Z170 Extreme4 with G.Skill F4-2800C15D-16GVRB kit
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=3147
Printed Date: 20 Jul 2025 at 2:38am
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Topic: Z170 Extreme4 with G.Skill F4-2800C15D-16GVRB kit
Posted By: D32_bobjob
Subject: Z170 Extreme4 with G.Skill F4-2800C15D-16GVRB kit
Date Posted: 30 Jul 2016 at 9:26pm
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Hi, bought this together with a i5-6500. As soon as I put a module into one of the A*-slots the board does not boot, it cycles 00-19-00-4C. If I put them into the B*-slots, they work at least in single channel mode. I know that this module is not in the compatibility list(while buying it I got this instead of F4-2400C15D-16GVR by accident). Is there a chance that the modules will work any time soon after a BIOS update(no problem playing Beta tester) or will I have to get new ones? Greatings
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Replies:
Posted By: wardog
Date Posted: 30 Jul 2016 at 9:54pm
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Most likely the sticks aren't compatible. I trust G.Skills compatibility list. Like, really trust. They don't list that F4-2800C15D-16GVRB as compatible with your MB. Shamelessly I'll plug G.Skill. It's the only memory I use. See the list below for what G.Skill guarantees and stands behind 100% as compatible. http://www.gskill.com/en/configurator?manu=52&chip=2484&model=2514" rel="nofollow - http://www.gskill.com/en/configurator?manu=52&chip=2484&model=2514 |
Posted By: parsec
Date Posted: 30 Jul 2016 at 10:02pm
What UEFI version are you using now? The latest is 3.40 dated 7/25/16: http://www.asrock.com/mb/Intel/Z170%20Extreme4/?cat=Download&os=BIOS" rel="nofollow - http://www.asrock.com/mb/Intel/Z170%20Extreme4/?cat=Download&os=BIOS ASRock is trying with their recent Z170 UEFI updates to increase compatibility with more DDR4 memory. But given the differences between Skylake and the Haswell-E and Broadwell-E systems, the only two so far that use DDR4 memory, that is not easy. I cannot predict or have information if your memory model will at some point become compatible. Frankly, this memory can be used with other manufacture's Z170 boards according to G.SKILL. So far, all DDR4 DIMMs of 8GB or greater capacity are Double Sided (DS) types. DS memory should be used in the A1 and B1 slots. I assume this memory won't POST with Auto settings in the UEFI? You could try clearing the UEFI with them installed in the A1 and B1 slots. Another thing to try is, if you can get into the UEFI, in the DRAM Configuration screen, at the very bottom find the MRC Fast Boot option, and set it to Disabled. That will cause memory training to be done during POST, which may help with compatibility. Also be sure to let the memory start at its default speed, which is 2133. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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D32_bobjob wrote:Posted By: D32_bobjob
Date Posted: 30 Jul 2016 at 10:11pm
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The upgrade was the first thing I did after repeatetly reinstalling CPU and RAM. Did not change anything. As soon as I put any one of the ram modules into the A*-Slot, it goes into the mentioned cycle. I use default settings in the BIOS. But I'll try installing them in A1/B1 and doing the CMOS(that is what you mean with clearing UEFI?) reset. I can get into UEFI in single channel configuration ... but I'll try this, too. After that I'll spend some more money in a local shop for a compatible kit. Then I have eaven more ram once this RAM is supported ... Greatings
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Posted By: wardog
Date Posted: 30 Jul 2016 at 10:26pm
parsec, being the AMD Fanboy I am(yea yea Keep it to yourself  ) i have to ask.In disabling MRC Fast Boot, does this also disable/negate any/the XMP Setting one may have arranged in the BIOS? |
Posted By: D32_bobjob
Date Posted: 30 Jul 2016 at 10:30pm
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BIOS reset did not work and disabling MRC Fast Boot did not help either. I hate it if HW does not work together, despite supporting the spec ... reminds me too much of work. Well, will have to spend some money ... Update: Got a pair of Crucial BLS8G4D240FSA, which are supported according to the support list. Same problem, as soon as I put a module into Slot A*, it does not boot. So either the Mainboard or the memory controller is shot ... Greatings
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Posted By: parsec
Date Posted: 02 Aug 2016 at 9:34pm
If it did disable XMP, or reset any memory options, I am not aware of that. It should not do that, no reason as that is not the purpose of this option. It doesn't do it on any of my boards that I have set it to disabled. If it did disable XMP, etc, that is a bug IMO. After a few boots/restarts, MRC Fast Boot should be able to be reset to enabled, although I have seen cases where it seems to like being left disabled. So AMD boards don't have this option? It's not an Intel thing AFAIK. ------------- http://valid.x86.fr/48rujh" rel="nofollow">
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Posted By: parsec
Date Posted: 02 Aug 2016 at 9:40pm
I'm surprised that Crucial memory did not work. It should work. Crucial's compatibility checker states this memory is compatible with your board: http://www.crucial.com/usa/en/z170-extreme4/CT7687522" rel="nofollow - http://www.crucial.com/usa/en/z170-extreme4/CT7687522 The memory controller is part of the CPU, so if it was bad, the CPU is bad. The only thing left is checking the CPU socket for bent pins, and returning the board regardless. ------------- http://valid.x86.fr/48rujh" rel="nofollow">
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