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Troubleshooting Procedures
2-28
[CONFIDENTIAL]
PORTEGE M780 Maintenance Manual (960-809)
Table 2-4 Debug port error status (2/2)
System BIOS IRT processing
Debug Code BIOS processing outline
Debug Code BIOS processing outline
Target Device
IC No.
F100
IRT section start
CPU
IS1050 (CPU Socket)
F101
Creation of SETUP
information
information
BIOSROM
RAM
RAM
IC3000/IC3002 (BIOS ROM)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
F102
PCI Express initialization
PCH
IC1600 (PCH)
F103
PCH Express initialization
PCH
IC1600 (PCH)
F104
SMRAM Express
initialization
initialization
PCH
RAM
RAM
IC1600 (PCH)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
F105
End of SMRAM
initialization
initialization
PCH
RAM
RAM
IS1050 (CPU Socket),
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
F106
EC Evart initialization
EC
IC3200 (EC/KBC)
F107
USB Legacy initialization
PCH
IC1600 (PCH)
F108
Device Lock main
processing start
processing start
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F109
Device Lock device
processing start
processing start
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F10A
End of Device Lock main
processing
processing
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F10B
Thermal control
initialization
initialization
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F10C
Digital thermal sensor
initialization
initialization
CPU
IS1050 (CPU Socket)
F10D
End for IRT of a module
load
load
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F10E
Memory test start
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F10F
End of a memory test
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F110
VGA initialization start
VGA
IC1050 (VGA)
F111 VGA
initialization
end
CN1400, CN1410 (RAM
Conn.)
Conn.)
F112
Interrupt vector initialization RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F113
VGA, LAN initialization
VGA
LAN
BIOSROM
RAM
LAN
BIOSROM
RAM
IC1050 (VGA),
IC4000/IC4100 (LAN
Controller),
IC3000/IC3002 (BIOS
ROM), CN1400, CN1410
(RAM Conn.)
IC4000/IC4100 (LAN
Controller),
IC3000/IC3002 (BIOS
ROM), CN1400, CN1410
(RAM Conn.)
F114
end of option ROM
execution
execution
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F115
Determination of a boot devi
ce
ce
RAM
CN1400, CN1410 (RAM
Conn.)
Conn.)
F116
SC initialization start
EC
IC3200 (EC/KBC)