Apple iMac - Manual (Page 47)

C H A P T E R 4
RAM Expansion
The Expansion Slots 47
Figure 4-5 EMI shield
Locations of the Expansion Slots 4
Figure 4-6 shows the location of the two main RAM expansion slots and the
video RAM expansion slot.
One of the main RAM expansion slots is on the bottom of the processor module
and is normally occupied by the factory-installed SO-DIMM. The other main
RAM expansion slot is on the top of the processor module and is available for a
user-installed SO-DIMM.