Toshiba tecra m1 manual Tecra M1 Maintenance Manual

2.4 System Board Troubleshooting 2 Troubleshooting Procedures

Table 2-3 Printer port LED boot mode status (4/8)

LED Status	Test item	Message
(05H)	(Initialization of a device which	Test of PIT CH2 (Check whether the speaker gate is
	needs initialization before	working properly.)
	initialization of PCI bus)
		Measuring of CPU clock
		Enabling SMI except for auto-off function
		Control of battery discharge current (10mA)
		Division process of measuring IRT time
		Setting for clock generator
		Check of parameter block A
		CPU initialization
		Update of micro code
		Check of Geyserville support
		Setting of CPU clock to high
		Setting of Graphics Aperature Size
06H	Storing memory configuration in
	buffer
	Reading EC version
	Update of flash ROM type
	Evaluation of destination
	(home/overseas) by DMI data
	Setting default when a CMOS
	default error (Bad Battery, Bad
	Checksum (ROM, CMOS))
	occurred
	Initialization of ACPI table (for
	executing an option ROM)
	Initialization of a device that needs	AC’97 control
	initialization before PCI bus
		Initialization of temperature control information
	initialization
		KBC initialization
		VGA display off and reset control
		Sound initialization
		Acquisition of status
		HC initialization, Recognition of USB device connection
		and initialization
		Control of interval LAN enable/disable
	PIC initialization
	PIC test

TECRA M1 Maintenance Manual (960-436) 2-23