ReadyBoost: Difference between revisions

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When a compatible device is plugged in, the Windows [[AutoPlay]] dialog offers an additional option to use the flash drive to speed up the system; an additional '''ReadyBoost''' tab is added to the drive's properties dialog where the amount of space to be used can be configured.<ref name="readyboostJim Allchin">{{cite web |url=http://blogs.msdn.com/tomarcher/archive/2006/04/14/576548.aspx |title=ReadyBoost - Using Your USB Key to Speed Up Windows Vista |date=April 14, 2006 |accessdate=2006-05-21 |author=Tom Archer |work=Tom Archer's Blog |publisher=Microsoft}}</ref> The minimum cache size is 250&nbsp;MB. In Vista or with FAT32 formatting of the drive, the maximum is 4&nbsp;GB. In Windows 7 with NTFS or exFAT formatting, the maximum cache size is 32&nbsp;GB per device. Windows Vista allows only one device to be used, while Windows 7 allows multiple caches, one per device, up to a total of 256&nbsp;GB.<ref name="readyboostMarius Oiaga">{{cite web |url=http://news.softpedia.com/news/Windows-7-RTM-ReadyBoost-256-GB-of-Memory-Cache-Support-124081.shtml |title=Windows 7 RTM ReadyBoost 256 GB of Memory Cache Support |date=October 12, 2009 |accessdate=2013-01-09 |author=Marius Oiaga |work=SOFTPEDIA |publisher=SoftNews NET SRL}}</ref>
 
ReadyBoost compresses and encrypts, with [[AES-128]], all data that is placed on the flash device with [[AES-128]]; Microsoft has stated that a 2:1 compression ratio is typical, so a 4&nbsp;GB cache would usually contain 8&nbsp;GB of data.<ref name="russinovich">{{cite web
|url=https://technet.microsoft.com/en-us/library/2007.03.vistakernel.aspx
|title=Inside the Windows Vista Kernel: Part 2
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