2 Troubleshooting Procedures 2.4 System Board Troubleshooting Table 2-4 Debug port (Boot mode) error status (5/8) D port status Inspection items Details
Saving memory configuration to
buffer
Reading of EC version
Update of flash ROM type
F106h
Judging of destination (Japan or
except Japan) based on DMI
data
CMOS default setting check Defaults set if bad battery, bad checksum (ROM,
CMOS) is detected)
ACPI table initialization (for
execution of option ROM)
AC’97 control
Initialization of temperature control information
KBC initialization
VGA display off, Reset control
Sound initialization
HC initialization, USB Device recognition and
initialization
Initialization of devices which
need initialization before PCI
bus initialization
Control of built-in LAN permission/prohibition
PIC initialization
PIC test
Password Initialization
PCI bus initialization (connection of DS Bus)
Initialization of LAN information
F107h
Check of WakeUp factor
Task generation for waiting
INIT_PCI completion
CMOS data initialization (2)
PnP initialization
Setting of setup items
F108h
H/W setting based on resource
Task generation for waiting PnP
resource making completion
PnP H/W initialization PC card slot initialization
Making of work for automatic configuration
F109h
PCI automatic configuration
Acquisition of PCI IRQ
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 2-25