Samsung 470 Manuel d'utilisateur télécharger pdf (Page 58)

the SSD know which data is now free. TRIM allows the OS to inform the SSD

which data are no longer valid, allowing the SSD to skip over invalid data when

performing Garbage Collection instead of moving around old data.. Samsung’s

SSD Magician software can run the TRIM command at the user’s discretion.

USB

USB (Universal Serial Bus) is a popular hardware interface that allows users to

attach secondary hardware devices to their computer (USB Drives, keyboards,

mice, etc.).

USB Booting Disk

A USB Booting Disk is a USB drive that can be used for booting a computer. In

order to boot with a USB drive, the PC BIOS must support the USB drive booting

function. If supported by the BIOS, the USB drive should be formatted as a

bootable disk and copied with the basic system files (kernel) necessary for DOS

booting. Instructions for creating a USB Booting Disk are available in this User

Manual.

Wear leveling

Wear leveling is a technique by which the SSD controller attempts to prolong the

lifespan of the SSD by ensuring that data writes to the SSD are distributed evenly

among available cells. Because each cell can only endure a finite number of

writes/erasures, it is possible that without wear leveling some cells would be

unevenly stressed and prematurely end the life of the entire SSD.

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Samsung 470 Manuel d'utilisateur Page 58