Sony VGC-RC300 - Manual (Page 115)

115 n N
Upgrading Your VAIO Computer
11 Connect the power connectors to the original and new hard disks.
12 Connect the internal SATA cables to the hard disks as follows:
!
Make sure to use the internal SATA cables. Commercially available SATA cables with the straight-head connector may be accidentally unplugged when
you open or close the hard disk cover.
13 Replace the hard disk cover.
Connect the internal SATA cables: To the hard disks in:
Red PORT0 cable Top drive bay
White PORT1 cable 2nd drive bay
Blue PORT2 cable 3rd drive bay
Orange PORT3 cable Bottom drive bay