8399 N/B Maintenance

7.Maintenance Diagnostics

7.1Introduction

Each time the computer is turned on, the system BIOS runs a series of internal checks on the hardware. This power-

displayed on the screen. If the error occurs before the display is initialized, then the screen cannot display the error message. Error codes or system beeps are used to identify a post error that occurs when the screen is not available.

on self test (post) allows the computer to detect problemsDocumentas early as the power-on s age. Error messages of post can alert you to the problems of your computer.If an errorSecretis det ct d during th se tests, you will see an error message

The value for the diagnostic port MiTacis written t the beginning of the test. Therefore, if the test failed, the user can Confidential

determine where the problem occurred by reading the ast value written to the port by the debug card plug at MINI PCI slot.

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