Usage:
BOOTICE [DEVICE] [/mbr | /pbr | /partitions] [parameters]

****** DEVICE ******
/DEVICE=[m:n | X:]
       m:n >> partition n of disk m. (m: 0-based; n: 1-based)
       X:  >> specify the disk and partition number by its drive letter.

****** Partitioning & Format ******
BOOTICE [DEVICE] /partitions [operation]

operation:
/backup_dpt=xxx  >> Backup the partition table to file xxx
/restore_dpt=xxx >> Restore the partition table from file xxx
/hide            >> Hide a partition
/unhide          >> UnHide a partition
/eisahide        >> Hide a partition by setting its ID to 0x12
/activate        >> Activate a partition
/format_usb      >> RePartition and Format an USB disk
     [/booting-standard]: [/usb-fdd | /usb-zip | /usb-hdd]
     [/vollabel=sss]: specify new volume label, 11 chars max.
     [/fstype=]: /fstype=[fat16 | fat32 | ntfs | exfat]

****** Quietly Install ******
With /auto parameter, BOOTICE will automatically start the installation rather than stopping and waiting for the user's operation (except when formatting a disk).