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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-28 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)
Table 2-4 Debug port (Boot mode) error status (6/10)
D port status Inspection items Details
AC97’ control
Initialization of temperature control information
KBC initialization
VGA display off, Reset control
Sound initialization
PC multi-box status acquisition
HC initialization, USB device connection
recognition and initialization
Initialization of devices which need
initialization before PCI bus
initialization
Control of built-in LAN permission/prohibition
PIC initialization
PIC test
(F107H)
Password Initialization
IRT_CHK_INI_SYS2_END
PCI bus initialization (connection of DS Bus)
Initialization of LAN information
F108H
Check of WakeUp factor
IRT_INI_PCI_END
Task generation for waiting
INIT_PCI completion
CMOS data initialization (2)
PnP initialization
Setting of setup items
Waiting for the completion of Multi-
box status check
F109H
H/W setting based on resource
IRT_MK_SYSRES_END
Task generation for waiting PnP
resource making completion
Control of serial interrupt (Execute
before using interrupt)
PnP H/W initialization PC card slot initialization
SIO initialization (for models supporting SIO)
FIR initialization (for models supporting FIR)
PCI automatic configuration Making of work for automatic configuration
F10AH
Acquisition of PCI IRQ