What is the Blackwell lock voltage?
What is the Blackwell lock voltage?
Hey there,
I’m trying to figure out a solution for this issue. I have an ASUS Prime RTX 5080 and after overclocking, the core voltage maxes out at 1.045V, which is really low for stable overclocking. I’ve tried different BIOS settings like Zotac, PNY, and ASTRAL, but nothing changed. Everything still ends up the same. I’m using MSI Afterburner and locking the curve settings, yet the limit voltage stays the same. I’m a bit confused—am I missing something or is this a locked setting?
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Nvidia has restricted the voltages since the 10 series if I recall right. They transferred all BIOS functionalities to an online service, giving them control over any OEM attempting to surpass their specifications. This prompted dedicated overclockers to redirect modifications for increased power or take direct control of the VRMs, adjusting voltages through I2C or SPI (though I’m unsure which protocol is used). Enhanced cooling solutions will improve boost performance. For those not interested in physical modifications, investing in better cooling with a water block and related components is the best approach.
My setup includes:
CPU: AMD Ryezn 9 9950X3D
MB: ASUS B650E-F Gaming
CPU Cooler: Arctic liquid freezer 360
GPU: ASUS Prime RTX 5080
PSU: Corsair RM1000x
SSD: Samsung 990 Pro NVMe 4TB
RAM: 2x 48GB 6000MHz
The only new parts are the RAM and SSD.
I plan to improve cooling with conductonaut, but I risk losing warranty since removal may void it. This is my last resort. I’ll experiment with software tweaks before considering better cooling options.