What Does This Do?
This utility installs the Intel Turbo Boost Technology driver.
This driver also resolves the yellow exclamation point error that may appear in Device Manager as "PCI Data Acquisition and Signal Processing Controller" which indicates that a driver is not installed for that device.

To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
Download the INDOTH-00209746-0050.EXE file to a temporary or download directory (please note this directory for reference).
Go to the directory where the file was downloaded and double-click the INDOTH-00209746-0050.EXE file to begin the installation.
At the "Intel® Turbo Boost Technology Driver" screen, click "Next".
At the "License Agreement" dialog, read the agreement, then, if you agree, click "I Agree" to continue with the installation.
At the "Welcome to the Setup Program" screen, click "Next".
At the "License Agreement" dialog, read the agreement, then, if you agree, click "Yes" to continue.
At the "Readme File Information" screen, view the Readme file, and then click "Next".
At the "Setup Progress" screen, click "Finish".
At the "Finish" screen, click "Finish".
Restart the computer.

This utility installs the Intel Turbo Boost Technology driver.
This driver also resolves the yellow exclamation point error that may appear in Device Manager as "PCI Data Acquisition and Signal Processing Controller" which indicates that a driver is not installed for that device.

http://esupport.sony.com/US/p/swu-matrix.pl?upd_id=5284