Figure 25: mvDeviceConfigure - UserSet Persistence
This will also accellerate the firmware update process.
11.2.3 How to disable CPU sleep states a.k.a. C states (Windows)
Modern PC's, notebook's, etc. try to save energy by using a smart power management. For this
several hardware manufacturers specified the ACPI standard. The standard defines several power
states. For example, if processor load is not needed the processor changes to a power saving
(sleep) state automatically and vice versa. Every state change will stop the processor for
microseconds. This time is enough to cause image error counts!
See also:
More informations about ACPI:
http://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface
To disable the power management on the processor level (so-called "C states"), you can use
mvDeviceConfigure:
Note:
With Windows XP it is only possible to disable the C2 and C3 states. With Windows Vista / 7
/ 8 all C states (1,2, and 3) will be disabled.
Warning:
Please be sure you know what you do! To turn off the processor's sleep states will lead to a
higher power consumption of your system.
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