Apple Performa 6400/180 - Manual (Page 180)

Upgrades DRAM DIMM Upgrade - 9
2
Note:
The DRAM DIMM
is designed to fit into the
slot only one way.
With the ejector still
pushed outward and
down, position the
DIMM with its notches
aligned with the small
ribs inside the slot.
3 Push down on the DIMM
until it snaps into place
and the ejector closes
automatically.
DRAM Slot (1 of 2)
Connectors
Notches
Ribs (inside slot)
DRAM DIMM