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  <title>ASRock Forums : Asrock B660 Steel Legend Default XMP Not stable.</title>
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   <title><![CDATA[Asrock B660 Steel Legend Default XMP Not stable. : I think it would be best to use...]]></title>
   <link>https://forum.asrock.com/forum_posts.asp?TID=24584&amp;PID=100733&amp;title=asrock-b660-steel-legend-default-xmp-not-stable#100733</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://forum.asrock.com/member_profile.asp?PF=24360">threadzipper1957</a><br /><strong>Subject:</strong> 24584<br /><strong>Posted:</strong> 26 Jul 2022 at 11:12pm<br /><br />I think it would be best to use the support form, this way ASRock has more info on the hardware, and BIOS version, and can help<br /><a href="https://&#101;vent.asrock.com/tsd.asp" target="_blank" rel="nofollow">https://event.asrock.com/tsd.asp</a><br />When using gmail, check your spam folder for replies.<br />I see that you ar using 2 kits, you should download thaipoon burner, it can readout the SPD chip, on the memory module.<br />Besides Samsung and Crucial, the rest are assemblers, they buy PCB's and chips, but due to a chip shortage of DDR4 memory chips, since introduction, they use any chip they can lay their hands on, and as long as the timing and speed are the same, they keep reusing the partnumber.<br />I have seen people buying 2 kits, one came with Micron chips, the other with Hynix, and the partnumber was the same, I even see that sometimes not only the brand of the chips differs, but also the size, and still use the same partnumber.<br />XMP is a set of vallues that is SUPPOSED to work on all existing combinations, of CPU, Chipset, and MOBO, and is far from optimal, and is also not guaranteed.<br />Here is how it tried it<br />Before changing settings, always load default settings (f9) and save with f10<br />1.  don't use XMP, just set the DRAM speed to 3200, and save<br />2.use the 3000MHz XMP, but manually set the DRAM speed to 3200, maybe the timings work better.<br />3. use a FAT formatted USB stick, go into BIOS, and go to the DRAM configuration<br />Somehwere you should see the different timings.<br />Press f12 to make a BIOS screenshot, and print this<br />You will see all kinds of names and numbers, and this is important, there is a primary and secondary timing<br />tCL, tRCD, tRP, and tRAS belong to the primary timing, tRc, tRFC1/2/4 and the other are secondary timings<br />in BIOS you will see those values like tRFC, tRFC2, tRFC4, and if your smart, you also make a screenshot of the secondary settings, only value that doesn;t exist is tCCD_L<br />when using XMP, only Primary settings are taken over from XMP, Secondary settings usually stay on auto and the values do not match the info from the SPD chip.<br />You can try changing these manually.<br />But, don't forget, when making changes, always first reset to default.<br />And of course you can make screenshots.<br />When the kits, you have, have different chips, go for Patriot Viper, I have very good results, it always works<br /><br />]]>
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   <pubDate>Tue, 26 Jul 2022 23:12:37 +0000</pubDate>
   <guid isPermaLink="true">https://forum.asrock.com/forum_posts.asp?TID=24584&amp;PID=100733&amp;title=asrock-b660-steel-legend-default-xmp-not-stable#100733</guid>
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   <title><![CDATA[Asrock B660 Steel Legend Default XMP Not stable. : Hi, I recently bought a B660 Steel...]]></title>
   <link>https://forum.asrock.com/forum_posts.asp?TID=24584&amp;PID=100188&amp;title=asrock-b660-steel-legend-default-xmp-not-stable#100188</link>
   <description>
    <![CDATA[<strong>Author:</strong> <a href="https://forum.asrock.com/member_profile.asp?PF=6828">Bluegap</a><br /><strong>Subject:</strong> 24584<br /><strong>Posted:</strong> 01 Jun 2022 at 6:09pm<br /><br />Hi, I recently bought a B660 Steel Legend with Intel i5 12600k and installed 4 sticks of Kingston HyperX RGB ( KHX3200C16D4/8GX ).<br />There are 2 XMP profiles I can choose from the memory, when I set it to 3200 profile it will boot into the OS (Windows10), but is unstable random program crash and sometime BSOD. However It run smoothly with only 2 sticks or 4 sticks with 3000 profile which is I use right now.<br />I know that the memory currently is not in QVL, is there any workarounds to make it stable with 4 sticks at 3200 and would be happier if it can be OC'ed beyond that.<br />Things that I've done with no sign of stabilize:<br />- Increase Memory voltage up to 1.4 Volts<br />- Increase SA voltage up to 1.4 Volts<br />- increase VDD up to 1.3 Volts. <br /><br />&nbsp;&nbsp;&nbsp;<br /> ]]>
   </description>
   <pubDate>Wed, 01 Jun 2022 18:09:55 +0000</pubDate>
   <guid isPermaLink="true">https://forum.asrock.com/forum_posts.asp?TID=24584&amp;PID=100188&amp;title=asrock-b660-steel-legend-default-xmp-not-stable#100188</guid>
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