Toshiba Satellite Pro U300 Maintenance Manual page 264

Board Layout
B.2 Function Button board
Location
(01) SW1
(02) SW2
(03) SW3
(04) SW4
(05) SW5
(06) SW6
Satellite U300 and Satellite Pro U300 Maintenance Manual(960-Q08)
<Front layout>
Figure B-3 Function Button board layout
Table B-2 Function Button board connectors
Function
Power Button
IE Button
Media Player Button
Music Play / Pause Button
Music Forward
Music Backward
B-5