Apple Mac 8600 - Manual (Page 176)

Take Apart Cache DIMM (PM 8600/200) - 78
1 Carefully lay the
computer on its side.
2 Unlock the top chassis by
moving the two green
locking levers upward
and outward.
3 Using the green handle,
gently swing the top
chassis to the right
until it rests firmly on
the work surface.