Is your AHCI Link Power Management viewable from the Power Options Console?

If you can’t see your AHCI Link Power Management from the Power Options, there is a way to add it.  Always backup your computer before modifying the registry.


You can add the GUID to the registry by going opening the registry (regedit) and creating  a key under the following key -0012ee47-9041-4b5d-9b77-535fba8b1442

The easiest way is to copy the information in italics to notepad or notepad++ and save as AHCI.reg.

After saving this, double click on the .reg file and reboot.

Windows Registry Editor Version 5.00




So what are the settings used for? Using DIPM can add 7% to 8% more battery time according to some articles.


Index Name Description
0 Active Link power management is not used.
1 HIPM Host-Initiated Power Management (HIPM) is used.
2 HIPM and DIPM HIPM and Device-Initiated Power Management (DIPM) are used.

About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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