January 2nd, 2009

Tips [Vista] Force slow USB device to support ReadyBoost

Computer Hardware & Software, Tips & trick, by brigs.

Windows ReadyBoost is a great technology, caching things on USB drives to improve system performance, but Windows Vista insists on checking the drives for certain speed requirements before enabling the feature. If you have a USB drive that is just a hair to slow to beat the test, or you want to use an external hard drive (slower speed, loads of cache space), i will let you use ReadyBoost on an unsupported device, whether it wants to or not:


1. Plug in the device.
2. Open the Readyboost tab on the device properties.
3. Select “Do not retest this device”
4. Unplug the device
5. Open regedit (start->run->regedit)
6. Expand – HKLM (Local Machine)->SOFTWARE->Microsoft->Windows NT->CurrentVersion->EMDgmt
7. Find your device.
8. Change Device Status to 2
9. Change ReadSpeedKBs to 1000
10. Change WriteSpeedKBs to 1000
11. Plug in the device.
12. Enable Readyboost!!!!

Enjoy your life…. :mrgreen:

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