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  1. robinlawrie

    Not-a-pc watercooling puzzle

    Thanks for the reply, i guess my backup plan is to use corrosion inhibitor and check regularly. (on a related note, you hear terrible warnings and horror stories about pc watercooling and galvanic corrosion, but home heating systems are a mass of mixed metals, and nobody seems to stress about...
  2. robinlawrie

    Not-a-pc watercooling puzzle

    So, long story short, im building myself a cnc machine. The spindle (drill basically) is watercooled. It has a pair of 6/8mm compression fittings on it. I was happily planning to use old pc watercooling bits i have to hand to cool it. Then realised the water "jacket" of the motor is...
  3. robinlawrie

    3990x tuning advice

    one other question.. if you have used this motherboard.. how do you find the single core performance? running single core tests (cinebench single core for example) it literally NEVER uses the starred "best" cores in ryzen master.
  4. robinlawrie

    3990x tuning advice

    ahh you are lucky, it seems common users dont get much love from asrock. - ive got some wierd PBO issues that i would LOVE to ask them about, but if they dont reply to tech support messages on their dedicated "tech support" messaging system, or to posts on their forum, theres not a lot i can...
  5. robinlawrie

    trying to understand PBO behaviour.. any experts out there?

    so much for my theory about the throttling being caused by voltage limit.. today its boosting to 3.7 all core, but voltages are sitting at 1.2v.. which is above the current 1.18v "peak core voltage" basically pbo is wierd. im beginning to doubt if anyone actually understands it.. apart from...
  6. robinlawrie

    3990x tuning advice

    you managed to get support from asrock? i mailed them 11 days ago and theyve not replied yet. note, that im perfectly stable at default settings xmp 3200 cl15 (or 16, i believe gear-down rounds it up) i even appear stable at the same timings, but 3400 and 1.375v, although ive not benched...
  7. robinlawrie

    3990x tuning advice

    thanks for all the replies.. especially suggested voltages and whatnot. my main aim is stability and definitely not risking the lifespan of the chip. second comes getting the most i can out of the setup. it was a crazy decision buying it, and it has to last a damn long time to justify the...
  8. robinlawrie

    trying to understand PBO behaviour.. any experts out there?

    so ive had my new monster 3990x workstation a couple of weeks. i thought i had a handle on PBO. probably i dont.. its too clever for me. if i set the wattage over 400w or the TDC over 325 amps, i get throttling from 3.9 ish down to 500 mhz in hwinfo, or 2.8 if i look at ryzen master. this...
  9. robinlawrie

    3990x tuning advice

    so, revisiting the PBO stuff.. i settled on a 550w limit since (it seemed) it gave me a solid 3.9ghz all core, with 400w going through cpu. a nice compromise between clocks and insane power consumption. however now ive tested it with a longer render, i can see that also with this setting...
  10. robinlawrie

    3990x tuning advice

    another test. i bumped dram voltage to 1.375 and increased clock to 3400 1:1, leaving timings at cl15 my scores went down even more than when i enabled 1:1 on 3200.. wut?
  11. robinlawrie

    3990x tuning advice

    ok so i have my machine set up. it runs fiiine. 3990x asrock creator trx40 128gb tridentz 3200cl15 however im just starting with tuning it up and i have a few observations: first, at default, my tridentz ram with xmp profile loaded runs at the correct 3200 clock.. however the infinity...
  12. robinlawrie

    Update asrock creator trx40 bios without cpu

    Hi all. I have a creator trx40 motherboard and a 3990x cpu arriving in a couple of days. Ive read that the 3990 is only supported with the latest bios. Since i ordered mobo before cpu was even released, its highly possible it won't have the latest bios. Given i am hardly likely to have another...
  13. robinlawrie

    3990 help :D

    Yes its the trx40. Buying the wrong motherboard would be quite a nooby step! The reason i chose that one, was my original choice of a 3970.. I changed cpu choice after everything had shipped. Its also ideal in other respects, atx size, space for 4 gpus..
  14. robinlawrie

    3990 help :D

    ok so i about to receive a 3990x. ive never had a ryzen before. my last build was a watercooled 3930k way back. obviously its a massive investment ( im a 3d animator) so i dont wish to risk damaging the chip. the multithreaded performance is just fine. however im wondering how i can...
  15. robinlawrie

    3990x and asrock creator.. Vrm?

    Hi, im just about to recieve the bits to build my new killer 3d workstation, including an asrock creator motherboard and 3970x cpu.. Of course ive now seen the reviews of the 3990x, particularly with pbo and in vray.. Its aweeeesome. Im going bonkers trying to decide if i want almost double...
  16. robinlawrie

    Powerful machine in small case

    Theoretical build: threadripper 3970x and 2080 ti, watercooled in cerberus x case. Can fit a 280mm rad and a 240mm rad, with the main challenge being space for airflow once all components are in. Is that enough radiator or will i have problems?
  17. robinlawrie

    128gb/threadripper 3970x

    so, ive ordered my bits. when i finally get them all and build my machine, we will have to compare notes. i was wobbling horribly about my memory choice, conflicting advice everywhere on wether those 32gb dimms were going to leave loads of performance on the table due to slack timings or...
  18. robinlawrie

    real world difference in memory performance ( 3d work, non gaming)

    im building a new threadripper 3970 workstation and have to choose between two 128gb options. either Corsair 4x32gb (3600 18-22-22-42) which is a) cheap and b) provides an easy upgrade to 256gb (which i may need in the next 5 years) or gskill trident z 8x16gb (3200 15-15-15-35) which is...
  19. robinlawrie

    128gb/threadripper 3970x

    best comment of an extremely useful post :) yeah ill only get led ram if its cheaper.. i believe you can turn them off?! anyway you basically have the same setup im considering. i really like the asrock board because its "cheap" has room for 4 gpus and is atx instead of tennis court...
  20. robinlawrie

    128gb/threadripper 3970x

    hi all! as title, im building a new 3d workstation. im getting very confused researching ram. i would like 128gb (im a 3d animator, trust me, ill use it) so.. there is precious little info online regarding compatibility with threadripper 3rd gen and 128gb+ ram setups. i understand its...
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