Advanced Configuration and Power Interface Specification
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Advanced Configuration and Power Interface Specification

ACPI_6.0

ACPI_6.0

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9.2.5 _ALR (Ambient Light Response)....................................................................... 501<br />

9.2.6 _ALP (Ambient Light Polling) ............................................................................ 505<br />

9.2.7 Ambient Light Sensor Events............................................................................ 505<br />

9.2.8 Relationship to Backlight Control Methods ....................................................... 506<br />

9.3 Battery Device............................................................................................................... 506<br />

9.4 Control Method Lid Device............................................................................................ 506<br />

9.4.1 _LID................................................................................................................... 506<br />

9.5 Control Method <strong>Power</strong> <strong>and</strong> Sleep Button Devices........................................................ 507<br />

9.6 Embedded Controller Device ........................................................................................ 507<br />

9.7 Generic Container Device............................................................................................. 507<br />

9.8 ATA Controller Devices................................................................................................. 508<br />

9.8.1 Objects for Both ATA <strong>and</strong> SATA Controllers..................................................... 508<br />

9.8.2 IDE Controller Device........................................................................................ 509<br />

9.8.3 Serial ATA (SATA) Controller Device................................................................ 512<br />

9.9 Floppy Controller Device Objects ................................................................................. 514<br />

9.9.1 _FDE (Floppy Disk Enumerate) ........................................................................ 514<br />

9.9.2 _FDI (Floppy Disk Information) ......................................................................... 515<br />

9.9.3 _FDM (Floppy Disk Drive Mode)....................................................................... 516<br />

9.10 GPE Block Device....................................................................................................... 516<br />

9.10.1 Matching Control Methods for Events in a GPE Block Device........................ 517<br />

9.11 Module Device ............................................................................................................ 518<br />

9.12 Memory Devices ......................................................................................................... 521<br />

9.12.1 Address Decoding........................................................................................... 521<br />

9.12.2 Memory B<strong>and</strong>width Monitoring <strong>and</strong> Reporting ................................................ 521<br />

9.12.3 _OSC Definition for Memory Device ............................................................... 523<br />

9.12.4 Example: Memory Device ............................................................................... 524<br />

9.13 _UPC (USB Port Capabilities) .................................................................................... 524<br />

9.13.1 USB 2.0 Host Controllers <strong>and</strong> _UPC <strong>and</strong> _PLD ............................................. 529<br />

9.14 Device Object Name Collision .................................................................................... 531<br />

9.14.1 _DSM (Device Specific Method) ..................................................................... 531<br />

9.15 PC/AT RTC/CMOS Devices ....................................................................................... 534<br />

9.15.1 PC/AT-compatible RTC/CMOS Devices (PNP0B00)...................................... 534<br />

9.15.3 Dallas Semiconductor-compatible RTC/CMOS Devices (PNP0B02) ............. 536<br />

9.16 User Presence Detection Device ................................................................................ 536<br />

9.16.1 _UPD (User Presence Detect) ........................................................................ 537<br />

9.16.2 _UPP (User Presence Polling)........................................................................ 537<br />

9.16.3 User Presence Sensor Events ........................................................................ 538<br />

9.17 I/O APIC Device.......................................................................................................... 538<br />

9.18 Time <strong>and</strong> Alarm Device............................................................................................... 538<br />

9.18.2 _GCP (Get Capability) .................................................................................... 542<br />

9.18.3 _GRT (Get Real Time) .................................................................................... 543<br />

9.18.4 _SRT (Set Real Time)..................................................................................... 543<br />

9.18.5 _GWS (Get Wake alarm status)...................................................................... 545<br />

9.18.6 _CWS (Clear Wake alarm status) ................................................................... 545<br />

9.18.7 _STP (Set Expired Timer Wake Policy) .......................................................... 545<br />

9.18.8 _STV (Set Timer Value) .................................................................................. 546<br />

9.18.9 _TIP (Expired Timer Wake Policy) .................................................................. 546<br />

Version 6.0<br />

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