Security lock, Security lock -15 – Toshiba Tecra A4 (PTA40) User Manual
Page 149
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User’s Manual
8-15
Optional Devices
Security lock
A security lock enables you to anchor your computer to a desk or other
heavy object to help prevent unauthorized removal of the computer.
Attach one end of a cable to the desk and the other end to the security lock 
slot on the left side of the computer.
Security lock
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