spawn2qc Posted March 31, 2019 Share Posted March 31, 2019 Hello, This is the first time for many things: first build, first overclock and first post on this forum. I have hard time trying to overclock my memory. At default value, no XMP and 2133Mhz, everything works. As soon as I enable XMP, 3200Mhz is the value set to frequency, Windows doesn't boot. I have not played with voltage or anything else. Can you help me settings value on bios please? I don't know where to start... Thanks! Link to comment Share on other sites More sharing options...
BatJoe Posted April 1, 2019 Share Posted April 1, 2019 We have no idea what your memory is. Set voltage manually to 1.3 or 1.35 Link to comment Share on other sites More sharing options...
spawn2qc Posted April 1, 2019 Author Share Posted April 1, 2019 We have no idea what your memory is. Set voltage manually to 1.3 or 1.35 Hello BatJoe, First of all, thank you for your answer, I really appreciate. :headbang: I entered my setup on the black box under my nick name called "spawn2qc's PC Specs". spawn2qc's PC Specs Motherboard MSI Z390 ACE Processor Intel i9-9900k Memory CMW32GX4M2C3200C16 Video Card # 1 MSI 2080 DUKE Hard Drive # 1 Samsung 970 pro 1TB Power Supply Corsair HX1000i Case Be quiet!Dark base Pro 900 Rev2 Operating System Windows 10 64bit https://www.corsair.com/fr/en/Categories/Products/Memory/Vengeance-PRO-RGB-Black/p/CMW32GX4M2C3200C16 I tried yesterday night to increase the voltage to 1.35V and set frequency to 3200Mhz. I was able to load into Windows, but unable to start any games. I went back to 2133Mhz and I am able to start games. In the "Specs" section of the above hyperlink, I can see 2 differents "Frequency", "Latency" and "Voltage". Tested Latency 16-18-18-36 Tested Voltage 1.35V Tested Speed 3200MHz SPD Latency 15-15-15-36 SPD Speed 2133MHz SPD Voltage 1.2V Should I set the latency too? I need help from someone with more knowledge than me. Thank you and have a good one! Link to comment Share on other sites More sharing options...
c-attack Posted April 2, 2019 Share Posted April 2, 2019 When you enable XMP, the DRAM voltage should automatically set to 1.35v. 3200 MHz should not be terribly difficult for your CPU/board combination. I don't know how MSI implements their XMP features, but verify the frequency is set to 3200, primary RAM timings are set to 16-18-36, and the DRAM voltage is 1.35. The two other variables that most often need adjustment are VCCIO (or IO voltage) and VCCSA (System agent) voltage. Some board makers have some other names for the SA voltage. These values are not usually altered by the XMP memory preset and instead go to whatever value the board maker (BIOS) assigns for that frequency. These things are often very individual, so your 9900K may not need the exact same amount as someone else's and unlike most other settings where more is better but hotter, too much SA or IO can lead to instability as well. Take note of the default values and try 1.20v for both IO and SA. If you are still having trouble, try turning off XMP, manually assigning the primary timings (16-18-18-36) as well as the 1.35 DRAM and 1.20 SA/IO voltages. This will force to the board to find secondary and tertiary timings for that speed. It may choose slightly softer timings that will allow you to boot up. Link to comment Share on other sites More sharing options...
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