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2.4 System Board Troubleshooting 2 Troubleshooting Procedures

TECRA A9(S5/P5/S200) Maintenance Manual (960-633)[CONFIDENTIAL] 2-17

Procedure 1 Message Check

When the power is turned on, the system performs the Initial Reliability Test (IRT) installed

in the BIOS ROM. The IRT tests each IC on the system board and initializes it.

 If an error message is shown on the display, perform Check 1.

 If there is no error message, go to Procedure 2.

 If DOS or Windows is properly loaded, go to Procedure 3.

Check 1 If one of the following error messages appears on the screen, press F1 as the

message instructs. These errors occur when the system configuration preserved in

the RTC memory (CMOS type memory) is not the same as the actual

configuration or when the data is lost.

If you press F1 as the message instructs, returns all system settings to their default

values. Then the system reboots.

If error message (b) appears often when the power is turned on, replace the RTC

battery. If any other error message displays, perform Check 2.

(a) *** Bad HDD type ***