The AMD Ryzen All In One Tread /Overclocking/Memory Speeds & Timings/Tweaking/Cooling

Discussion in 'Processors and motherboards AMD' started by chispy, Feb 22, 2017.

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  1. thatguy91

    thatguy91 Guest

    Apparently that's potentially an incredibly dangerous setting to not get right.
     
  2. AsiJu

    AsiJu Ancient Guru

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    I think an AMD presentation said not to use anything higher than 80 ohms unless you have extreme cooling and even then it's risky.
     
  3. Webhiker

    Webhiker Master Guru

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  4. T0mate

    T0mate Member

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    I don't recall such warning concerning die termination resistance.
    For my experience I have tried value far beyond those values.

    I am curious to now what Gear Down bios option do?
    I have seen that some people disable it but let CR to 1, does it do anything else?
     

  5. AsiJu

    AsiJu Ancient Guru

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    http://youtu.be/vZgpHTaQ10k?t=3m34s

    link to the presentation, can't recall at what time the bit about ProcODT is but it's there ;)

    edit: procodt bit at 6:35 ->

    recommends between 40-60, values higher than 80 only with LN2 :D
     
    Last edited: Jun 30, 2017
  6. Clouseau

    Clouseau Ancient Guru

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    Starts speaking about ProcODT @ 7:25. Stated that if going to go over 80, better have LN.
     
  7. Webhiker

    Webhiker Master Guru

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    Geardown Mode

    Allows the DRAM device to run off its internally-generated ½ rate clock for latching on the command or address buses. ON is the default for speeds greater than DDR4-2667, however the benefit of ON vs. OFF will vary from memory kit to memory kit. Enabling Geardown Mode will override your current command rate.

    Quoted from : https://community.amd.com/community/gaming/blog/2017/05/25/community-update-4-lets-talk-dram
     
  8. Webhiker

    Webhiker Master Guru

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    Thanks :)

    Edit

    RAM is now 2933 with 14-14-14-14-34 timings :) so getting closer to 3200 MHz
     
    Last edited: Jul 1, 2017
  9. thatguy91

    thatguy91 Guest

    Try 3066 MHz with 15-14-14-14-35, with tWCL set at 14 (default is the same as tCL).
     
  10. chispy

    chispy Ancient Guru

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    Absolute max safe voltage is 1.25v
     

  11. Bentez

    Bentez Guest

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    I need 1.2v SOC for 3200Mhz CL14 using 1.35v DRAM. Otherwise i'll get a cold boot bug with the RAM speed resetting to 2133.

    If I drop the clocks to 2933 then I can run the SOC between 1-1.1v

    The bump in speed probably isn't worth the extra volts but its nice to have the RAM running at its rated speed.

    I've read a few posts on different forums that have said 1.2v is too high for 24/7 but I guess time will tell. I'm hoping future bios revisions will let me bring the voltage down a notch.
     
  12. RedDracoNL

    RedDracoNL Member

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    F4-3200c16d-16gvkb

    I just became the proud owner of a AMD Ryzen 1700 and I thought I would throw in my 5 cents and maybe help any one that is having trouble getting F4-3200C16D-16GVKB running stable. Because out of the box I could not get it stable at all.

    My F4-3200C16D-16GVKB are SK-Hynix SS and there from June.

    The trouble seemed to be that my motherboard CH6 BIOS 1403 sets RC-RC1-RC2-RC4 and RRDS-FAW totally wrong when using XMP.
    Once I changed those Settings to 56-560-416-256 and 39 That the XMP profile advice's I had no more issues what so ever the board even stops giving me trouble with cold boots.
    So if anyone is having issues with their memory check what setting your XMP profile advice's and change those settings.

    Hope it helps.
     
    Last edited: Jul 1, 2017
  13. tui84

    tui84 New Member

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    After following this thread for quite some time, I decided to upgrad my old rig to Ryzen today.

    Really happy with the RAM, got the last pair of 16GB G.Skill DDR4 Trident Z 3600Mhz PC4-28800 CL16.

    Updated BIOS to 2.40, Load XMP 3200 Profile, manually set the timings
    Able to get it to work on first try!

    I can tell that I won't able to do this with out this Thread!

    Thank you guys.:banana:

    Sorry, no photos yet, need more posts to post images :infinity:
     
  14. Webhiker

    Webhiker Master Guru

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    I can get my 2 x 8 GB kit working @ 3200 Mhz just fine. It's the 2 x 16 Gb I'm struggling with - currently @ 2933 MHz. Locks up if I try to go higher and I have to clear CMOS to get it going again. I have tried keying in all values manually, but still no boot. The highest VSOC I have tried is 1.15v I'm going to try 1.175v and see how that goes. If memory serves me correctly I think it's MSI who sets SOC voltage to 1.25 when turning on XMP in BIOS.
     
  15. chispy

    chispy Ancient Guru

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    How about DDR4-4079.2Mhz on Ryzen sounds :D

    Ohh yeahh ! Here we go again. AMD Ryzen DDR4 Speed barrier broken by Australian overclocker newlife bringing it to DDR4-4079.2Mhz :eek: ! Finally things are getting better and better for Ryzen CPUs with the latest AMD Agesa microcode 1006. Looking forward for more and new stable releases of Motherboard Bios based on the Agesa 1006 as with every new beta bios release there is more compatibility and performance to be had on the AM4 Ryzen plattform. Stay tuned ...


    Sources: http://hwbot.org/newsflash/4623_newlife_(australia)_first_to_break_ddr4_4k_barrier_with_amd_ryzen , http://hwbot.org/submission/3588222_ , https://valid.x86.fr/wlr80s


    [​IMG]

    [​IMG]
     

  16. tui84

    tui84 New Member

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    @chipsy
    My Ryzen 1700x is running around 40-50c on Normal Load, and around 75c when running benchmarks.
    I think its a bit hot? I'm running on stock frequency + Corsair H115i
     
    Last edited: Jul 1, 2017
  17. Clouseau

    Clouseau Ancient Guru

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    Ram Timing

    • When using DOCP and Geardown is disabled CR functions at 2T even when CR is set at auto
    • DOCP sets pretty much all the timings correctly except tRC, tFAW, tRFC1, tRFC2, and tRFC4
    • tRRDs and tRRDL do not function as set

    F4-3600C16D-16GTZ with DOCP @ 3600: The timings themselves are set to auto and just utilizing DOCP in the main section, Bios 1401 sets tRC to 85 even though 52 is written in the XMP profile. tFAW is set to 38 when 44 is reflected in the XMP profile. tRFC1 through 4 are set close enough @ 630,468, and 288. The main cause of instability is that tRRDS & L do not function as set even when the bios itself shows the effective setting as manually entered or as reflected in the XMP profile when setting is at Auto. This failure to function as set occurs at all speeds. Have no idea if another setting is causing the effective timing to be overridden.

    Something very weird when functioning at 3600. Aida64-the read portion of the benchmark drops drastically to 28K. All the ram settings are set as reflected in the XMP profile as documented by Aida64, CPUID, and Thaiphoon Burner. When using the same kit and running it at 3466 and 15-15-15-15-35-50-7-9-43-5-13-26-607-451-278-CR 2T, which is perfectly stable-completes Prime95 24hr run, the read portion of the benchmark is at 50~51K. Even 3200 gets better read speeds. running ram @ 3600 is still a work in progress.

    *The secondary timings are able to be mathematically derived because of how Thaiphoon Burner shows the settings (tWTRS, tWTRL, tWR, tRFC1-4) Do not have access to the tCCDL setting even though is present in the XMP profile.
     
  18. chispy

    chispy Ancient Guru

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    It seems kind of high for stock frequency. How are your ambient temperatures ? Also have you tried resetting your water block on that AIO with fresh Thermal interface ? Might want to try that.

    Thank you for the update Clouseau.
     
  19. -Tj-

    -Tj- Ancient Guru

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    Ps its the same with DDR3 after 2400MHZ, e.g. 2600-2666, issue for lower read speeds is mostly in 3rd timings.


    E.g. quick check in Aida64

    [​IMG]

    tWTR, trTR affect that the most, but also can get unstable quick.

    [​IMG]
     
  20. tui84

    tui84 New Member

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    My ambient temp. would be around 24c (with A/C on) otherwise 30c

    I think the issue was with "x" series CPU, with 20c offsetting temperature reading in HWinFO? After reducing 20c from the temp. readings, the temperature looked more realistic.
     
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