DDR3 2400MHz causes issues on z97 with an i7 4790k processor
DDR3 2400MHz causes issues on z97 with an i7 4790k processor
Hello, I recently purchased a Corsair Vengeance Pro 2400MHz DDR3 8 GB set of four units paired with an i7 4790k processor on an Asus Z97-K 2.0. I wasn’t aware that 2400MHz RAM required special adjustments, and this is my first experience. I’m completely confused now. Initially, I tried setting the XMP profile to Profile 1, but it kept crashing for various reasons. A forum thread suggested adding +0.06 at the VCC pin—this led me to check my BIOS settings. I found three offsets: CPU System Agent Voltage Offset, CPU Analog I/O Voltage Offset, and CPU Digital I/O Voltage Offset. I applied +0.06v and +0.1v, but both still caused crashes during boot. Eventually, I returned to the default frequency of 2133MHz, which is stable now. I’ll share a photo of my BIOS for clearer guidance, as I have no prior knowledge of the terminology or settings. The monitor and other components are included in the picture. Please help me understand how to properly configure this RAM and possibly optimize my CPU performance. Thank you in advance. My BIOS was last updated in 2016.
ddr3 that speed is similar to DDR3, it will have the same number of pins as DDR4 4800. Just manually adjust settings.
It would be helpful to know if you've checked the CMOS reset before installing the new parts.
I attempted that, but it’s still the same. I’m really struggling and would appreciate guidance. Do you have any YouTube tutorials you recommend to manually adjust it? I might settle for keeping it at 2133 if you can’t help further.
You're still using the Asus Z97-K? It's a more affordable version, which might be limiting performance. Adjusting the system agent and I/O voltages could help stabilize it. Another option is manually changing the memory ratio—try 100:100 or auto to 100:133. You might also test with just 2x8GB to see if it functions at all. What's the skew in the memory kit you're using? Your wife's PC has a delayed i7 4790K OCed to 4.8-5.0GHz on an Asus Z97-A with 4x8GB of 2400Mhz DDR3, customized timings. I have some experience with setups like yours.
I used MSI Z97 gaming 3, but it stopped working after a while. I needed a second-hand one, which is what I got. I mentioned testing the CMOS earlier this morning—adjusted the frequency to 2400MHz manually and it functioned for a while, then crashed again. After resetting it back to 1333MHz, it still kept crashing. I’m trying to redo the CMOS process now. It’s taking a lot of time. EDIT: At 2133 and 1333, it crashes whenever I open Assassin's Creed Valhalla; it worked fine at 2400MHz this afternoon.