Memory (RAM) is the main consideration for most systems and operating system. Especially for Windows Vista, since it uses more graphics features. Windows vista runs really slow, even on new computers. Memory upgrade is probably the most common solution for these slow responsive computers. Microsoft, with its release of Windows Vista and 7, introduced a new concept of expanding memory space without having to physically add a memory to your computer. It’s called ReadyBoost. The ReadyBoost speeds up computer using memory like USB flash drive or SD card to improve performance. This additional flash memory is regarded as an additional memory cache that will be accessed faster than a hard drive.
If you have already used ReadyBoost on newer PCs, you might say “It’s useless”. What many people failed to realize is that newer PCs, with quick hard drives don't necessarily see the same impact from ReadyBoost. But for older computers, which have been upgraded to Microsoft Windows Vista or Windows 7, but barely meet the minimum operating system requirements, will definitely be benefited from ReadyBoost.
It is simple to configure your removable disks or USB flash drives for ReadyBoost. Just stick the flash drive, SD card, or whatever flash device you want into your computer. You’ll see this dialog pop up:
Click the Speed up my system to get this:
Just select Use this device, and set the amount of space you want to use. Windows will create what is essentially a paging file on the disk, and will use it for faster access.
Points to be considered for ReadyBoost
In Windows Vista it is limited to 4 GB while in Windows 7 it is upto 256 GB of additional memory by connecting maximum 8 different USB memories. Windows OS older than Vista don't support ReadyBoost technology. Currently Windows Server 2008 is also not supporting ReadyBoost technology.


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