Apple Power Macintosh 4400 - Manual (Page 173)

Installing a DRAM DIMM
1 Push the ejector on the DRAM slot outward and down to open it.
Your socket may have one or two ejectors.
2 With the ejector in the open position, align the DRAM DIMM in the DRAM slot as pictured.
IMPORTANT Do not touch the DIMM’s connectors. Handle the DIMM only by
the edges.
DRAM DIMM (Your DIMM’s shape and
components may vary.)
Ejector (Your slot may have one or two
ejectors. They should be pushed outward and
down to be in the open position, as shown.)
The DRAM DIMM is designed to fit into the
slot only one way. Be sure to align the
notches in the DIMM with the small ribs
inside the slot. With the ejector in the
open position (as shown), push down on
the DIMM until it snaps into place. The
ejector will automatically close.
Connectors Notches DRAM slot (1 of 3)
Front of computer
Ribs (inside slot)
DRAM slot 3
DRAM slot 2
DRAM slot 1
173 Installing Expansion Cards and Additional Memory