Seagate Momentus drives released since 2011 utilize the Advanced Format.ĭevice drivers for disk drives are also changing to accommodate Advanced Format. Fortunately, because the drives send their data to the computer in the same ways they always have, Windows XP and even old DOS are unaware of any differences and communicate with the drive the same as before. Windows XP, however, does not detect the new format. Both Windows 7 and Windows Vista detect Advanced Format drives out of the box. Understandably, the operating system and important disk device drivers are also receiving updates to reflect optimization for Advanced Format drives. Sometimes Advanced Format drives are shown as 4K/512e, comparing the physical and logical sizes, where eight 512e sectors are sent for each 4K sector.
This is called 512 byte emulation, or 512e. While the physical size is 4K, the disk drive processor presents the data over the cables to the computer as ordinary 512 byte sectors. Advanced Format sectors are also called 4K sectors because each physical sector now holds 4096 bytes. The default sector size has been 512 bytes since the advent of the personal computer. The hard disk drive industry is transitioning to larger physical sector sizes called Advanced Format.
Discusses the origin of installation errors on Windows 7 with Advanced Format (4K sector) drives and how to troubleshoot.
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