http://www.microsoft.com/windowsvist...ancements.mspx
In reference to SD or CF stick...??? maybe others do not work..
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Click the ReadyBoost tab. If you don't see a ReadyBoost tab, then the USB drive you've selected doesn't meet the minimum specifications to be used as a Windows ReadyBoost device. Try a different device.
Click Use This Device, and set the amount of memory to reserve on the device for use by Windows ReadyBoost.
Click OK.
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USB2 devices are required for use this way because of the greater speed of USB2;
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While ReadyBoost will work with other devices – such as SD Card, CompactFlash, etc. – I’ve only used it with a USB key and here are the baseline requirements the team gave me regarding what ReadyBoost will work with:
The USB Key must be at least USB 2.0
The device must be able to do 3.5 MB/s for 4 KB random reads uniformly across the entire device and 2.5 MB/s for 512 KB random writes uniformly across the device.
The USB Key has to have at least 64mb of free space
Q/A blog that should answer many questions.
http://blogs.msdn.com/tomarcher/arch...02/615199.aspx