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

Page 77
Image 77
Toshiba M10, TECRA manual MCH IC3000 Bios ROM