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Troubleshooting Procedures
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 2-29
F117 end of SC initialization RAM
CN1400, CN1410 (RAM
Conn.)
F118 Processing in front of boot RAM
CN1400, CN1410 (RAM
Conn.)
F119
Device processing in front of
boot
PCH IC1600 (PCH)
F800 S3 shift start
RAM
CN1400, CN1410 (RAM
Conn.)
F801 S4 shift start
RAM
CN1400, CN1410 (RAM
Conn.)
F802 S5 shift start
RAM
CN1400, CN1410 (RAM
Conn.)
F803
USB electric supply setti
ng start
RAM
IC1600 (PCH)
IC3200 (EC/KBC)
F804
Completion of a USB
electric supply setting
PCH
EC
IC1600 (PCH)
IC3200 (EC/KBC)
F805 Shutdown processing RAM
CN1400, CN1410 (RAM
Conn.)
F8FF
Completion of Shutdown
processing
RAM
CN1400, CN1410 (RAM
Conn.)
F180 S3 return service start
BIOSROM
RAM
IC3000/IC3002 (BIOS
ROM), CN1400, CN1410
(RAM Conn.)
F1FF
End of S3 return processing.
Shifts to OS.
RAM
CN1400, CN1410 (RAM
Conn.)
NOTE: Status outputted by the test means the last error detected in the debug port test.
Check 1 If the D port is status F11Eh or F120h is displayed, go to “HDD Trouble shooting
Procedure in Section 2.6.
Check 2 If any other D port status error code is displayed, perform Procedure 3.
D port error code is as follows:
Error code Contents
F003h or F004h SC initialization error
F00Bh BIOS update error
F117h Exception check error
F121h Clock generator error