X99 Bios ((install)): Qiyida

Disabling this allows native CPU power states (C-states) and unlocks the ability to use tools like VoltageShift .

If your GPU does not have a UEFI GOP driver (old GPUs like GTX 700 series), disabling CSM will cause a black screen. qiyida x99 bios

If you just want the stock BIOS file, I can guide you on how to request it from your seller or find it on Chinese forums — just let me know. Disabling this allows native CPU power states (C-states)

: Always use a tool like FPT (Flash Programming Tool) or a CH341A external programmer to save several copies of your factory BIOS before modifying . : Always use a tool like FPT (Flash

This is a popular "exploit" for Chinese X99 boards. It forces the CPU to its highest clock speed across all cores. It requires a BIOS flash to remove specific microcode (6F2) and add a custom EFI driver. Undervolting:

Consequently, the Qiyida X99 BIOS is often utilitarian, text-based, and requires a bit of manual tweaking to get the system running at its peak.

This is the dashboard. It displays: