Currently, we change the CFG5&CFG6 Pull-up/Pull-down by hardware to configure the PEG with x16 or x8+x8(bifurcation).
I wonder is it possible to configure the PEG with x16 or x8+x8 only by BIOS setting?
Hello , @JLin7:
Thanks for your clarification.
We suggest you review with the assistance of your BIOS vendor the information stated in sections 3.2, 12.13.2, 12.17.1, 14.6.4, 14.6.7, 126.96.36.199, 188.8.131.52.4, 14.11, 14.13, and 17.2; on pages 46, 175, 184, 205, 206, 212, 215, 222, 223, and 237 of the Skylake, Kaby Lake and Coffee Lake, Whiskey Lake and Comet Lake Processor Family Core and Uncore BIOS Specification document # 550049. It can be found when you are logged into your Resource & Design Center (RDC) privileged account at the following website:
The RDC Account Support form is the channel to process your account update request or any inconvenience related to the provided website. It can be found at: