In deploy.chm: Helpful command line tools > Diskpart commands (and diskpart scripting) In ref.chm , searching by keyword "disk.config" , I've came across this sample script: Example 1 The following example configures two physical hard disks, each 32 GB. The operating system is Windows XP Home Edition or another 32-bit edition of Windows. [DiskConfig] Disk1 = First.Config Disk2 = Data.Config [First.Config] Size1 = 30000 FileSystem1 = FAT32 SetActive1 = Yes PartitionType1 = Primary Size2 = * PartitionType2 = Extended Size3 = * PartitionType3 = Logical [Data.Config] Size1 = * FileSystem1 = NTFS Have fun