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Helpful ReplyZ370 Classified K post code 30

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madaxid
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2018/09/19 21:44:25 (permalink)
I've just finished my new i7-8700k with z370 classified K. I'm getting a post code 30 (both with gfx card and without gfx card).  I suspected it might be the ram but it appears to recognize both stick of corsair vengeance.  Is there any way to diagnose what aspect of the install in causing this post code?
 
thanks!
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Sajin
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Re: Z370 Classified K post code 30 2018/09/19 23:40:29 (permalink) ☄ Helpfulby madaxid 2018/09/20 19:07:42
Things to try/check...
 
#1 Try clearing the cmos.
#2 Check your cpu socket for bent pins.
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satchmo0016
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Re: Z370 Classified K post code 30 2018/09/20 18:55:45 (permalink) ☄ Helpfulby madaxid 2018/09/20 19:07:35
From the "White paper" for the Classified K:
 

"30 Reserved for ASL (see ASL Status Codes section below)"
 
Just to be clear there is no "ASL Status Codes" section nor is ASL defined in EVGA's glossary. I'm guessing the manufacturer (foxconn?) didn't give it to EVGA and they didn't bother with it.
Source for that: https://www.evga.com/support/manuals/files/134-KS-E379.pdf
 
 
Now that that's out of the way- Nearly every motherboard manufacturer uses post codes for debug and trouble shooting and they can mean a host of things. I can't say with full certainty but on a typical motherboard ASL is related to ACPI. In this context, ACPI Source Language and Advanced Configuration and Power Interface, provide the interface for software to talk to hardware for power management requests. One example is putting your computer to sleep (such as CPU C3). It just so happens that's exactly what ASL Checkpoint 30 indicates, a CPU returning from C3.
 
Because of the way power management, sleep, and cache are related it can be a little difficult to just give you a straight answer. But a new computer should not be attempting to recover from C3 if its a brand new build. If it's hanging it may also indicate that the cache is remaining incoherent and who knows why that could be.
 
I know it might sound silly but do you already have it in the case? Is it on the static bag on top of the box? Sometimes the outsides of the static bags can be capacitive or flat out conductive, so make sure you don't put the static bag under the mother board. Put it in the case or right on the box. If you're unlucky it might jump some solder points on the back of the PCB.
 
Like posted before, try to clear the CMOS. No reason not to try. Also try both BIOS. Maybe one got bungled.
 
Next, try just one stick of ram in each slot. Make sure the ram is fully seated, because there might be strange errors if the ram isn't completely in the slot. If that doesn't work, do it again for the 2nd stick. It's unlikely but possible to get 2 bad sticks.. Just something to keep in mind.
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madaxid
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Re: Z370 Classified K post code 30 2018/09/20 19:07:06 (permalink)
So what i learned is that #1 is to reset CMOS.
 
the other is to be aware of a post code when you have windows 10 installed on a mbt volume.
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satchmo0016
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Re: Z370 Classified K post code 30 2018/09/20 19:28:25 (permalink)
madaxid
So what i learned is that #1 is to reset CMOS.
 
the other is to be aware of a post code when you have windows 10 installed on a mbt volume.


That fix it for you?
 
Also just so you have a warm fuzzy feeling. EVGA boards typically will post twice before actually booting after you clear CMOS or change certain voltages/frequencies. That's normal behavior.
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madaxid
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Re: Z370 Classified K post code 30 2018/09/20 19:39:29 (permalink)
Honestly I believe because there was no boot drive (prior to changing uefi to legacy) the post code was just the last step before it could go no further. It was not truly indicative of the problem, but i did find someone in another thread mention the gpt/mbt problem he had and I figured that had to be it.
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madaxid
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Re: Z370 Classified K post code 30 2018/09/20 19:46:46 (permalink)
if anyone is curious. my new Corsair Vengeance LPX CMK16GX4M2B3200C16  (2x8) does work on my z370 Classified K
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