Toshiba M10, TECRA manual MCH IC3000 Bios ROM

2.4 System Board Troubleshooting 2 Troubleshooting Procedures

Table 2-6 Debug port error status (3/8)

	EC data reading	EC/KBC(EC,KBC)
	BIOS processing reading 2	ICH(CMOS,PIC	IS1050 (CPU Socket)
	setup of ICH (SATA)	controller, SATA
	setup of ICH (Azalia)	controller, Sound	IC1200 (MCH, VGA)
		controller ,Mode	IC5000(VGA(nVIDIA))
	Thermal control setup
F108		controller, PCI Expess,	CN1400 (RAM Conn.)
	Initialization of KBC
		USB controller PCI	CN1410 (RAM Conn.)
	Display setup
		register ,MEM IO)	IC1600 (ICH)
	BIOS processing reading 3	MCH,	IC3000 (BIOS ROM)
	PCI Express initialization	RAM,	IC3200 (EC/KBC)
	Initialization of a sound	BIOSROM
	setup of ICH	VGA
	setup of ICH (PIC)	CPU
F109	PCI initialization	ICH(PCI register)	IC1600 (ICH, LAN)
		EC/KBC(EC)	IC3200 (EC/KBC)
	LAN initialization
		LAN
F10A	CMOS initialization	ICH(CMOS)	IC1600 (ICH)
	setup of a setup item	EC/KBC(EC)	IC3200 (EC/KBC)
F10B	PnP device initialization	PCI device	IC2000 (CARD Cont.)
	PCI device initialization
F10C	PCI ExpressCard setup	ICH(PCI registerMEM	IC1600 (ICH, HDD Cont.)
		I/O,SATA controller)	CN1900 (HDD Conn.)
	HDD setup	EC/KBC(EC)HDD	IC3200 (EC/KBC)
F10D	Memory access check	RAM	CN1400 (RAM Conn.)
			CN1410 (RAM Conn.)
F10E	Memory data setup	RAM	CN1400 (RAM Conn.)
			CN1410 (RAM Conn.)
F10F	NDP initialization	ICH(CMOS,PIC	IC1600 (ICH)
		controller)
	TIMER initialization	ICH(PIT controller,	IC1600 (ICH)
		CMOS,PCI register )
F110			IC3200 (EC/KBC)
		EC/KBC(EC,KBC)
	Initialization of EC and		IC8972 (PSC)
		PSC
	battery access		CN8810 (1st Battery Conn.)
		battery(E2PROM)
		EC/KBC(EC)	IC1200 (VGA)
F111			IC5000 (VGA(nVIDIA))
	Display setup	VGA	CN1400 (RAM Conn.)
		RAM	CN1410 (RAM Conn.)
			IC3200 (EC/KBC)
	BIOS ROM check	EC/KBC(EC)	IC1200 (VGA)
			IC5000 (VGA(nVIDIA))
	Display setup
F112		VGA
			CN1400 (RAM Conn.)
	Display setup	MCH(MEM I/O)
			CN1410 (RAM Conn.)
		RAM
	Display setup		IC3200 (EC/KBC)

TECRA M10 Maintenance Manual (960-685) [CONFIDENTIAL] 2-25