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  1. #221
    ROG Guru: White Belt Array Moloch's Avatar
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    Quote Originally Posted by Artah View Post
    Anyone using 7800X or 7920X or higher CPU can let me know what the frequency divers are in the 4000+ range please? *I'm trying to find out which CPU has the microcode to run 4133MHz memory using 100 base clock instead of higher like 103 or 106. I know probably none since you can't because it's 4133 but I don't know enough about memory to know that's why I'm asking. *Thanks.
    I'm not quite sure what you are asking, but... I have a 7820x and I have options for 4000, 4200, 4400 with bios 702. (DDR = double data rate... Increments are 2*BCLK)

    My memory is rated at 3866, and it was easy to hit 4000. I have been fighting for 2 days trying to get it stable at 4200, and I'm not even sure that will be faster since I have to increase latencies, etc

    I have not been able to get it to even post at 4400

  2. #222
    ROG Guru: Brown Belt Array meankeys PC Specs
    meankeys PC Specs
    MotherboardRampage VI Apex / Maximus IX APEX / Rampage V EX V10
    Processor7920X / 5960X / 6950X / 7700K
    Memory (part number)G.Skill Trident Z - 16GB
    Graphics Card #1Zotac 1080 Ti
    Graphics Card #2Zotac 1080 Ti
    Graphics Card #3ASUS STRIX GTX 1080 OC
    Monitor3 X ASUS V248Q
    Storage #1Samsung 950 Pro
    CPU CoolerCool Express SS
    Power SupplyThermaltake Tough Power Grand 1200W
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    I am running a APex VI and the 7920X I have a 4400 mhz kit but can only run in the 4200+ range. Going to have to wait for a bios release or two. 4234@ 19.19.19.38 T1 I am faster running 3600+ @ 14 cas

    http://hwbot.org/submission/3647646_

    http://hwbot.org/submission/3653044_

    I haven't really pushed this CPU yet

  3. #223
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    My Asus Hyper M.2 x16 card just arrived from Amazon.

    The heatsink is pretty hefty. There is a tiny external switch on the card bracket to turn the fan on/off.

    Four Intel 600p 1TB drives arrive tomorrow. I'm tempted to throw the thing in my x299 gaming system to see if the VROC drivers are ready yet (the gaming system is a Gigabyte Aorus X299 Gaming 9).

    BTW Newegg has a 2 per buyer limit on 600p drives so the workaround is to order another 2 from neweggbusiness which uses a separate account.

  4. #224
    ROG Guru: Brown Belt Array Brighttail PC Specs
    Brighttail PC Specs
    Laptop (Model)Asus G751JT
    MotherboardAsus x299 Rampage VI Extreme
    ProcessorIntel i9-7900x
    Memory (part number)Corsair Dominator Platinum SE 3200Mhz 4x8
    Graphics Card #1MSI GTX 1080TI
    MonitorAcer XB321HK (4k,IPS,G-sync)
    Storage #1Intel 900p (Boot) 2xSM961 (RAID 0) Games
    Storage #2Samsung 850 Pro 512GB - WD Black 4TB
    CPU CoolerCustom Water Cool
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    Quote Originally Posted by WonderSausage View Post
    My Asus Hyper M.2 x16 card just arrived from Amazon.

    The heatsink is pretty hefty. There is a tiny external switch on the card bracket to turn the fan on/off.

    Four Intel 600p 1TB drives arrive tomorrow. I'm tempted to throw the thing in my x299 gaming system to see if the VROC drivers are ready yet (the gaming system is a Gigabyte Aorus X299 Gaming 9).

    BTW Newegg has a 2 per buyer limit on 600p drives so the workaround is to order another 2 from neweggbusiness which uses a separate account.
    Let us know h ow it goes. I'm wondering if you are able to individually address each m.2 as it's own drive or if it has to be RAID something. How loud is the fan? I'm envious.
    Panteks Enthoo Elite / Asus x299 Rampage VI Extreme / Intel I9-7900X / Corsair Dominator RGB 3200MHz
    MSI GTX 1080 TI / 2x Intel 900p / Samsung 970 Pro 512GB
    Samsung 850 PRO 512GB / Western Digital Gold 8TB HD
    Corsair AX 1200i / Corsair Platinum K95 / Asus Chakram
    Acer XB321HK 4k, IPS, G-sync Monitor / Water Cooled / Asus G571JT Laptop

  5. #225
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Quote Originally Posted by meankeys View Post
    I am running a APex VI and the 7920X I have a 4400 mhz kit but can only run in the 4200+ range. Going to have to wait for a bios release or two. 4234@ 19.19.19.38 T1 I am faster running 3600+ @ 14 cas

    http://hwbot.org/submission/3647646_

    http://hwbot.org/submission/3653044_

    I haven't really pushed this CPU yet

    I wouldn't hold your breath for 4400 on SKL-X. Most of the IMCs top out around 4200. 4133 is pushing things to the limit if you want to keep the sub-timings in sensible order.

    4400 is doable on KBL-X, and even there it comes at horrible cost.

  6. #226
    ROG Guru: White Belt Array Moloch's Avatar
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    Quote Originally Posted by Raja@ASUS View Post
    I wouldn't hold your breath for 4400 on SKL-X. Most of the IMCs top out around 4200. 4133 is pushing things to the limit if you want to keep the sub-timings in sensible order.

    4400 is doable on KBL-X, and even there it comes at horrible cost.
    I agree, the best stable settings I was able to achieve at 100 BCLK was 4000.

    I finished tightening up all my timings and I'm memtest86 stable at ~110GB/s read, 115 write, 100 copy with 50ns latency

    Click image for larger version. 

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    I just did the math... 32GB of RAM writing at 115GB/s could fill my entire 32GB in 0.28 seconds... is that right?
    Last edited by Moloch; 09-21-2017 at 12:36 AM.

  7. #227
    ROG Guru: Brown Belt Array meankeys PC Specs
    meankeys PC Specs
    MotherboardRampage VI Apex / Maximus IX APEX / Rampage V EX V10
    Processor7920X / 5960X / 6950X / 7700K
    Memory (part number)G.Skill Trident Z - 16GB
    Graphics Card #1Zotac 1080 Ti
    Graphics Card #2Zotac 1080 Ti
    Graphics Card #3ASUS STRIX GTX 1080 OC
    Monitor3 X ASUS V248Q
    Storage #1Samsung 950 Pro
    CPU CoolerCool Express SS
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    Thanks for the input Raja

    Memory tuning is def my weak point - I feel better now that you mentioned that - I run faster rolling back on speed and tightening up on the timings




    QUOTE=Raja@ASUS;675622]I wouldn't hold your breath for 4400 on SKL-X. Most of the IMCs top out around 4200. 4133 is pushing things to the limit if you want to keep the sub-timings in sensible order.

    4400 is doable on KBL-X, and even there it comes at horrible cost.[/QUOTE]

  8. #228
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Np, dude. At least you do push this stuff

  9. #229
    ROG Guru: Blue Belt Array jab383 PC Specs
    jab383 PC Specs
    Motherboard24/7 rig : Maximus VI Extreme
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    Meankeys: I'm with Raja on this -- 4400 RAM sticks booted XMP settings at 4400 on the first try with a 7740X. With a 7820X, the XMP setting boots at 4200 ratio with 101.6MHz BCLK = 4266. That speed ran fully stable much to my surprise.

    With the 7740X and BIOS 702, the DRAMs ran at 4133 and 4400 with tighter timings with DRAM voltage (Vdimm) at 1.60v and also ran at 4133 even tighter. This is typical of my experience with b-die. Bandwidth in Aida64 was better with the tighter timings at 4133, especially when BCLK was pushed to get 4200. I agree that there is a bandwidth, but not latency, cost to the higher clocks.

    Raja: I do have a related issue.

    I switched to 7820X CPU and BIOS 802 at the same time. Since then, POST will finish and running in Windows is stable only with 1.40Vdimm. Voltages from 1.425 to 1.625 end POST with Q-code BD (insert standard rant about undefined Q-codes). If CPU input voltage is pushed to 2.40v, DRAMs at elevated Vdimm finish POST about 20% of the time, mostly ending at Q-Code BD. It seems that the 7740X is an ordinary 4-core Kabylake and the 7820X is a much different animal. Am I missing some setting? Could one of the Aux voltages help here?
    Last edited by jab383; 09-21-2017 at 08:50 PM.

  10. #230
    New ROGer Array YC2CHUR PC Specs
    YC2CHUR PC Specs
    MotherboardX370 Crosshair
    Processor1800X
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    DRAM 4,000Mhz Overclock Latancy

    [ System info ]
    Rampage VI Apex (0802 Bios)
    Core i7-7820X
    G.SKILL Trident Z RGB (F4-3600C16Q-32GTZR)

    Core Voltage : 1.267v (Ratio 48, all core)
    Cache Voltage : 1.176v (Ratio 32)
    Dram Voltage : 1.400v (4,000mhz 17-17-15-36-1T / tRFC 305, tREF 32767)
    Dram Power Phase Control : Opimized
    Input, VCCIO. SA : All Auto



    HCI Memtest Pro 200% Pass
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    AIDA64 Memory Benchmark
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    Cinebench R15
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    Realbench 2.53
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    3Dmark Firestrike
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    I Love ASUS and Apex
    Last edited by YC2CHUR; 09-21-2017 at 07:00 PM.

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