Samsung SENS R55 Service Manual page 52

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5. TROUBLESHOOTING
CODE
8A Initialize the Extended (BIOS) Data Area
(EBDA)
8C Initialize and check the FDD Controller
9C Setup Power Manager
9E Enable Hardware Interrupts
A0 Set the Time/Date
AA Check if the F2 key has been pressed
AC Enter SETUP
B0 Check all errors occurring during POST
B4 Beep once
B6 Check the password
B7 Initialize the ACPI BIOS function
BA Initialize DMI
BE Clear Screen
C0 Boot the OS after completing BIOS POST
SENS R55
Description Check Item
Check after RTC Reset
Check the booting priority change in the BIOS
SETUP / Reinstall the OS
5-4