Apple quadra.lc 630.performa 640 Service Manual
Take Apart
DOS Compat. Logic Board - 29
DOS Compat.
Logic Board
Logic Board
Before you begin, remove
the following:
• I/O door
• Logic board
Review the ESD precautions
in Bulletins/Safety.
Note:
If you are replacing a
logic board that has one
SIMM slot, replace it with
P/N 661-0158. If you are
replacing a logic board that
has two SIMM slots, replace
it with P/N 661-1114.
Adapter Board
Main Logic
Board
DOS-Compatible Board
DRAM
SIMM
Sound Board