====== mSATA notes ======

<note warning>**DANGER**! **NEVER** disable the mSATA disk in the BIOS if the main disk has not been synchronized. Otherwise, the main disk will appear as damaged and will have to be completely re-installed... :-(</note>

<note warning>**IMPORTANT** If you change the partitions with gparted, leave some empty space (4-8 Mb) at the end of the disk, otherwise you will not be able to re-activate the disk acceleration...</note>


===== What is mSATA? =====

A mSATA disk is a small (e.g. 32 Gb) SSD disk that is installed on a machine in order to be used in combination with a regular (i.e. bigger) disk:

  * as a fast system disk
  * as a fast cache to accelerate the regular disk

===== Low level mSATA administration =====

It is possible to enter the low level interface by typing CTRL-I when the machine is booting. You will then be in the //Intel (R) Rapid Storage Technology - Option ROM// interface

Note: on HP machines, the use of //CTRL-I// at boot time must be enabled in the BIOS

==== Synchronizing the cache and the disk ====

Select //Acceleration Options//, then type '//s//' to synchronize the disk. The //Status// must be //In Sync//

==== Disabling the acceleration ====

==== Enabling the acceleration ====

===== mSATA administration in Windows =====

Everything is done in the //Intel Rapid Storage Technology// program

  * Start menu => All programs => Intel => Intel Rapid Storage Technology

==== Disabling the acceleration ====

<note warning>You **have to** disable the acceleration before you use GPARTED!</note>

  * Performance => Désactiver l'accélération

==== Enabling the acceleration ====

  * Performance => Configuration de l'accélération => Sélectionner un périphérique => Mode Amélioré (plus sûr) ou Mode Optimisé (plus rapide)

===== Misc. notes =====

  * In order to use the mSATA for cache/acceleration, the following setting has to be activated in the BIOS\\ (Dell) Settings => System Configuration => SATA Operation: **RAID on**

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