Nice news!
Add "[Solved]" to this topic's header by editing first post.
Post screenshots of first (CPU) & third (Mainboard) tabs of CPU-Z with current CPU.
"Current CPU" is your T7700.
Give me link for 18CN46WW(V2.55) BIOS.
Lenovo's site hasn't it.
What does it means - "Len21" in name of mod?
I'll make new mod later.
Give me link to topic where you took it.
Give me link to topic where you took this BIOS mod.
I don't modify non public mods.
No, I make CPU support mods only.