BH FITNESS T4 - V1 Guide de l'utilisateur télécharger pdf (Page 84)

Intel

EMGD—Configuring and Installing Microsoft Windows Drivers

Intel

Embedded Media and Graphics Driver

User Guide April 2013

84 Document Number: 472133-012

5.3.2 Power Plan Settings for Windows* Embedded Standard 7 SP1

By default, the power plan option for Windows Embedded Standard 7 SP1 is set to

Balanced with minimum processor state set to 5%. This is different from the power

plan default settings in Windows 7, where the power plan is set to Balanced with

minimum processor state set to 100%.

The default Balanced power plan in Windows Embedded Standard with minimum

processor state set to 5% engages Intel

SpeedStep aggressively, throttling down the

CPU clock, causing a throughput reduction and higher CPU utilization. This action

impacts CPU utilization across the board in video playbacks, 3D performance, and even

the CPU when it is in an idle state. To avoid this situation, there are two options to gain

the same performance as in Windows 7:

• Change the Power Plan option in Windows Control Panel to High Performance

(Intel

recommended)

• Turn off the Intel

SpeedStep BIOS option

5.3.3 Device 3 Display in Windows Device Manager for Intel

Atom™

Processor E6xx Platform

Device 3 (PCI Device on Bus 0, Device 3, Function 0) is a display controller extension

for the Intel

Atom™ Processor E6xx platform. Device 3 cannot display graphics by

itself; it is programmed and controlled by the Device 2 (graphics driver) driver.

Device 3 can be viewed from the Windows Device Manager as shown in the figure

below.

Figure 21. Device 3 for Intel

Atom™ Processor E6xx Platform

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BH FITNESS T4 - V1 Guide de l'utilisateur Page 84