Param.sfo
PARAM.SFO
SFO (System File Object) file format can be also found on PSP, PSVITA, PS3.
External Structure
Internal Structure
Header SFO
This is the Header of a SFO file.
Offset | Data | Length | Notes |
0x0 | 0x00505346 | 0x04 | PSF Magic |
0x4 | 0x01010000 | 0x04 | Version |
0x8 | - | 0x04 | Value Start |
0xC | - | 0x04 | Params Start |
0x10 | - | 0x04 | N° of params/values |
Parameters Descriptions
APP_TYPE
APP_VER
The format is XX.YY where "XX" and "YY" are numbers, and the point "." is included in the string, e.g: 01.00 for the first stable version released.
ATTRIBUTE
Contains a maximum of 32 flags that can be turned on/off to activate/deactivate special boot modes and features of the content.
CATEGORY
See PS Vita Category
Value | Standard name |
bd | Bluray Disc? |
gd | - |
gdk | - |
gp | Game Patch? |
CONTENT_ID
The format is:
DISC_NUMBER
Disc number: count from 01.
DISC_TOTAL
Total number of discs for this game.
DISP_LOCATION_x
DOWNLOAD_DATA_SIZE
FORMAT
"obs"
PARENTAL_LEVEL
It is a scale to rate the content for the different users based in user profile settings and international rating systems as: PEGI, ESRB, CERO, etc...
PUBTOOLINFO
contain creation data?, sdk version?
SERVICE_ID_ADDCONT_ADD_x
Same parameter outnumbered from _1 to _7.
SYSTEM_ROOT_VER
Minimum FW to be play this game?
SYSTEM_VER
Minimum FW to be play this game?
TITLE
Default "title of the game" for all languages.
TITLE_ID
Identifier of the content, in the format WXYZ12345.
TITLE_xx
Same than TITLE but for localized languages.
An .SFO can contain several TITLE_xx where xx is a number for a regional code.
The "default" TITLE is always present when other "localized" TITLE_xx are used.
VERSION
Version content of the game: Disc revision, or Package revision. The number increases when the content is re-released or re-packaged for whatever reason that doesn't affect the main executable (e.g. when a disc game reaches platinum sales, or "game of the year edition" including extra contents).