Sony PCV-RS310 - Manual (Page 60)

VAIO Computer System Reference Manual 46
6 Click on the Unallocated area of the disk and then right-click to
display a shortcut menu.
7
Select New Partition. The New Partition wizard appears.
8
Follow the wizard’s on-screen instructions to complete the process.
The Windows® XP operating system recognizes the new hard disk drive
and applies the NTFS format.