ну уж если сам Интел называет их ....CMC

ну уж если сам Интел называет их ....CMC (Chipset Microcode)

далее по даташиту... 319537.pdf

64 KB of space. The starting address for the CMC code can be FFFB000h, FFFC000h,FFFD000h, or FFFE000h. Refer to Section 2.17 for selecting the CMC start address. Make
sure to avoid using the same starting address for other LPC devices in the system.

17.1.4 LPC Output Clocks
The Intel® SCH provides ..... The buffer strengths of LPC_CLKOUT1 and LPC_CLKOUT2 default to 2-loads per clock and can be reprogrammed by the CMC by using the SoftStrap utility.