| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent illegal access to the inner part of a personal computer in the power supply stage of the personal computer. SOLUTION: A Run-Time-Routine part 1 has a means which is started by as instruction after a user turns on the power of a personal computer, displays a password input screen on an input/output device 5 before an operating system(OS) is started through a password recognition processing part 2, urges the input of a password, compares the inputted password with a password which is previously set by a password change processing part 4, displays a warning message on the input/output device 5 when the password is illegal, urges the input of the password again when the number of display times on the warning message is up to two times, turns off the power of the computer when the number of display times is three times and starts OS when the inputted password is correct.</p> |
