Asus RS740-E7-RS24-EG - Manual (Page 104)

5-18 Chapter 5: BIOS setup
PCH Configuration
PCH Compatibility RID [Disabled]
Support for PCH compatibility.
Configuration options: [Disabled] [Enabled]
Deep Sx [Disabled]
Configuration options: [Disabled] [Enabled in S5] [Enabled in S4 and S5]
Onboard SATA RAID Oprom [Enabled]
Allows you to enable/disable onboard SATA RAID option rom if Launch Storage Oprom is
enabled.
Configuration options: [Disabled] [Enabled]
High Precision Event Timer Configuration
High Precision Timer [Enabled]
Allows you to enable/disable High Precision Event Timer.
Configuration options: [Disabled] [Enabled]
Mobile platforms support deep S4/S5 in DC only and desktop platforms support deep S4/S5
in AC only.