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请点击以下链接下载 WinHEC 的演讲材料 Download WinHEC presentations here:

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Presentation on theme: "请点击以下链接下载 WinHEC 的演讲材料 Download WinHEC presentations here:"— Presentation transcript:

1 请点击以下链接下载 WinHEC 的演讲材料 Download WinHEC presentations here:





6 Component Selection Screen On Idle StandbyVideo Playback Web browsing Platform chipsetIHV Part #A Display size and resolution IHV Part #B Touch controllerIHV Part #C Memory type and Size IHV Part #D StorageIHV Part #E Wi-FiIHV Part #F Mobile broadbandIHV Part #G SensorsIHV Part #H PMIC, battery controller IHV Part #I Other partsIHV Part #J,K Total Avg Power (mW) Battery Capacity (Whr) Est. Runtime with battery (hr)

7 Power data Device activity




11 ComponentSetting NameSetting Value & Comments Display Screen Brightness150 LUX – Use a LUX meter & white background to set brightness % Dimmed Brightness150 LUX Adaptive Brightness (ALS)Disabled Radios Wi-FiEnabled & Connected to a Wi-Fi Access Point (Direct tap to internet) Bluetooth, NFC, BroadbandEnabled Disk Disk DefragmentationDisabled Compilation TargetsUpdated Power PolicyDisplay and sleep timeoutsDisable dimming, display off, S3 and S4 sleep timeouts, & screensaver Other Activation & UpdatesOS Activated & all updates applied Room TempSee battery specs for ideal temp. Consistent temp each iteration. Keyboard BacklightingDisabled Network Discoverability“No” when prompted to find devices after connecting to a network Audio Volume Level50 or any consistent value


13 Connected (since Windows 8.0, a.k.a. connected standby) Disconnected (new on Windows 10, only option when no HW-offload capable networking and/or HDD-based systems)





18 S0





23 Different buses for control and data for every device Every device has different firmware and software dependencies


25 Measure Power consumed for a scenario Compare expected power with actual If discrepancies are noticed, take action Power Budget Test Platform SleepStudy is the recommended 1 st level triage tool. Scenario




29 Overview Battery use details Battery saver settings Battery saver Extends battery life by limiting background activity. Battery life remaining: 25 % Estimated time remaining: 3 hours Battery saver is currently: Battery Saver automatically turned on when your battery fell below 30%. On

30 Turn battery saver on automatically if my battery falls below: 30 % Always allowed Add an app Contoso Communicator These apps can run in the background, even when Battery Saver is on Allow Push notifications from all apps in Battery Saver Cortana Remove

31 Super Fun Game Mail OneDrive 15 % 4 % 1 % Contoso Communicator 3 % Runs in background, allowed in Battery Saver System : 20% Screen : 25% Wi-Fi : 40% Cell Data : 15% Data is from the last: 24 hours Showing usage across all apps. Foreground : 80% Background : 20% Details

32 System : 30% Screen : 15% Wi-Fi : 15% Cell Data : 40% Data is from the last: 24 hours Foreground : 20% Background : 80% Reduce battery consumption Contoso Communicator is allowed to run in the background. Change background settings Contoso Communicator is allowed to run even when Battery Saver is on. Change Battery Saver settings Contoso Communicator 3% of overall usage.





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39 Component selection Industrial design thickness/weight Cost Differentiation Battery capacity Battery life goals



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