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  1. #1
    New ROGer Array
    Join Date
    Aug 2019

    Maximus 7 Gene can't set RTL/IO-L (Z97)

    Hello, when i manually changing RTL/IO-L block, system doesn't POST. No matter if i use my own timings or override AUTO. The thing is I want to tight them for best results on CL9, or relax them to be able reach more freq on CL10/CL11. At that moment i can't boot 2600MHZ with any timing combination/voltages, so i blame RTL for that. Help me please, I would appreciate for any advice.
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  2. #2
    ROG Enthusiast Array tt0ne PC Specs
    tt0ne PC Specs
    Laptop (Model)Dell Precision 7760
    MotherboardAsus ROG Maximus Z690 Apex
    ProcessorIntel Core i9-12900k
    Memory (part number)2x G.Skill TridentZ5 DDR5 F5-6400J3239G16G
    Graphics Card #1EVGA GeForce RTX 3090 Ti Ultra
    MonitorSamsung G9 49 inch
    Storage #1NVMe Samsung SSD 970 2 TB
    CPU CoolerWatercool Heatkiller IV Pro CPU Block
    CasePhanteks Enthoo Elite ATX Super Tower (PH-ES916E_AG)
    Power SupplyeVGA SuperNOVA T2 Titanium (1600W)
    Keyboard Wooting Lekker Analog
    Mouse SteelSeries Rival 700
    Headset Audeze Mobius 3D Head Tracking Headset
    Mouse Pad SteelSeries QCK Prism Cloth
    OS Windows 10 Professional
    Network RouterCustom Linux Box
    Accessory #1 X-rite ColorMunki
    tt0ne's Avatar
    Join Date
    Oct 2012

    Just to be clear, when you increase your RTL you must increment your IO latency by 1 and if you decrease your RTL you must lower your IO latency by 1. In other words, if your sticks auto set to 51-50-7-6 and you want to manually force the RTL to run 50-50 you must also manually set your IO Latency to 6-6. If you wanted to force 51-51 you'd want to set your IO latency to 7-7. If you are already doing that and you make manual changes and can't boot then it's possible that your mobo is auto training to the best possible setting with little root for deviance. Also, RTL/IO timings are affected by your CPU multiplier and RAM divider. You can't dial in your RTL/IO timings and then start jumping around with your multipliers expecting everything to work. Not saying you are doing that but just in case since I know how frustrating it can be.

    Hope that helps.
    Last edited by tt0ne; 09-01-2019 at 12:56 AM. Reason: spelling mistakes

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