Apple PowerBook 165 - Manual (Page 90)

Take Apart Daughterboard - 30
2 Using the Apple logic
board take-apart tool,
disconnect the
daughterboard from the
motherboard.
Replacement Note:
If you
are replacing a defective
daughterboard, be aware
that the PowerBook 160/
165/180 daughterboards
are very similar. To
differentiate
daughterboards, check the
underside of the board.
PowerBook 180
daughterboards have an FPU
chip soldered at location
U27