The hard drive industry has recently introduced new drives that will use a 4-kilobyte sector size (commonly referred to as "Advanced Format", 4k, or 512e drives). Until today, all hard drives have used a 512-byte sector size. The new, larger sector size promises increased capacities and better error correction but will introduce compatibility problems in older operating systems such as Microsoft Windows XP. Lenovo will begin shipping systems with 4k drives in 2011.
The purpose of this document is to describe the incompatibilities and offer best-practices for deploying Windows on the new generation of hard drives.
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