Problem reaching 3600mhz on memory device.
Problem reaching 3600mhz on memory device.
Looking for assistance with boosting my memory clock speed to 3600mhz. Attached are some BIOS screenshots. Currently I'm stable at 3333mhz, but changing RAM speed to 3600 and clock to 1800 causes the system to crash. I've increased voltage for stability but the issue persists. Resetting BIOS to defaults and using DOCP profile didn't help. It seems I might be missing a setting or my RAM isn't supporting 3600mhz. Specs listed below.
Increase your SOC slightly, it's below the default level. Return it to 1.08V. Initially, set VDDG CCD and VDDG IOD to 0.95V or adjust to 950mV if that isn't possible. Use CLDO VDDP at 0.9V or 900mV. VTTDDR should match half of your DRAM voltage. Your DRAM voltage appears low, but you're safe to raise it to 1.35V and then VTTDDR to 0.675V. VPP_MEM works at 2.5V, but you might need to increase it slightly to 2.52V due to Vdropp. It's not necessary, though. I suggest using the BIOS search for ECC and disabling it afterward.
Thanks for your input! After adjusting the memory frequency and clock speed, it still boots into safe mode. This could be due to hardware limitations or firmware constraints. Consider checking the system documentation for supported frequency ranges or consulting with technical support for further troubleshooting.
You might want to test these configurations, though they could affect performance. I own 4x16GB Crucial Ballistix 3200CL16 OC'd to 3666CL16. It could help boost DRAM Current Capability to 110% or 120%. In the Advanced settings, adjust MemAddrCmdSetup, MemCsOdtSetup, and MemCkeSetup to 0. Disable Sense MI Skew. Under the AMD CBS/CPU Common Options, set L1/L2 Stream HW Prefetcher to Enabled. For memory addressing, clear the Memory Interleaving Size to 512 Bytes and enable PMU Pattern Bits Control. Set FFE Write Training to Enabled, and ensure Adress Hash CS is enabled with Memory interleaving. Save your changes before applying them, so you can revert easily if needed. Good luck!
Quad rank issue may be present With 64GB RAM on a 4-slot setup, they could be dual-rank modules. If these are dual-rank sticks, Ryzen may not support even 3600MHz in quad rank mode. CPU-Z will indicate whether it's running in quad rank. This setting typically reduces the maximum stable frequency. When dual-rank modules operate in quad rank mode (two sticks per channel = four ranks per channel), achieving 3600MHz might not be feasible, especially if memory timings are loose. I recommend experimenting—probably they’re single-rank sticks. It’s quite likely your CPU can’t reach 1800MHz. This isn’t unusual. Keep your CPU in place while you determine the optimal memory clock and frequency. You might not be able to hit 4.3 cores per core with your current memory and frequency limits. Consider adjusting memory timings first, then lower the SOC voltage as needed. If that doesn’t work, try 3200MHz RAM with a 1800MHz clock; it will help identify if the clock speed is the bottleneck. Be very cautious with LLC settings—it can generate excessive voltage spikes. Unless you’re aiming for record-breaking results, high LLC levels aren’t advisable. Vdroop is beneficial. Usually, when you hit the absolute upper limit of all-core OC or minimum stable voltage, adding more memory and frequency won’t help. You’ll need to make small adjustments until stability is restored.