Very elevated resting temperatures observed.
Very elevated resting temperatures observed.
Specs include a 7800x3d Arctic Liquid Freezer II 360 with 32GB DDR5 RAM, 6000 trident B650i from Aorus Ultra Corsair RM850E, and a Radeon 7800X. CPU idles around 99% utilization. I used a -20 curve offset but saw no impact. Any advice?
Check if the pump is properly linked to the motherboard header and that it’s active. Confirm the UEFI fan/pump connector is set to pump mode if available. Ensure air flows through the radiator. If everything checks out, the cooling block isn’t installed on the CPU or motherboard correctly. Revert the -20 curve offset—it might be causing problems, not power issues. For a fresh build on a new platform, install Gigabyte Control Center and update all settings to prevent future complications.
The problem has been fixed. I removed the pump header cable, and everything is functioning properly now. What I meant by "it can only cause issues" was that if I hadn’t taken that step, the situation might have gotten worse or led to further complications.
They suggested it wouldn't significantly improve your temperatures, and there could be unexpected outcomes that were difficult to resolve. If everything is functioning properly, you're free to adjust the curve optimizer.
TL;DR, if lowering the voltage was so simple as setting it to -20 on every core you'd see better cooling and faster clocks—but you'd likely face stability problems without thorough testing. The advice online about universal undervolting is misleading. Lowering voltage too much often leads to math errors, causing crashes or unpredictable behavior. Real stability checks require extended testing, like using CoreCycler for a week-long run, running 12-hour tests per core, and observing idle performance. Each CPU core varies due to manufacturing differences, so what works for one might not work for another. Running an undervolted CPU can hide errors, but when you turn it back off, issues often emerge. It’s not a guaranteed fix and can introduce new problems.
I might try using a rolled-up sheet of paper as a hearing aid and check if I can hear the pump—this could be tough because the VRM fan makes a lot of noise. If you don’t hear it at all or it sounds very slow, that might be the issue. Another chance is the pump isn’t installed properly, so it’s not making proper contact with the CPU heat spreader. In theory, some air bubbles could be stuck inside the pump, but with a top-mounted radiator, the heat cycles should have moved them up to the radiator.
I only notice the fans; it's possible they're there but not audible. 2. I removed the block, re-applied thermal paste, etc.—no change when setting the system fan to voltage control (referenced) and running fans at full speed—still no effect.
It seems like the device is not functioning properly. If you're experiencing this, it might help to reach out to Artic Support for assistance.