[SourceDisksNames]
disk-ordinal="disk-description",disk-label,disk-serial-number
Identifies and names the disk(s) that contain the source files for file copying and renaming operations. Used along with SourceDisksFiles.
disk-ordinal
A unique number that identifies a source disk. If there is more than one source
disk, each must have a unique ordinal.
disk-description
A string or a strings key describing the contents or purpose of the disk. The
installer displays this string to the user to identify the disk. The description is
enclosed in double-quotation marks.
disk-label
Volume label of the source disk that is set when the source disk is formatted.
This is also where you name the cab file if the files are in a cab.
disk-serial-number
Unused. Value must be 0.
This example identifies one source disk. The disk description is given as a strings key:
[SourceDisksNames]
55=%ID1%,Instd1,0
[Strings]
ID1="My Application Installation Disk 1"