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  1. #1
    ROG Member Array Ilias83's Avatar
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    New User of Asus Crosshair V Formula - Many Issues

    Hello,
    This is my first post here.
    I recently bought an Asus Crosshair V Formula an upgrade for my PC.
    I'm facing some issues but I cannot understand if this is the normal behaviour of this motherboard.

    1. Very slow post
    Usually takes around 30 seconds to hear the "beep" sound.
    I have disabled the extra Sata Controller and Boot logo but still post is terribly slow.
    When restarting it usually takes 10-12 seconds to hear the "beep" sound.

    Is this normal?

    2. Hot Northbridge
    I know that there is no NB Sensor on BIOS but based on HWMonitor Northbridge is too hot.
    Idle not O/Ced temps are over 40 C (41-43 C) hitting 50 C on Full Load.

    Tried to O/C but NB temps seems to be the bottleneck of my PC as raising to 50+ C idle hitting 60 + C full load.
    I'mm back to defaults now planning to spent some money on watercooling in the future.

    Are these temperatures for not O/C system normal?

    3. Mosfet Noise Solved
    Terribly annoying noise specially when playing games.
    Mosfets make noise that I used to hear on an old MSI KT800 M/B.

    Finally this noise is coil whine coming from my PSU.
    I figured out by removing the PSU from PC Case.
    I reduced this noise disabling C1E, ErP, C3 and enabling VSync during Games.
    Noise still exists even if I scroll down a website but it's affordable now.
    I'm happy it's not from my M/B.


    4. M/B Power Connect Solved
    I have connected 8-pin EATX12V & 24-pin EATXPWR.
    I have not connected 4-pin EATX12V_1 as I don't have extra 4pin connector on my PSU
    and 4-pin EZ_PLUG as I don't use Crossfire or SLI.
    Do I need the extra 4-pin power connection in order to have more stable power during O/C?
    I could easily make one 4-pin molex to 4-pin EATX12V adapter.

    Finally I made a 2x 4-pin molex to 1x 4-pin ATX Connector and connected to M/B the extra 4-pin power.
    Managed to get 5GHz from my FX-8320.


    5. Memory Installation Solved
    As User Manual says:
    We recommend that you install the memory modules from the red slots for better overclocking capability
    So I installed my memory modules on two red slots which are slot #2 & slot #4.
    I've seen photographs of this M/B having red slot as #1 & #3.
    So are slots #1&#3 or #2&#4 better for OC?

    I figured out that black slots (dimms #1 & #3) are better for OC on my M/B.
    Probably manual refers to an older revision of this motherboard having red slots as dimms #1 & #3


    My current system:
    CPU: AMD FX 8320
    M/B: Asus Crosshair V Formula
    RAM: Mushkin Blackline 2x8GB DDR3 1600MHz 9-9-9-24
    GPU: HIS 6950 Fan 2GB GDDR5
    PSU: Corsair TX650
    System HDD: Samsung 830 128GB SSD
    CPU Cooler: Scythe Mugen 2 Rev.B
    Case: Lian Li P50-R
    Last edited by Ilias83; 01-17-2013 at 12:12 AM.

  2. #2
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    Hi,

    I a new user too and i have the same issues that you discribed.

    But, i can get the games working cause after a few minutes, the pc shut down by the NB overheat error. AMD FX 8150 & N260 gtx.

  3. #3
    Shut Up Stupid! Array DaemonCantor's Avatar
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    No this isn't normal because thru SpeedFan 4.47 my NB temp is 27c and I don't have any noise coming from the Mosfets. As to Post Speed everyone is different like mine is between 3 to as high as 10 seconds depending what mood the system is in at the time.... Personally I'd RMA it because it sounds like a Defective Board. but you can also read what I wrote to thebigmanu here: http://rog.asus.com/forum/showthread...untry=&status=, Although your problem is more than just a badly placed Heatsink.

  4. #4
    ROG Member Array Ilias83's Avatar
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    In my system SpeedFan 4.47 just shows the same temps with BIOS MainBoard and CPU but no NB temp.
    These two are quite low.

  5. #5
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    The motherboard noise issue is cause to RMA.
    To help us help you - please provide as much information about your system and the problem as possible.

  6. #6
    ROG Member Array Ilias83's Avatar
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    Quote Originally Posted by HiVizMan View Post
    The motherboard noise issue is cause to RMA.
    Hmm...
    I don't think that any seller here in Greece will accept to RMA my M/B just because it's making noise sometimes.

    One more thing I forgot to mention.
    I have only connected 8pin power supply to M/B but I don't have the extra 4pin power supply to connect.

  7. #7
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Quote Originally Posted by Ilias83 View Post
    Hello,
    This is my first post here.
    I recently bought an Asus Crosshair V Formula an upgrade for my PC.
    I'm facing some issues but I cannot understand if this is the normal behaviour of this motherboard.

    1. Very slow post
    Usually takes around 30 seconds to hear the "beep" sound.
    I have disabled the extra Sata Controller and Boot logo but still post is terribly slow.
    When restarting it usually takes 10-12 seconds to hear the "beep" sound.

    Is this normal?

    2. Hot Northbridge
    I know that there is no NB Sensor on BIOS but based on HWMonitor Northbridge is too hot.
    Idle not O/Ced temps are over 40 C (41-43 C) hitting 50 C on Full Load.

    Tried to O/C but NB temps seems to be the bottleneck of my PC as raising to 50+ C idle hitting 60 + C full load.
    I'mm back to defaults now planning to spent some money on watercooling in the future.

    Are these temperatures for not O/C system normal?

    3. Mosfet Noise
    Terribly annoying noise specially when playing games.
    Mosfets make noise that I used to hear on an old MSI KT800 M/B.

    My current system:
    CPU: AMD FX 8320
    M/B: Asus Crosshair V Formula
    RAM: Mushkin Blackline 2x8GB DDR3 1600MHz 9-9-9-24
    GPU: HIS 6950 Fan 2GB GDDR5
    PSU: Corsair TX650
    System HDD: Samsung 830 128GB SSD
    CPU Cooler: Scythe Mugen 2 Rev.B
    Case: Lian Li P50-R

    Hi,


    1) Which USB devices do you have plugged in? Which UEFI version are you running?

    2) Those temps are perfectly normal - nothing to worry about there.

    3) The noise is inductor resonance. RMAing the board may or may not cure it - as it will likely depend on interaction with the PSU.


    -Raja

  8. #8
    ROG Member Array Ilias83's Avatar
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    Hi,

    I have a Wireless Keyborad/Mouse receiver and a Wifi USB Adapter on USB 2.0 ports 3 and 4.

    My BIOS Version is 1703 and BIOS sceen says Version 2.00.1201.

    On BIOS settings I've disabled:
    IOMMU
    HPET
    ASM1061 Storage Controller
    Intel 8253 Lan
    iRog Timer Keeper
    ROG Connect

    P.S. I have updated my first post with 2 more issues.

    Thanks everyone for your useful answers.
    Happy to join this forum.

  9. #9
    ROG Guru: Orange Belt Array Granger PC Specs
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    I have used the CHVF with only the 8 pin connected for a long time, running a Phenom II 1100T at 4Ghz (the 4 pin I only started using when I changed PSU at Christmas, and it does make a difference, as I saw a jump of 126mhz in my OC without changing any settings in the bios)

    I have had no issues at all with the CHVF, yet through HWmonitor my temps are at idle (value/min/max):

    CPU: 34°/34°/34°
    Mainboard: 35°/35°/35°
    SB: 39°/39°/39°
    NB/ 57°/57°/58°

    Can't say what the noise is though, I don't have that, so an RMA would probably be a good idea.


  10. #10
    ROG Member Array Ilias83's Avatar
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    Noise finally is not from M/B but from my PSU.
    Many Corsair PSU make this noise.
    I'll request an RMA directly from Corsair.

    I made a 2x 4-pin molex to 1x4pin ATX power connect so I connected the extra 4-pin ATX power connector.
    That allowed me to OC my FX-8320 to 5GHz.
    Last edited by Ilias83; 01-07-2013 at 07:52 PM.

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