Toshiba A3X manual Port Inspection items Details

2.4 System Board Troubleshooting			2 Troubleshooting Procedures
		Table 2-3 D port status (7/9)
	D port	Inspection items	Details
	t t
			Storing of VGA configuration result
	F10BH	IRT_PCI_CONF_END
			Task generation for waiting
			PCI_CONFIGURATION completion
		Initialization of H/W which is necessary	Printer port setting (for models supporting
		after PCI configuration	printer port)
			HDD initialization sequence start
			FDD initialization sequence start (For models
			supporting built-in FDD)
		Enabling power off
		Output code generation
	F10CH	IRT_CHK_INI_SYS3_END
		FIRST_64KB_CHECK	Checking the first 64KB of memory
	F10DH	IRT_CHK_F64KB_END
		INIT_INT_VECTOR	Initializing interrupt vectors
	F10EH	IRT_INI_VECT_END
		INIT_NDP	Initializing a NDP
	F10FH	IRT_INI_NDP_END
		INIT_SYSTEM	(Initialization of system)
			Storing CMOS error information in
			IRT_ERR_STS_BUF
			Timer initialization start
			Initializing an EC, and reading battery
			Updating system BIOS (Updating EDID of
			the LCD)
	F110H	IRT_INI_SYS_END
		INIT_DISPLAY	(Waiting for VGA chip initialization
			completion ､ Initializing VGA BIOS)
	F111H	IRT_VGA_POS_START
		VGA POST	(Waiting for VGA chip initialization
			completion ､ Initializing VGA BIOS)
	F112H	IRT_INI_POST_END
	F113H	IRT_INI_DISP_END
		DISP_LOGO	(Displaying a logo)
	F114H	IRT_DISP_LOGO_END
		SYS_MEM_CHECK	Checking conventional memory (Boot)
	F115H	IRT_SYSTEM_CHK_END
		EXT_MEM_CHECK	Exception check in protect mode (Cold boot
			only)

Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-25