Dell Precision 330 Service Manual page 92

I n s t a l l i n g t h e H a r d - D r i v e B r a c k e t ( M i n i To w e r C h a s s i s )
drive cage
bracket tabs (2)
drive bracket
Connect the interface cable for the drive. See "Attaching Hard-Drive
4
Cables (Mini Tower Chassis)."
NOTICE: To avoid possible damage, you must match the colored strip on the
interface cable with pin 1 on both the drive and system board connectors.
92 Disk Dri ves and Media