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  1. #31
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    Angry

    Quote Originally Posted by samuel.reamer View Post
    Just an FYI to those having this issue. My first Z490-I would freeze when installing windows when there were two stick of RAM installed. I RMA'ed this board and promptly bought a second board, that board had random freezing issues that got much worse when XMP I or II was enabled. ASUS replaced the first board and I swapped it out today and it was able to pass the XTU stress test with XMP I enabled. Will be RMA'ing the second board as well.
    Did you get any freeze with swapped MB yet? If you didn't, that means we got a faulty batch...

    It's been months and there is still no fix... I really regret buying this.

  2. #32
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    I had a single WHEA_UNCORRECTABLE_ERROR crash in the last week that I attribute to memory, but otherwise I've been rock solid sitting at XMP I. I use the PC all day every day since I'm working from home so I had a pretty reasonable test of it... Haven't really touched XMPII or any other settings, but I did manually set VCCIO and SA voltages to 1.1V since the bios auto-sets them to ridiculous levels like 1.4-1.6V which are at the upper end of operational limits...

    Given the massive improvements seen in that special 0703 bios update I'm hopeful that this is fixable with bios only and doesn't require RMA. I imagine board-to-board tolerances might cause the different behavior, and they are just trying to make up for it with bios... but hopefully it's not a layout change or something more drastic
    Last edited by morello1n; 07-11-2020 at 07:35 PM.

  3. #33
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    My Z490-I has this issue as well. The BIOS shared in this thread didn't help, and ASUS advised me to return the motherboard to the retailer. Can we please get an update from the engineers that are looking into it?

  4. #34
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    Quote Originally Posted by RZNNNN View Post
    My Z490-I has this issue as well. The BIOS shared in this thread didn't help, and ASUS advised me to return the motherboard to the retailer. Can we please get an update from the engineers that are looking into it?
    An update: BIOS 0704 fixes the issue for me. It's too bad that it hadn't been mentioned in this thread yet -- it's been available in the forums for 11 days.

    "(Updated some vrm porting, dram compatibility)"

    https://rog.asus.com/forum/showthrea...sus-Z490-stuff
    Last edited by RZNNNN; 07-14-2020 at 05:31 AM.

  5. #35
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    My ROG Z490-i have the same issue, tested several day until midnight.....

    Ram is HyperX Fury 3600 2x16GB HX436C17FB3K2/32, CPU 10700 non-k, tried bios 0607, 0703 specil 3, and 0704

    Use XMP II(3600) will auto reboot after loaded into window, XMP II(3000) can run several seconds in XTU stress test. If only install one stick of ram, use XMP II(3600) can pass stress test. With both Ram installed, the only setting can pass the XTU stress test is default all Auto(2400)...

    Then I borrowed a Trident Z Neo 3600 16x2 use XMP II (3600) setting, lower the frequency to 3200 can run 2 -3 minutes stress test before it auto reboot. This setting also can pass 3Dmark time spy 20 minutes stress test.

    I feel disappointing and exhausted, it's a ROG, it should be the best ITX board brand in the market, I don't expect this experience. The memory listed may be not in the QVL, but this board preform so bad...I really don't want to RMA a new purchase board. Please, let me know how to fix this.

  6. #36
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    Quote Originally Posted by RZNNNN View Post
    An update: BIOS 0704 fixes the issue for me. It's too bad that it hadn't been mentioned in this thread yet -- it's been available in the forums for 11 days.

    "(Updated some vrm porting, dram compatibility)"

    https://rog.asus.com/forum/showthrea...sus-Z490-stuff
    I take this back. I'm now able to complete stress tests at 4000 16-19-19-39 with my Ballistix 3600 16-18-18-38 32 GB kit, but the system randomly crashes and powers off when performing light tasks like opening new tabs in Chrome -- this is happening 100% with light workloads using the XMP profile, and doesn't happen when one of the channels is disabled. Dropping to 2133 MHz also resolves the issue.

    Should I give up and install the replacement Z490-I that's sitting on my desk?

  7. #37
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    Quote Originally Posted by RZNNNN View Post
    I take this back. I'm now able to complete stress tests at 4000 16-19-19-39 with my Ballistix 3600 16-18-18-38 32 GB kit, but the system randomly crashes and powers off when performing light tasks like opening new tabs in Chrome -- this is happening 100% with light workloads using the XMP profile, and doesn't happen when one of the channels is disabled. Dropping to 2133 MHz also resolves the issue.

    Should I give up and install the replacement Z490-I that's sitting on my desk?
    Another update! Matching Min CPU Cache Ratio to Max CPU Cache Ratio (48 in my case) appears to have fixed the issue with light workloads. Possibly a useful datapoint for the engineers at ASUS?

  8. #38
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    Angry

    Quote Originally Posted by RZNNNN View Post
    Another update! Matching Min CPU Cache Ratio to Max CPU Cache Ratio (48 in my case) appears to have fixed the issue with light workloads. Possibly a useful datapoint for the engineers at ASUS?
    Scratch that -- back to crashing.

  9. #39
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    Quote Originally Posted by RZNNNN View Post
    Scratch that -- back to crashing.
    Sorry to hear that. Did you try manually setting VCCIO and SA voltages to 1.1V as @morello1n stated?
    Last edited by umdogan; 07-14-2020 at 08:15 PM.

  10. #40
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    Quote Originally Posted by umdogan View Post
    Sorry to hear that. Did you try manually setting VCCIO and SA voltages to 1.1V as @morello1n stated?
    I'd already tried everything from 1.05-1.20 for both.

    I finally gave up and cleared CMOS, ran with the default settings, and was still crashing at 2666 MHz, so, I bit the bullet and swapped boards, and the new Z490-I doesn't have the issue!

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