Force your USB drive to make it compatible ReadyBoost in Vista

ReadyBoost technology exploits the speed of new flash memory keys for USB 2.0 improve performance of Windows.This memory is used as a cache for information system deported on the disc.For the performance gain is significant, USB keys must reach a certain level of performance:

• A speed Shuffle (in blocks of 4 KB) of at least 3.5 MB / sec.
  
  
• A random write speed (in blocks of 512 Kb) of at least 2.5 MB / sec.

When introduced a USB key in the PC, Vista automatically checks its compatibility (ie, performance) with ReadyBoost.On the Start menu, select My Computer. Then click the right button on the key icon and ask the Properties. Go to the ReadyBoost tab. The function is dimmed if the key is not compatible.

The first key "Designed for Windows Vista ReadyBoost" come on the market. But many key current show sufficient performance for ReadyBoost.

To activate:

1. Connect the device memory (key, external drive, etc.)..
   
   
2. Open the Explorer (Start menu, then "Computer").
   
   
3. Ask the properties of the device. Allez dans l'onglet ReadyBoost . Go to the ReadyBoost tab.
   
   
4. Select "Do not try this device again."
   
   
5. Disconnect the device and wait about twenty seconds.
   
   
6. Run Regedit by typing the command in the Start menu.
   
   
7. Deploy the registry entry HKey_Local_Machine.
   
   
8. Open the key "\ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ EMDgmt."
   
   
9. Locate your device in the list.
   
   
10. Change the Device Status and go to the "2".
    
    
11. Change the value WriteSpeedKBs and go to the "1000".
    
    
12. Change the value ReadSpeedKBs and go to the "1000".
    
    
13. Close Regedit.
    
    
14. Connect to the device memory and wait for it to be detected and recognized.
    
    
15. Open Explorer (Start menu, then "Computer").
    
    
16. Ask the properties of the device. Allez dans l'onglet ReadyBoost . Go to the ReadyBoost tab.
    
    
17. Check "Use this device".