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2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-4 Debug port (Boot mode) error status (5/9)
D port status Inspection items Details
(F105h)
CPU clock measurement
Check of parameter block A
Permission of SMI except auto-off function
Control of excess of rated input power
Battery discharge current control (1CmA)
AC adapter rated over current control
Dividing procedures for time measuring by IRT
Setting for clock generator
CPU Initialization
Micro code update
Judging of CPU type
Geyserville support check
Setting of CPU clock to “high"
Graphics Aperture Size setting (except when
VGA_BUS=0)
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 Sets default setting if bad battery or 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
PC multi-box status acquisition (for models
supporting Selectable bay)
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
Password Initialization
2-24 QOSMIO F10 Maintenance Manual (960-498)