Solid state drive and associated computer system

A computer system, comprising:

• a solid state drive comprising a non-volatile memory and a first flash translation layer, wherein the non-volatile memory comprises a first storage zone, a second storage zone and a third storage zone, the first storage zone stores a first access driver for controlling the first storage zone and a second access driver for controlling the second storage zone and the third storage zone and comprises a boot area for storing an operating system, wherein the second access driver comprises a second flash translation layer and a third flash translation layer;
• and
• a host, wherein when the computer system is booted, the operating system, the first access driver and the second access driver stored in the first storage zone are loaded into a memory of the host,
• wherein after the first flash translation layer receives a first command and a first logical block address from the first access driver loaded in the host, the first flash translation layer converts the first logical block address into a first physical block address, so that the solid state drive accesses the first storage zone according to the first physical block address,
• wherein after the solid state drive receives a second command and a second physical block address from the second translation layer loaded in the host, the solid state drive accesses the second storage zone according to the second physical block address,
• wherein after the solid state drive receives a third command and a third physical block address from the third translation layer loaded in the host, the solid state drive accesses the third storage zone according to the third physical block address,
• wherein for different types or formats of data, the second flash translation layer or the third flash translation layer is selected to store the data into the second storage zone or third storage zone.