2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-32 [CONFIDENTIAL] QOSMIO F20 Maintenance Manual (960-526)
Table 2-6 Debug port (Resume mode) error status (1/4)
LED Status Test item Contents
F100h Refer to IRT
F101h Refer to IRT
F102h Refer to IRT
Refer to IRT
Clears flag for SMI control.
F103h
Update of Resume counter
Checks the WakeUp factors.
F121h
Rewriting of SMRAM BASE
F122h
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
Check of parameter block A
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 of process for measuring of IRT time
Setting to clock generator
Initializing of CPU
Updating micro-code
Judging of CPU type
Check of Geyserville support
Sets the CPU clock to High.
Initializing devices necessary for
initialization before initializing PCI
bus
Setting of Graphics Aperture Size
Recovery of PIC register
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