This is my motherboard

GA-M61PME-S2

(SATA upto 3.0 Gbps)

and This is my Hard Disk

Samsung hd502hi

Capacity    500 GB
Cache   16MB
Disks / Heads   1 / 2
Interface   SATA 3Gb/s
Spindle Speed   5400 RPM
Sustained Data Rate OD  100 MB/s
Average Seek    8.9 ms
Average Latency     5.56 ms
Data Transfer Rate  300 MB/sec
Weight  470 grams
Power: Idle / Seek / R-W / Spin-up  3.9W / 4.8W / 5.1W / ~24W
Acoustics (sound power) 2.2 / 2.7 Bel (idle / quiet seek / performance seek)

When I copy things from one partition to another they transfer at a maximum of 30 MBps. However the drive supports upto 300 MBps right ?

How do I increase the transfer speeds?

P.S - Using Windows XP, All partitions are NTFS.