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Slow boot with Z170 Classified K

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chimeraultimate
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2017/08/16 15:11:31 (permalink)
Hey, I've been using a Z170 Classified K for several months now and I've gotten very slow boot times out of it with two separate SSDs. I've looked up a bunch of different solutions on how to get it fixed, but it doesn't seem to do anything. During POST it hangs on code b4 for around 30 seconds (sometimes longer), which the manual says is memory training. The only other code it stays on for more than a second or two is 9C, which the manual says is USB Detect. B4 seems more likely to be the problem, as I've had some problems with Windows 10 telling me that I'm running low on memory when it's not even close. My system info is as follows:
 
OS: Dual Boot Windows 10 Home / Ubuntu
CPU: Intel Core i7-6700K
RAM: Corsair Vengeance LPX 8GB-3000MHZ (x4)
GPU: GTX 980 Ti VR Edition
 
Anyone have any ideas?
#1

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    Sajin
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    Re: Slow boot with Z170 Classified K 2017/08/16 15:23:50 (permalink)
    Ram part #?
    post edited by Sajin - 2017/08/16 15:26:05


    See my current build here: https://forums.evga.com/My-bench-rig-unlimited-power-m3596024.aspx
    RTX 2080 Ti 4-way SLI?!?!: https://forums.evga.com/RTX-2080-Ti-4way-SLi-set-by-yours-truly-m2954756.aspx
    #2
    KenMcC
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    Re: Slow boot with Z170 Classified K 2017/08/16 18:06:29 (permalink)
    Sorry you have B4 issue.  I had that for a long time, then found a fix... which I do not remember.  I do have 5 or 6 second pause on A2 now...it was A0 as both seem to point to starting memory.. I have not understood why or what the BIOS is check on the Mem Sticks...   If I find the  fix in my notes I will PM you.

    KenMcC
    Z170 Classy K; i7-6700 CPU,
    Corsair CMK16GX4M2A2400C14
    Seasonic SSR-360GP 360W;
    Samsung 950 Pro M.2 256 GB 
    Samsung 850 Evo 500 GB SATA
    Samsung 850 Evo 256 GB SATA
    Samsung SSD 840 Series 250 GB SATA
     
    Samsung 860 EVO 1 TB SATA
    Windows 10 x64 Prof.  
    #3
    chimeraultimate
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    Re: Slow boot with Z170 Classified K 2017/08/17 00:42:54 (permalink)
    Sajin
    Ram part #?



    #4
    Sajin
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    Re: Slow boot with Z170 Classified K 2017/08/17 01:47:50 (permalink)
    Does the slow boot occur under the following conditions...

    #1 On the latest bios available.
    #2 Bios optimized defaults.
    #3 Xmp enabled.
    #4 Ram timings, voltage & frequency setup manually.

    If yes, I'd recommend trying a different set of ram. I'd go with these... https://www.newegg.com/Pr...x?Item=N82E16820231899


    See my current build here: https://forums.evga.com/My-bench-rig-unlimited-power-m3596024.aspx
    RTX 2080 Ti 4-way SLI?!?!: https://forums.evga.com/RTX-2080-Ti-4way-SLi-set-by-yours-truly-m2954756.aspx
    #5
    chimeraultimate
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    Re: Slow boot with Z170 Classified K 2017/08/17 02:19:15 (permalink)
    Damn, I was hoping to avoid having to spend more. If I could afford to switch to a new set of RAM right now I would go for that, but it's unfortunately not in the budget for me right now even if I were to sell my current set off. Hopefully KenMcC finds the solution he used to this, otherwise I may just be stuck with slow boots for a while.
    #6
    Sajin
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    Re: Slow boot with Z170 Classified K 2017/08/17 02:41:47 (permalink)
    Looks like kenmcc's solution was to use bios 1.04... https://forums.evga.com/w...tcode-B4-m2694650.aspx


    See my current build here: https://forums.evga.com/My-bench-rig-unlimited-power-m3596024.aspx
    RTX 2080 Ti 4-way SLI?!?!: https://forums.evga.com/RTX-2080-Ti-4way-SLi-set-by-yours-truly-m2954756.aspx
    #7
    chimeraultimate
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    Re: Slow boot with Z170 Classified K 2017/08/17 14:50:33 (permalink)
    Okay, so I have an update. I apparently wasn't on the latest bios version, so I updated and now the hang on B4 has reduced from around 30 seconds to 10 seconds. It still takes a while to start though, because it's hanging longer on 9C and 92. Other than that, the only problem is that it's going directly to Windows 10 rather than the Ubuntu grub menu, which is probably just something I'm overlooking.
    #8
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