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Sabertooth x79 Red CPU LED

  • 27-10-2012 05:52PM
    #1
    stevyport
    Registered Users, Registered Users 2 Posts: 4 ✭


    Hi Guys,
    Have an issue with out of the box components using a Sabertooth x79, where the RED CPU LED stays on.

    PARTS:
    - Sabertooth X79
    - i7 3930k
    - 4x8GB Corsair XMS 1600 DDR3 - CMX32GX3M4A16
    following correct configuration: http://i1013.photobucket.com/albums/af254/Jaquith/ASUS_Quad_Channel.gif
    however, not in suported list:
    http://www.asus.com/Motherboards/Intel_Socket_2011/SABERTOOTH_X79/#MSL
    - 2 SATA 6GB Drive + 1 SATA 3GB DVD
    - 1000W OCZ ZX PSU
    - GEFORCE 9800 (PCIe) - working on other machine

    ISSUE:
    Machine powers up...
    Fans spin, mobo get power (and green stand-by LED)
    DVD can open (if connected),
    etc...
    However, red CPU LED is on everytime

    STEPS COMPLETED:
    - Disconnected all SATA, everything unplugged except CPU, GPU & RAM.
    - Removed Noctua Heatsink/Fans , verified CPU installed correctly (triangle to correct corner, etc.)
    - Ensure RAM is in correct bays (albeit model not on ASUS supported list)
    - Downloaded BIOS 1203 and flashed using USB Stick as "SABERX79.ROM"
    note: not .CAP because previous BIOS version installed)
    & following ASUS steps: http://event.asus.com/2012/mb/USB_BIOS_Flashback_GUIDE/


    Potentially the RAM is incompatible...
    However, there is no DRAM red LED so cannot know 100%
    Are there any other troubleshooting steps you can help with in terms of the RED CPU LED?
    Tagged:


Comments

  • #2
    frozenfrozen
    Registered Users, Registered Users 2 Posts: 7,677 ✭✭✭frozenfrozen


    Did you use all of the motherboard standoffs? If so, then reseat the cpu, and hope you haven't bent any pins


  • #3
    stevyport
    Registered Users, Registered Users 2 Posts: 4 ✭stevyport


    thanks for the tips.
    haven't double-checked the stand-offs - so will do that.
    and will quadruple check the CPU pins, pray none bent so :)

    will try again later this evening and let you know.


  • #4
    frozenfrozen
    Registered Users, Registered Users 2 Posts: 7,677 ✭✭✭frozenfrozen


    I had some problems when I was setting up my Sabertooth X79 too so I can empathize with your situation, reseating everything did the trick for me though :)


  • #5
    stevyport
    Registered Users, Registered Users 2 Posts: 4 ✭stevyport


    thanks frozen.
    With patience :) ...
    I striped down to empty shell once more, ensured all stand-offs in place, ensured all connections again 1 by 1 and viola can boot to BIOS.
    Advice from this is... remember the stand-offs and pay extra attention when sitting the mobo (don't rush to the good stuff :) )
    Am so happy it something so simple, thanks a million!


  • #6
    frozenfrozen
    Registered Users, Registered Users 2 Posts: 7,677 ✭✭✭frozenfrozen


    I'm glad you got it sorted, enjoy! :D


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