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asrock 870 extreme3 r2.0 not seeing 32GB Ram |
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datonyb 
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Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139 |
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 Topic: asrock 870 extreme3 r2.0 not seeing 32GB RamPosted: 22 Sep 2017 at 1:16am |
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frozen could have been an issue with sleep mode and the full on test at same time
which is something you probably wouldnt encounter in real use |
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 [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
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Konyak
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Posted: 21 Sep 2017 at 11:48pm |
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I agree, it is a good result
 I have not had much time to mess around with timings, I need to read up on some things there and find a good memory stress tester. I downloaded HCI Memtest but it only allowed me to test 2000MB per session ( I ran 6, one for each core ) and the computer was frozen when I returned some hours later.
That was at the 9-10-9 timings which auto settings selected, but the Ram is listed at 10-10-10. Perhaps it's already unstable at 9-10-9. |
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wardog
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Posted: 16 Sep 2017 at 10:03am |
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datonyb
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Posted: 16 Sep 2017 at 5:41am |
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p.s. we seem to have proved your memory controller is crapping itself at 1833
overall with all that ram ,i dont think you have had a bad result |
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datonyb
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Posted: 16 Sep 2017 at 5:39am |
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yeah its simple mate
lower the timings one at a time restart and run a decent stress test |
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Konyak
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Posted: 16 Sep 2017 at 3:02am |
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Hey guys
Ok, 1600MHz is working. CPU-Z says the timings are 9-10-9-26-36. Timings were 10-10-10 at 1833MHz so as you said, the difference will be very slight or 0.53 ns. (from a CAS chart on wiki) I'm not sure if I should look into adjusting the timings further. I have the voltage still at 1.5v. I'm open to suggestions regarding overclocking or tweaking of any sort :) Thanks again!
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datonyb
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Posted: 15 Sep 2017 at 3:50am |
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can you let us know the final outcome please ,just so we know it worked so we can advise people better in future
cheers tony |
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[/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
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Konyak
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Posted: 15 Sep 2017 at 2:41am |
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I just tried setting 1333MHz and 1.501v leaving the rest on Auto. It boots up and shows 32GB :) Have yet to try the 1600MHz but am in a hurry.
CPU-Z shows the Memory tab with NB frequency at 1995 MHz and Timings at 8-8-8-22-30. Dram freq at 665 MHz.
Will see how the 1600Mhz turns out later on. Thanks ! |
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datonyb
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Posted: 14 Sep 2017 at 9:53pm |
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i would say it probably depends more on the max speed of ram and the actual timings obtained at those speeds its no good getting an extra 500 mhz if the timings go through the roof however without the actual board in front of me i can only advise what is written on tech sheets and other posts hopefully the root of problem is the attempt at 1833 with 4 double sided sticks, and in fact you do suceed in reaching 1600, then the difference between 1600/1833 can only really be measured by software bench tests or in your case 10 seconds shaved off a 20 min video edit |
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[/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
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Konyak
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Posted: 14 Sep 2017 at 9:19pm |
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Wardog: If by serial number you mean from the same package, then yes (sorry, at work so I can't check the numbers).
Datonyb: I got the memory to make the system better for handling 4K video editing. The prospect of downclocking to 1333 isn't appealing and I wonder if 16GB at 1866MHz isn't better than 32GB at 1333. I'm toying with the idea of swapping out the mobo for a more recent one and getting a FX-8350 CPU for it. I will try what you suggested tonight if I get the chance. I'm currently running 16GB at default settings, which for some reason, is 1.65v even thought these are listed as 1.5v sticks. |
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datonyb wrote: