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  1. Zach_01

    How long until ethereum isn’t worth mining?

    https://www.mycryptobuddy.com/EthereumMiningCalculator
  2. Zach_01

    How many PSUs do I need to run a mining rig with 12 Radeon VII GPUs?

    You need to know at what wattage those RadeonVIIs will run under mining and properly configured (VRAM OCed and GPU underclocked and undervoltaged). Stock TDP is pretty much irrelevant as most cards when configured optimally are drawing around 60~70% of their official TBP (Total Board Power). I...
  3. Zach_01

    PC restarts once or twice before POSTing with default RAM speed and fluctuating CPU Clocks & CPU Voltages

    You need to import DRAM XMP profile for the calculator to suggest the best (in theory) settings. You can save a report of XMP with Thaiphoon Burner. Open it and click the "Report" next to "Read". Scroll all way down and click the "Show delays in clock cycles" once to turn into "Show delays in...
  4. Zach_01

    Whats the difference betwen AMD Motherboards?

    You can find some info here: https://www.google.gr/search?q&tbm=isch&ictx=1&tbs=rimg:Ccr6JOUQdt2jIgjK-iTlEHbdoyoSCcr6JOUQdt2jEcqKHaOUgyt8&hl=el&sa=X&ved=2ahUKEwjByantqfvvAhVL8bsIHXn8CxcQiRx6BAgAEAQ&biw=375&bih=553 Just go for B550, unless you’re willing to change the system soon. It will...
  5. Zach_01

    Which DRAM timings should I tighten at 3800Mhz?

    Having GDM Enabled with 15s is like GDM Disabled with 16s. Basically GDM does that. Its 1 "GearDown" on odd values and makes them even (+1) to help stability. Also Ryzens don't like odd values too much especially for the primary timings. You have more chances to run all 14s than having a...
  6. Zach_01

    Which DRAM timings should I tighten at 3800Mhz?

    In my case when everything its auto even when I increase DRAM multi beyond XMP profile... PDM: Disabled GDM: Enabled Cmd2T: 1T Never saw Command Rate on 2T even when I tried 3800MHz with tighter than XMP timings. Have you run any RAM benchmark before you started OCing? A lot of times just...
  7. Zach_01

    Which DRAM timings should I tighten at 3800Mhz?

    Its true about Gigabyte boards feeding a little more voltage to DRAM from what the setting is. Auto or manual. Having my XMP profile ON with auto Vdimm would not feed it with 1.35V but 1.36+V. I now have it on 1.44V and DRAM voltage fluctuates between 1.44~1.452V. Actually you can see it in...
  8. Zach_01

    Which DRAM timings should I tighten at 3800Mhz?

    I would go with this set of timings as Calculator suggests. Keep DRAM voltage 1.4V or maybe increase it to 1.45V if it’s not stable. b-dies dont care about voltage as long as you can keep it cool, around 40C ideally. SoC voltage on the other hand seems a bit high. It’s not about increased...
  9. Zach_01

    Getting slow NVME write speeds

    1. HWiNFO sensors window settings (gear icon) down left >> "Custom" tab or 2. Right click on a sensor and select "Customize values..." And you can make it like rainbow....
  10. Zach_01

    Bitcoin price suddenly surges to 3-year high

    And most big players are thinking BTC as a store of value. On the other hand PayPal that will start crypto transactions probably in 2021 will require from customer to transfer an amount of crypto into PayPal wallet. Then, on the purchase the transaction will be instant. PayPal will just hold...
  11. Zach_01

    High VRM temp makes OC unstable

    Are we talking about thermaltake or thermalgive? Depends...
  12. Zach_01

    Can't boot after tweeking cpu

    I think it should restart by itself after the process of flashing is finished (=light stop blinking) or power off. Can't remember... last time I used Flashback was like more than a year ago. But the first 6 months I had to use it a lot as no clear CMOS could do anything to bring it back from...
  13. Zach_01

    Bitcoin price suddenly surges to 3-year high

    If ETH price grows more than BTC's then yes...
  14. Zach_01

    Bitcoin price suddenly surges to 3-year high

    If one is mining and selling instantly yes its more profitable. If someone is playing the long game the current price has little to no significance.
  15. Zach_01

    Can't boot after tweeking cpu

    Was LoadLineCalibration (LLC) the only setting you changed? I really don't think so. One would change this only if OC or UC was in mind. Come on, you must never hide anything from doctor :D (I'm not the doctor, we all are together). What exactly do you mean by tweaking the CPU? Are you sure...
  16. Zach_01

    R5 3600 overclock 99% sure its safe but want to be double sure.

    In 80~90% of cases yes, that's the deal. But there are some like @xPalis who can make something more out of it with really low voltages. 5000series does not need this as it has the PB-PBO curve optimizer. You can really do almost anything with that (Under/Over Clock). Vdroops to 1.169V during...
  17. Zach_01

    R5 3600 overclock 99% sure its safe but want to be double sure.

    He probably has a good binned chip. Mine can't run nowhere near that 4.325GHz and 1.25V. Its a bronze rated CPU by CTR (ClockTuner for Ryzen) evaluation. So, static speed/voltage is no go for me as I loose performance. I left it at auto CPU settings with PBO enabled and cooling it as much as...
  18. Zach_01

    R5 3600 overclock 99% sure its safe but want to be double sure.

    You're probably fine. I would avoid running P95 or other burn tests too often though if not at all. Cinebench R15/20 like workloads are ok. The proper way to determine “safe” voltages is like @GerKNG says. And still this is under specific circumstances. If you want the safest possible voltage...
  19. Zach_01

    Rx5700xt

    Does the GPU worked last time your friend had it? And I didn’t understand the situation with the PSU. Do you have 2 PSUs? Which one powers the system?
  20. Zach_01

    DRAM calculator for Zen 3

    It means Micron's B-dies wasnt tested in that speed so the calculator doesn't have the appropriate profile for it.
  21. Zach_01

    Rx5700xt

    You need to state every detail of that system and how you got them. If are new or used and if used, was it by you or somebody else. All parts and all specs of them. Otherwise no one can understand anything. It could be the GPU it self, or the power supply, or the board, or the cable to monitor...
  22. Zach_01

    PC restarts once or twice before POSTing with default RAM speed and fluctuating CPU Clocks & CPU Voltages

    Alright then... now remember. Because you cant run DRAM at 3600MHz. And tell me whats the point of running DRAM at 3600MHz if your CPU is not up to the task to use it? Its better to have the CPU at full boost and DRAM to 3200MHz from what you're doing now. And you know what else? We might be...
  23. Zach_01

    PC restarts once or twice before POSTing with default RAM speed and fluctuating CPU Clocks & CPU Voltages

    Why the heck are you suggesting 1.35V with Core Performance Boost disabled? If you just disabled that, the CPU will get the appropriate voltage which shouldn't be more than 1.0~1.08V You only need to disable Core Performance Boost and change nothing else.
  24. Zach_01

    PC restarts once or twice before POSTing with default RAM speed and fluctuating CPU Clocks & CPU Voltages

    No its not difficult, and yes it is. I understand the "need" of anyone to run his/her system the way he/she wants. What I don't understand is why people are so afraid to run their CPUs to stock settings/boost to get the performance. And the difference between 3.6 and 4~4.2GHz is not 2~5%. Its...
  25. Zach_01

    PC restarts once or twice before POSTing with default RAM speed and fluctuating CPU Clocks & CPU Voltages

    Memory training is there for a reason and if it even could be disabled, when memory failed to run specific settings it wouldn't run at all I think. This is slightly different from "classic" memory training that all boards do. "Memory try it" is configuring RAM from top to bottom and not all...
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