Good explanation Thanks In other word TRIM keeps the cells from being over worked, so each cell takes part of the load. This is very new to me. How can I tell if TRIM is present. Is there a file called trim.exe.
cheers DS On Tue, 6 Nov 2018 19:18:48 +0100 Tom Ehlert <t...@drivesnapshot.de> writes: > >> Trim sounds like the old standard "defrag program" which should > >> be unneeded for flash since all bits get accessed at the same > speed. > >> No spinning disk to move around on. > wrong. > > > Trim is used for equal usage of memory-cells. It is a mechanism to > > > support round-robin usage of those cells. > wrong, too. > > the drives firmware is responsible to round-robin usage of those > cells anyway. it works even on (almost) full disks, too. > > with an OS that doesn't support TRIM, after a while the drive thinks > that all sectors are in use as they have been written at least once. > > TRIM (capital letters) is a way for the OS to tell the drives > firmware > which sectors are no longer in use. round-robin usage is made easier > if > there is more free space available, but works even on completely > full > disks as the disk always reserves some space for internal use that > is > not visible on the outside. lookup overprovisioning. > > Tom > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > ******************************************************>>>> >From Dale Sterner - MS organic chemistry http://pubs.acs.org/doi/abs/10.1021/jo00975a052 *******************************************************>>>> ____________________________________________________________ We Say Goodbye To Kathie Lee Gifford track.volutrk.com http://thirdpartyoffers.juno.com/TGL3141/5be2fc20415697c2053c3st01duc _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
