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Thread: bios 1802

  1. #1
    ROG Guru: Yellow Belt Array Lynkdev PC Specs
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    bios 1802

    I was able to OC my 5960x to 4.6 at 1.26vcore stable with this bios and cant seem to get the same settings stable with new 3000 series bios.

    What would I be losing if I decided to revert back to 1802? any important features or fixes?

    thanks

  2. #2
    ROG Guru: Gold Belt Array Menthol PC Specs
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    The 3000 series bios add support for BW-E processors, you will lose no features and probably better off with the earlier bios

  3. #3
    ROG Guru: Green Belt Array Qwinn PC Specs
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    The 3000 bios do have significantly better memory performance. For example, my memory kit gets 58k reads on pre-3000 bios's, and 62k on 3101/3202.

    I spent several months on an overclock that only worked on one bios (in my case 1902 modded). In my experience, that means that overclock is really on edge stability even on that bios, and sooner or later you'll get just a bit of memory training drift on a cold boot that will give you issues. Better to use an overclock that is portable among BIOSs, at least in the categories of pre- 3000 and post 3000 (The 3000 bios's give better performance but one should expect to have to tweak any pre-3000 overclock to get stable on it, the improvement seems generally worth it though, in particular dropping memory command rate from 1T to 2T seems indicated in a lot of cases).

    Within the pre--3000 and post-3000 categories, think of another bios as just another stress test for your overclock. If it isn't at least somewhat portable, it's likely close enough to instability even on the "good" bios that you can consider it a failed stress test.

    EDIT: Just realized this could be misconstrued. Stability issues moving from pre3000 to post3000 are expected because the performance actually improves which is more stressful on the cpu/cache/memory. My previous 1902 modded-only OC wouldn't be stable on 1802, 2001, etc. That is what I'm talking about when I say I should've considered that a failed stress test - an OC should be somewhat portable between pre-3000 BIOSs. But needing to retune for post 3000 is expected.
    Last edited by Qwinn; 06-24-2016 at 03:37 PM.

  4. #4
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    Quote Originally Posted by Menthol View Post
    The 3000 series bios add support for BW-E processors, you will lose no features and probably better off with the earlier bios
    Ok thanks.
    Quote Originally Posted by Qwinn View Post
    The 3000 bios do have significantly better memory performance. For example, my memory kit gets 58k reads on pre-3000 bios's, and 62k on 3101/3202.

    I spent several months on an overclock that only worked on one bios (in my case 1902 modded). In my experience, that means that overclock is really on edge stability even on that bios, and sooner or later you'll get just a bit of memory training drift on a cold boot that will give you issues. Better to use an overclock that is portable among BIOSs, at least in the categories of pre- 3000 and post 3000 (The 3000 bios's give better performance but one should expect to have to tweak any pre-3000 overclock to get stable on it, the improvement seems generally worth it though, in particular dropping memory command rate from 1T to 2T seems indicated in a lot of cases).

    Within the pre--3000 and post-3000 categories, think of another bios as just another stress test for your overclock. If it isn't at least somewhat portable, it's likely close enough to instability even on the "good" bios that you can consider it a failed stress test.

    EDIT: Just realized this could be misconstrued. Stability issues moving from pre3000 to post3000 are expected because the performance actually improves which is more stressful on the cpu/cache/memory. My previous 1902 modded-only OC wouldn't be stable on 1802, 2001, etc. That is what I'm talking about when I say I should've considered that a failed stress test - an OC should be somewhat portable between pre-3000 BIOSs. But needing to retune for post 3000 is expected.
    With the 3202 bios, would manually entering in memory timings be better of stability wise over xmp? Is 1T better than 2T?

    Sent from my SM-N920V using Tapatalk

  5. #5
    ROG Guru: Green Belt Array Qwinn PC Specs
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    Quote Originally Posted by eric.iannone View Post
    Ok thanks.

    With the 3202 bios, would manually entering in memory timings be better of stability wise over xmp? Is 1T better than 2T?
    All other things (such as the BIOS version) being equal, 1T is better performance than 2T. However, at least in my case, the performance boost of 1T is considerably less than the performance increase provided by the 3xxx BIOS's. If you're on 1802 now, and willing to give 3xxx another shot, run Aida64 memory and cache benchmark a few times on 1802 and get an idea of your read/write/copy/latency speeds under it. Then try 3xxx. If your XMP isn't stable and it is set to 1T command rate, try changing it to 2T and see if that stabilizes it. If it does, run Aida64 again and see if the BIOS improvement compensates for the drop to 2T. In my case, my previous 3000Mhz overclock at 2T on 3101/3202 provided considerably better benchmark scores than the same OC at 1T command rate on 2101.

  6. #6
    ROG Guru: Yellow Belt Array Lynkdev PC Specs
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    Quote Originally Posted by Qwinn View Post
    All other things (such as the BIOS version) being equal, 1T is better performance than 2T. However, at least in my case, the performance boost of 1T is considerably less than the performance increase provided by the 3xxx BIOS's. If you're on 1802 now, and willing to give 3xxx another shot, run Aida64 memory and cache benchmark a few times on 1802 and get an idea of your read/write/copy/latency speeds under it. Then try 3xxx. If your XMP isn't stable and it is set to 1T command rate, try changing it to 2T and see if that stabilizes it. If it does, run Aida64 again and see if the BIOS improvement compensates for the drop to 2T. In my case, my previous 3000Mhz overclock at 2T on 3101/3202 provided considerably better benchmark scores than the same OC at 1T command rate on 2101.
    copy thanks ill give it a try

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