@naporitan
About your request items ,i have researched it a while ,below was i found out on the AMIBCP.
1. FastSpeedPlus SCL Low
You can found some options that name like Serial IO xxxx Settings under PCH-IO Configuration >> SerialIo Configuration ,you can find option "FastSpeed SCL Low" under these Serial IO xxxx Settings.
2.SpreadSpectrum
I only found "RFI Spread Spectrum" and "PCIe Spread Spectrum Clocking" regard of Spread Spectrum in the bios , PCIe Spread Spectrum Clocking already disable by default. If you want to unlock RFI Spread Spectrum and its sub-item ,you have to provide me more screehshots after firsr time unlocked bios.
3. Disable Per Bank Refresh
4. SelfRefresh
You could find "Per Bank Refresh" ,"SelfRefresh Enable" ,"SelfRefresh IdleTimer" under System Agent (SA) Configuration >> Memory Configuration
5. Refresh Watermarks
Nothing found in the bios.
You can found most hidden options are under two tabs ,
PCH-IO Configuration and
System Agent (SA) Configuration ,so i decided to inject these two tabs to currently f3 bios. Below is i need things.
(a) Make a bios dump with this
tool then attach the file. (Run dump.bat as administrator)
(b)Please capture screenshots under Settings >>
Plarform Power , Settings >>
IO Ports and Settings >>
Miscellaneous