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2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-6 Debug port (Resume mode) error status (1/4)
LED Status Test item Contents
Resume
F100h Refer to IRT
F101h Refer to IRT
F102h Refer to IRT
Refer to IRT
Clears flag for SMI control.
F103h
Renewal of Resume counter
Checks the WakeUp factors.
F121h
Rewriting of SMRAM BASE
Initializing of PIT
Initializing of PIT channel 0 (Sets the interval of
timer interruption to 55ms)
Initializing of PIT channel 2 (Sets the sound
generator frequency to 664Hz)
Measuring CPU clock
Permission of SMI other than auto-off function
Control of excess of rated input power
Control of battery discharging current (1CmA)
Control of excess of rated current of AC adapter
Dividing for measuring of IRT time
Setting to clock generator
Check of parameter block A
Initializing of CPU
Updating micro-code
Judge of CPU type
Check of supporting Geyserville
Sets the CPU clock to High
Initializing devices necessary for
initialization before initializing PCI bus
Setting of Graphics Aperture Size
Recovery of PIC register
AC'97 control
Initializing of temperature control information
Initializing of KBC
F122h
Initialization 2 of devices necessary for
initialization before initializing PCI bus
VGA display-off and Reset control
2-32 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)