... Maybe it's IRQ allocation on BIOS side that is the issue ... That's exactly what the problem is - BIOS resource allocation with GPUs that have 4 GB of VRAM or more. I had the same problem with my GTX 1050 Ti which has 4 GB VRAM. I found the solution accidentally when I plugged in my PCI sound …

I changed my CPU multiplier in BIOS. Over x14 was possible, but CPU-z couldn't tell what CPU I was using anymore. Just to confirm : Does CPU-z see SSE4.1 as instruction that is supported on your CPU ? Can you check your CMOS battery with multimeter ? Yes, CPU-Z shows that SSE4.1 is supported, my …

Disable C1E/SpeedStep for multiplier control, also use "Manual" instead of Auto when you can. Vdroop on CPU from VRM may prevent CPU from working after OC, it depends on Your board capacitors state. In general for Quad Cores OC on this board, a VID mod on CPU is needed. It increases default voltage …

Has anyone gotten the multiplier adjustment working with 4CoreDual-SATA2 and Core2 Extreme QX9650 or QX9770? I have a QX9650 and I can successfully change the multiplier only if I set the "Overclock Mode" to "[Auto]" on the "CPU Configuration" screen, which effectively sets the FSB to 266 MHz. If I …