for it in the future and let me know if it reappears, rather than flash his BIOS for no reason.....or would it be best to do an update ?

  9. #9
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    Default Re: "DQS training failed on previous boot" Message.

    with it appearing so random, i would let it run overnight with a Memtest86+ and see if it detects any errors. A faulty ram module would be my best guess.

    There is always the golden rule, if it aint broke, don't try to fix it. In this case, its still hard to tell if anything is broke or not. As said, I've never had any trouble flashing my bios personally, and I've done that a lot.
    My advice - never visit a short-url, no matter who gives it to you. You can't trust any source at any time when you don't know your target
    Whitey: ROG Crosshair V Formula/Thunderbolt, AMD 1090T @ 3.2GHz w. NZXT Havic 140, Corsair XMS3 1333 8GB kit, HIS IceQ X HD 6870, Corsair Force GT 120GB, OCZ Vertex4 256GB, Kingston SSDNow 16GB, Samsung 500GB 3½" in casedock when needed, Chieftec Nitro88+ 650W, NZXT H2 White, 3x Asus VS248 24"
    Snuggles: Zotac Zbox HD-ID40 (Atom d525, worst purchase ever on cpu), Patriot Pyro 60GB (Thanks to Tweaktown Giveaway), 4GB 800' DDR2 SO-DIMM
    Bcube (NAS): ASUS F1A75-I Deluxe, AMD A6-3500 @ 2.1GHz, LSI 9240-8i (M1015) controller, GSkill Ares 1866 8GB blue kit, 4x Seagate SV35.5 2TB, 1x Seagate Barracuda 1.5TB, 1x Samsung HD103UJ, 1x Samsung F4 2TB, Temp. Rebel9 Alu case, Corsair H60, 2x Icy Dock MB973SP-B, NZXT UI01, Enermax T.B. Silence on docks and cpu, Aurum 500W gold PSU. (Draws 65W average, doesn't peak above 100W at any time)

  10. #10
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    Default Re: "DQS training failed on previous boot" Message.

    Some news since I returned the rig to its owner, on Friday he has seen the following message appear:

    "The file is possibly corrupt. The file header checksum does not match the computed checksum"

    I'm starting to think that the RAM is not compatible on this motherboard, even though it was listed as so. If you look at the Biostar website, this RAM is not listed as compliant.

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