Having problems with your IBM 300PL (PC 300 PL 733) PC Desktop ?

When i start my 300pl desk top system. when i

\015 When i start my 300pl desk top system. the msg appears "key board un locked" then it "kay board un-lokced" after few secones it appears "your system is lockecd" and it msg to re start system. and after 5 to 10 times my system get start.\015

Answers :

Hello my friend.That error message has nothing to do with the actual keyboard.The POST/BIOS is reading a \015\012single port bit in the system boards keyboard controller and detecting \015\012this bit as being shorted to ground. On some systems there is a keylock \015\012on the front of the case that allows you to "lock" the keyboard for \015\012security reasons. It is this lock that is being detected. On a system \015\012without a keylock, this error can be caused by one of the front panel \015\012wires being placed on the wrong pin on the system board. Or by something\015\012 shorting out the keylock pin on the system board, or a hardware failure\015\012 in the keyboard controller, or using the wrong version of BIOS.So make sure if your computer has a lock key/button or something on the case that locks the keyboard.Also you can load default bios settings by hitting Del while you boot if you have change anything in the bios.
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