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Principled Technologies, Inc.: Energy consumption of seven Intel chipset motherboards
5. Scroll down to the last row in column E, and press Ctrl + Shift + Up. This should select the entire E
column.
6. Press Ctrl + D to fill in column E.
7. Select cell A1, and press Ctrl + F.
8. In the Find What Field, type olw, and click Find Next. This will find any outliers that may have occurred
during the test.
9. Delete any row that produced an outlier.
10. In an empty cell, type =average(e:e), and press Enter. This is the Average Power Draw in Watts.
Idle power consumption
We performed the following steps to set up and run this test:
Setting up the test
1. Reset the system to the base test image.
2. On the host computer, launch the Extech Power Analyzer software by clicking StartÆAll
ProgramsÆPower Analyzer.
3. From the top menu, click OptionÆSample Rate. Type 1.0, and click OK.
4. From the top menu, click FileÆName.
5. In the Name field, type a name that appropriately describes the platform and configuration, and click OK.
Running the test
1. Wait 10 minutes after the computer has booted into Windows to allow processes to settle down.
2. Start the Extech Power Analyzer by clicking FileÆStart RecordingÆNow (Auto).
3. Record idle power consumption for five minutes.
4. Stop the Extech Power Analyzer by clicking FileÆEnd Recording.
5. Record the results.
6. Repeat the steps two more times, rebooting between runs.
Web browsing power consumption
For repeatability, PT created web content and a Java-based script that automatically browses the created web
pages at set intervals.
We performed the following steps to set up and run this test:
Setting up the test
1. On a host computer running Windows 2003 Server, copy the created web content.
2. Reset the system under test to the base test image.
3. Copy the java-based script to the desktop.
4. Verify the web page is functioning by launching Internet Explorer, and typing in the web address of the
host web server.
5. At the Phishing Filter pop-up, select Turn off phishing filter.
6. Close Internet Explorer.
7. Reboot the computer.
8. On the host computer, launch the Extech Power Analyzer software by clicking StartÆAll
ProgramsÆPower Analyzer.
9. From the top menu, click OptionÆSample Rate. Type 1.0, and click OK.
10. From the top menu, click FileÆName.
11. In the Name field, type a name that appropriately describes the platform and configuration, and click OK.
Running the test
1. Wait 10 minutes after the computer has booted into Windows to allow processes to settle down.
2. Double-click the Java-based script, while at the same time starting the Extech Power Analyzer by clicking
FileÆStart RecordingÆNow (Auto).
3. Record web browsing power consumption for five minutes.
4. Stop the Extech Power Analyzer by clicking FileÆEnd Recording.
5. Record the results.
6. Repeat the steps two more times, rebooting between runs.
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