ac186bab57 2015-11-11. A) In the elevated command prompt, copy and paste the command below, press Enter, and go to step 5 below. Pages with invalid data are cleaned.Data is written back to SSD memory cells. Windows 7 or Windows 8 / Windows 8.1 2. You can also subscribe without commenting. ^ "TRIM support in NetBSD".
meh. Retrieved 2009-07-08. An individual LBA range is called an LBA Range Entry and is represented by eight bytes. ^ a b "Red Hat Enterprise Linux 6 Storage Administration Guide, Chapter 21. For other uses, see Trim (disambiguation). Since a memory block must be erased before it can be re-programmed, TRIM improves performance by pro-actively erasing pages containing invalid data, allowing the SSD to write new data without first having to perform a time-consuming erase command. Retrieved 2016-03-09. Since a common SSD has no knowledge of the file system structures, including the list of unused blocks/sectors, the storage medium remains unaware that the blocks have become available. TRIM can be enabled with a similar command if it is not enabled in Windows 7. Typically this defaults to 8 (or 4 kB) but many drives reduce this to 1 to meet the Microsoft Windows Hardware Requirements for TRIM, that command completion time shall not exceed 20 ms or 8 ms (number of LBA range entries), whichever is greater, and shall always be less than 600 ms..