Toshiba R100 System board Troubleshooting D port status 3/6, Port status Inspection items Details

2.4 System board Troubleshooting					2 Troubleshooting
		Table 2-3 D port status (3/6)
	D port status	Inspection items	details
	F103		Clearing resuming status
			Setting a request for a resuming error
			Copying system BIOS from ROM to RAM
	F104h	Initializing SMRAM	Initializing SMRAM
			Checking the factor of WakeUp
			Changing SMRAM base
			Enabling SMI
	F106h	Initializing a PIT and a CPU	Initializing devices before initializing PCI bus
			Testing(only on COLD booting) and Initializing PIT
			Setting test pattern to channel 0 of PIT#0
			Checking whether the test pattern ca be read
			Initializing PIT channel 0		(Interval of time
			interrupt	55ms)
			Initializing PIT channel 2		(frequency for sound
			generator	664ms)
			Testing PIT channel 1(Checks whether the refresh signal
			operates correctly in refresh interval of 30μs)
			Initializing PIT channel 2		( checks whether the speaker
			gate operates correctly)
			Measuring CPU clock
			Enabling SMI other than auto-off function
			Control of battery discharging current
			Performing timeshared process for time measurement of
			IRT
		Initializing CPU	Updating P6 micro-code
			Enabling or disabling the function of processor serial
			number ID
			Checking whether Geyserville is supported
			Switching CPU clock speed to high
			Setting Graphics Aperture Size
	F107h	Initializing ACPI, KBC, VGA,	Storing the size of ROM in a buffer
		sound function, and PIC	Reading EC version
			Updating the type of flash memory
			Determining the destination
			Checking the default settings of CMOS
			Initializing ACPI table

PORTEGE R100 Maintenance Manual (960-440) 2-23