Dell Precision 330 User Manual page 24

AC power receptacle
I/O panel
connectors
expansion-card
slots
padlock ring
security cable slot
24 Abo u t You r C o mp u t er
I n s i d e t h e M i n i To w e r C h a s s i s
power supply
NOTE:
Before you remove the cover from the mini tower chassis, you must
first slide the outer padlock ring to the left to unlock the cover release
mechanism. See "Cover Release Mechanism (Mini Tower
externally accessible
drive bays
hard-drive bracket
drive interface cable
DC power cable
system board
Chassis)."