Apple Performa 6400/180 - Manual (Page 178)

Upgrades DRAM DIMM Upgrade - 7
DRAM DIMM
Upgrade
Before you begin, remove
the logic board.
Caution:
Review the ESD
precautions in Bulletins/
Safety.
Note:
Before servicing a
6400, read the “EDO-
Compatible Logic Board
Identification” topic at the
end of this section.