Windows CE.net Extras
Persistent Registry & Power Management
These guides explain how to use System Control Interrupt (SCI) for persistent registry management and to suspend to power saving. The SCI power management handler makes it possible to save system registry upon system "power-off." This greatly simplifies registry management in that it reminds users of whether or not to save the registry before system power down. Instead of shutting down the whole system, the handler can suspend the system to power-saving mode. With Hive-based Registry installed, the SCI handler will automatically trigger the saving of system registry to a non-volatile storage device when it receives event "power-off" from the power switch. Moreover, when the handler receives event "power-saving" from the power Button switch or IOCTRL command, it will turn off VGA display and the CPU fan (depending on Mainboard), and throttle the CPU; to exit the power saving mode, press the power button again or issue a proper IOControl command. For persistent registry management, the SCI handler operates on any Windows CE X86-based platform using VIA's South Bridge chips detailed in the guides.
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| Distribution(s) Supported |
Release Date |
Guide/Version |
| » WinCE.NET 5.0 |
26 March 2007 |
3.326 |
| » WinCE.NET 6.0 |
26 March 2007 |
4.326 |
| » WinCE.NET 5.0 |
20 November 2006 |
3.325 |
| » WinCE.NET 5.0 |
12 May 2006 |
3.324 |
| » WinCE.NET 4.2 |
12 May 2006 |
2.324 |
| » WinCE.NET 4.2 |
22 December 2004 |
2.322 |
| » WinCE.NET 5.0 |
22 December 2004 |
3.322 |
| » WinCE.NET 5.0 |
08 August 2004 |
3.32 |
| » WinCE.NET 4.2 |
06 May 2004 |
2.32 |
| » WinCE .NET 4.1/4.0 |
22 January 2003 |
2.31 |
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