Adjust the BIOS settings for your AMD 7 2700X and ROG Strix X470-F gaming graphics card.
Adjust the BIOS settings for your AMD 7 2700X and ROG Strix X470-F gaming graphics card.
MB: ROG Strix X470-f Gaming
RAM: 32 GB Hyperx Predator DDR4 3200MHz (4 x 8)
GPU: NVidia GeForce RTX 2060 (6gb mem)
PSU: Corsair TX 850M (850W 80 plus Gold)
CPU: Ryzen 7 2700X and stock Prism Wraith cooler
When using PBO or full auto, I experience amazing speeds, but Core V shows in Ryzen Master as 1.45 to 1.55... for a short period before shutting down the system. Temperatures stayed within specs but reached 75 to 84°C, and EDC (CPU) was around 1000% or something extremely high. I immediately shut it down and started looking up advice.
I’d like to achieve stable performance with PBO while letting Ryzen handle its tasks—without risking damage. I’m new to overclocking and want to avoid overheating and excessive voltage. If possible, any tips would be really helpful.
Thanks a lot.
Mike
You are requesting adjustments on the second page of AI Tweaker. You want to eliminate the multiplier, allowing XFR/PBO to function normally while restricting Voltage and Temp to avoid problems. In Windows, I have set a high performance power plan but lowered the minimum usage from 100% to 80%. Currently, with these settings, the computer reaches 60C during startup, though the clock appears normal. You also mentioned running CB R20 under these conditions and achieving a temperature just above 85°C near the end. Please let me know.
Why avoid the Ryzen Balanced Power Plan? It allows your CPU to slow down during inactivity and increase only when necessary. This should greatly reduce your CPU idle times as well.
I have moved to Ryzen Balanced and will check its performance on lower end temperatures...but I’m aiming for tighter control on higher voltage/heat if possible. And I’d like to let Ryzen handle it without manually setting targets. Here are the HWMonitor results during a CbR20 test with current settings.
https://drive.google.com/open?id=1UgqZfZ...RpqfYGZ3-B
In my first reply I tried just locking the voltage, but the CB R20 froze up and I had to keep the power button pressed to shut it down. It seems I might have missed something... possibly other settings interfered. I think I need more details.
Thanks,
Mike
I share the same motherboard and processor you do. My BIOS settings are configured for 4.35Ghz all core, and my RAM is overclocked to 3600Mhz CL14 with quick sub-timings. On Cinebench R15, I consistently achieve a score of 2020, which remains stable. Typically, I run it at 4.25Ghz all core for continuous use. I’ll walk you through the steps to configure your processor for PBO.
First, you’ll need improved cooling if you aim to reach 4.35Ghz. The current setup is already solid, but a better solution would be using a Noctua NHU-14S with two 140mm fans in a push-pull arrangement. It’s a top-tier option and performs exceptionally well. I can also guide you through clocking your system at around 4.2Ghz all core, which the Wraith Prism might be capable of depending on your room temperature.
Now, regarding BIOS settings:
You should update your BIOS to version 4602, which introduces several optimizations. You’ll also need to refresh your chipset drivers. Here are some links for reference:
- ROG STRIX X470-F GAMING | Motherboards | ROG Global
Best AMD Ryzen ATX motherboard with Aura Sync, SupremeFX, ROG Audio, Dual M.2, Intel LAN, VR functionality, M.2 heatsink and USB 3.1 Gen 2
www.asus.com
https://www.amd.com/en/support/chipsets/...t-am4/x470
In the BIOS, set your RAM to default speeds (appropriate for your build) by enabling DOCP under the AI overclock tuner. Then configure Performance Enhancer – this will be the primary tool for PBO. Setting it to level 2 will push you to about 4.16Ghz all core; level 3 (OC) boosts to 4.20–4.25Ghz, and level 4 (OC) up to 4.35Ghz. With standard cooling, level 2 or 3 is recommended, though you can adjust to level 4 for real-time tweaks via Ryzen Master. I usually set it to level 4, then use Ryzen Master in Windows with Creator Mode and Precision Boost Overdrive. Setting EDC around 152 achieves ~4.25Ghz all core with 98% EDC limit – which is stable. Lowering EDC reduces boost, while raising it increases it. You can also try level 3 and gradually lower EDC until you reach 4.2Ghz all core, which the Wraith Prism may handle.
Keep in mind that unless you upgrade your cooling, sticking to levels 2 or 3 is wise if you plan to use Ryzen Master for further adjustments.
Another BIOS option is Performance bias, which automatically fine-tunes several parameters. I prefer the Aida/Geekbench setting. Enable Precision Boost Overdrive and set the scalar to 10X. Then adjust your Vcore – on our boards, this is called VDDCR CPU Voltage. Earlier BIOS versions required a negative offset, but with BIOS 4602’s improvements, a positive offset of 0.05000V is now needed for stable 4.35Ghz all core operation. If your machine shuts down repeatedly during boot, increase the voltage. After booting Windows, run stability tests like Prime95 or Aida64. If instability occurs, tweak the voltage offset in BIOS until it’s stable. In BIOS, setting VDDCR SOC Voltage to manual and around 1.02 should work well with default DOCP RAM settings.
After configuring PBO, choose your Power Plan in Windows. I usually select Balanced with a minimum state of 5% and a maximum of 100% (the default for Balanced).
Overall, it’s not overly complicated once you understand the adjustments. Just ensure your temperatures stay under control. Unless you upgrade your cooling, sticking to levels 2 or 3 is advisable if you plan to fine-tune with Ryzen Master for EDC and boost settings.
I observed that enabling the R7 2700X to self-overclock via PBO leads to greater stability when using a voltage offset. My setup involved 1.3V with no offset, running Performance Enhancer level 4 at 4.35Ghz across all cores. The system would boot and operate normally, albeit with limited performance—only about 15 to 20 minutes on Prime 95 and failing Aida64 stability tests. After applying a positive offset, full stability was achieved.
It’s worth mentioning that the BIOS versions for the Strix X470-F differ significantly. In the standard "out of the box" version (possibly 4024), a negative offset was necessary, but after Asus updates, a positive offset became required.
The initial recommendation is to update chipset drivers using the provided link and flash the latest BIOS version 4602. This version offers the most stable performance among older BIOS releases (which I’ve tested). Once updated, DOCP will enable memory to operate at its intended specifications. Performance Enhancer will then define PBO’s maximum all-core boost (level 2 or possibly level 3), after which the positive offset can be applied. For Performance Enhancer level 2, a 0.03000 offset seems adequate, while level 3 would require around 0.04000. These values may vary per processor, but they serve as solid starting points.
With BIOS 4602, there are also options for PBO under the RAM sub-timings menu, allowing activation and setting a scalar of approximately 10X for optimal results.
Essentially, adjusting RAM settings, Performance Enhancer level, PBO, and Vcore offset is sufficient to achieve stable overclocking at 4.15–4.35Ghz all-core. Further refinements can be made by tweaking parameters and RAM timings. I’ve managed to maintain a solid score with Cinebench R15 (2020) and R20 (4443), though both tests ran at 4.35Ghz all-core and required premium cooling.
With the most aggressive PBO boosts, my system reached 4.35Ghz all-core, but I observed irregular voltages—some unsafe. When all cores are active (during Cinebench or Prime 95), a steady 1.35V is seen, whereas single-core tests show fluctuations between 1.41–1.44V. Occasionally, voltage spikes up to 1.5V were recorded briefly. These fluctuations aren’t alarming; AMD acknowledges they’re inherent to PBO. As long as temperatures stay under control, it’s acceptable.
For temperature monitoring, Ryzen Master is the best tool, and I prefer keeping temps below 75°C. Target readings around 70°C are ideal (as reported). Temperatures vary per user, but ensuring proper case ventilation, adequate cooling, and a quality heat sink is essential. With good cooling, the Prism model consistently handled 4.2Ghz all-core, which aligns with my experience. I have six 140mm fans installed for optimal airflow.
Wow this is a very detailed troubleshoot that a lot of people could benefit from. Hats of to you for the easy to follow advice
👍
I attempted to enhance every processor I've owned, from Pentium to Athlon, but Ryzen behaves quite differently. I spent many weeks adjusting the 2700X until I realized it performs best when PBO handles the overclocking, rather than trying to force it myself. After figuring that out, it became clear that successfully overclocking the 2700X required simply aligning the settings with PBO. Once that was resolved, it turned out that working with the 2700X was actually simpler, and I found myself complicating things unnecessarily. The main hurdle remained identifying the correct Vcore offset voltage, as well as SOC and RAM voltage settings when fine-tuning. Overall, I'm very impressed with how effectively PBO functions.
I also strongly suggest using the Ryzen DRAM Calculator for all Ryzen+ systems (and possibly Zen 2) to optimize your RAM. This tool assists in setting sub-timings and voltage, and improving RAM speed while reducing latency significantly boosts performance. AMD's Infinity Fabric, which synchronizes with the processor's RAM frequency, means faster RAM leads to tighter sub-timings and enhanced overall speed.