These specifications define the behavior of devices as it relates to power management, and, specifically, to the four device power states defined in the OnNow Architecture. Power Management Reference Specifications  | Audio Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Defines audio power management policy. | | Communications Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Applies to communications ports (COM ports) and modems. | | Default Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Applies to all devices, even if there is a separate, class-specific Power Management Specification that adds additional requirements. | | Display Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Applies to CRT monitors, LCD panels, and video controllers for those devices. | | Input Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Applies to standard types of input devices such as keyboards, keypads, mice, pointing devices, joysticks, and game pads, plus new types of input devices such as virtual reality devices. | | Network Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Applies specifically to Ethernet and token ring adapters. ATM and ISDN adapters are not supported by this specification. | | PC Card Device Class Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Covers the PC Card controller and the slots specifically. PC Card power management is defined by the relevant power management specification for the card's device class, in conjunction with the PC Card standard (for 16-bit cards) or the PCI Power Management Specification (for CardBus cards). | | Storage Device Class Power Management Reference Specification, v. 2.0
(October 12, 2000) Covers ATA hard disks, floppy disks, ATAPI and SCSI CD-ROMs, and the IDE channel. |
Note: The Device Class Power Management Reference Specifications are also available for download as .rtf files at http://www.microsoft.com/whdc/resources/respec/specs/pmref/download.mspx.
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