This section summarizes the specific power management requirements for graphics adapters.
49. Graphics adapter complies with device class power management reference specification
Required
The Display Device Class Power Management Reference Specification, Version 1.0 or higher, provides definitions of the OnNow device power states (D0–D3) for display and graphics devices. The specification also covers device functionality expected in each power state and the possible wake-up event definitions for the class, if any. Power states D0 and D3 are required; D1 and D2 are optional for graphics adapters.
50. Graphics adapter complies with VBE/Core 2.0 extensions for power management
Required
The VESA BIOS Extension Standard/Core Functions 2.0 (VBE/Core 2.0) specification defines extensions to VGA ROM BIOS services for power management.