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Helpful ReplyZ790 Classified Memory Recognition Issue

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JewsOfHazard
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2023/03/11 19:26:28 (permalink)
Hi y'all. I have some G.Skill Trident Z5 memory sticks (2x32G 6000mhz) Link to NewEgg page. For some reason, only one stick is recognized. What I've done:
 
* Tried each individual stick in all slots by itself, all slots and both sticks work
* Tried different sticks (Ripjaws 2x32 5600mhz) in slots 2 and 4 together, both are recognized.
* Clearing CMOS
* Used XMP profiles to set voltage/clock targets
* Updated BIOS to version 1.08
 
What am I missing here?
 
Rest of build:
13900KS w/ ASUS 4090 STRIX
NZXT X73 Kraken 360MM AIO
EVGA SuperNOVA 1000watt P2 Platinum
Sabrent Rocket 4TB
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    Hoggle
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    Re: Z790 Classified Memory Recognition Issue 2023/03/12 01:50:42 (permalink)
    Does the G. Skill get recognized in slot 2 and 4 like the Ripjaw? You might also want to try downgrading the bios version to see if that helps.
    post edited by Hoggle - 2023/03/12 01:52:50

    Use an Associates Code & SAVE 5% - 10% on your purchase. Just click on the associates banner to save, or enter the associates code at checkout on your next purchase. If you choose to use my code I want to personally say "Thank You" for using it. 
     
     
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    JewsOfHazard
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    Re: Z790 Classified Memory Recognition Issue 2023/03/12 01:55:27 (permalink)
    The Trident memory is recognized in slot 4 or slot 2 when only one dimm is installed. But when there are two dimms only slot 4 is recognized.

    I'll try older bios versions tomorrow.
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    rjohnson11
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    Re: Z790 Classified Memory Recognition Issue 2023/03/12 03:43:12 (permalink)
    JewsOfHazard
    The Trident memory is recognized in slot 4 or slot 2 when only one dimm is installed. But when there are two dimms only slot 4 is recognized.

    I'll try older bios versions tomorrow.

    Let us know if the older BIOs worked. 

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    JewsOfHazard
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    Re: Z790 Classified Memory Recognition Issue 2023/03/13 01:33:17 (permalink)
    Haven't tested it yet but I will update this thread when I do
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    Cool GTX
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    Re: Z790 Classified Memory Recognition Issue 2023/03/13 08:13:16 (permalink)
    go to G.skill site & confirm those RAM sticks are recommended for that MB
     
    They also fails @ stock timings (non XMP) ?
     
    CPU voltage for IMC?
     
    XMP - does not always set the Voltage correctly - confirm voltage on sticker matches what you are seeing in BIOS
     
    the sticker voltage = the required XMP voltage

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    dbhkfa
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    Re: Z790 Classified Memory Recognition Issue 2023/03/13 08:45:00 (permalink) ☄ Helpfulby Cool GTX 2023/03/13 09:33:33
    Those appear to be AMD optimized sticks.  Here is a related thread from the z690 forum where someone was trying to use AMD optimized sticks: https://forums.evga.com/Z690-Dark-Kingpin-Dualrank-not-working-m3598526.aspx  They mention a ticket was submitted.
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    JewsOfHazard
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    Re: Z790 Classified Memory Recognition Issue 2023/03/14 19:31:45 (permalink)
    Yeah, 1.05, 1.07, and 1.08 all have this issue with slot 2. Oh well.
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    Hoggle
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    Re: Z790 Classified Memory Recognition Issue 2023/03/14 23:25:58 (permalink)
    JewsOfHazard
    Yeah, 1.05, 1.07, and 1.08 all have this issue with slot 2. Oh well.


    Did any of them work with other slots when you downgraded the bios to get two sticks to work?

    Also are you using the Ripjaw and Trident at the same time?

    Use an Associates Code & SAVE 5% - 10% on your purchase. Just click on the associates banner to save, or enter the associates code at checkout on your next purchase. If you choose to use my code I want to personally say "Thank You" for using it. 
     
     
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    JewsOfHazard
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    Re: Z790 Classified Memory Recognition Issue 2023/03/14 23:56:39 (permalink)
    Hoggle
    JewsOfHazard
    Yeah, 1.05, 1.07, and 1.08 all have this issue with slot 2. Oh well.


    Did any of them work with other slots when you downgraded the bios to get two sticks to work?

    Also are you using the Ripjaw and Trident at the same time?



    I am only using one kit at a time. 1.07 and 1.08 behave the same way, which is that only slot 4 works no matter the config (from what I tested, anyways). That consists of sticks in slots 2 only (ram init fail), 4 only (success), 2 and 4 together (only slot 4 recognized), 3 and 4 together (only slot 4 recognized). On 1.05, 2 only (ram init fail), 2 and 4 together (ram init fail, didn't boot).
     
    dbhkfa seems to have it right that the AMD-specific nature of these sticks is probably getting in the way. For now, 64 gigs of the slightly slower RAM is fine. I'll most likely get some faster RAM for this build at some point and put the extra 64 in my server like I originally intended.
     
    These I'll just keep onhand for future AMD builds or to sell to a friend at a good price in the future.
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    dbhkfa
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    Re: Z790 Classified Memory Recognition Issue 2023/03/24 19:29:26 (permalink)
     
    A new BIOS was released today and it includes a fix for AMD EXPO memory module detection.
    https://forums.evga.com/BIOS-for-Z790-DARK-KNGPN-113-CLASSIFIED-111-Features-Bug-fixes-m3601626.aspx
     
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