Lenovo ThinkCentre M57p - Manual (Page 16)

Locating components
To open the computer cover, see “Opening the cover” on page 12.
Figure 3 shows the location of the various components in your computer.
1 Hard disk drive 5 Memory connectors (4)
2 Microprocessor and heat sink 6 Battery
3 Optical drive (such as a CD or
DVD drive)
7 Power-supply assembly
4 Diskette drive
Figure 3. Component locations
8 ThinkCentre Hardware Installation and Replacement Guide