Toshiba QOSMIO G50 Maintenance Manual page 74

2 Troubleshooting Procedures
EC data reading
BIOS processing reading 2
setup of ICH (IDE)
setup of ICH (Azalia)
setup of MCH
Thermal control setup
F108 Initialization of KBC and CECC
Display setup
BIOS processing reading 3
setup of built-in LAN
PCI Express initialization
Initialization of a sound
setup of ICH
setup of ICH (PIC)
PCI initialization
F109
LAN initialization
F10A CMOS initialization
setup of a setup item
F10B PnP device initialization
PCI device initialization
PCI ExpressCard setup
F10C
HDD setup
F10D
Memory access check
F10E
Memory data setup
F10F
NDP initialization
TIMER initialization
F110
Initialization of EC and
battery access
F111
Display setup
BIOS ROM check
Display setup
F112
Display setup
Display setup
2-24
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Table 2-6 Debug port error status (3/8)
[CONFIDENTIAL]
2.4 System Board Troubleshooting
EC/KBC(EC,KBC)
CEC controller
ICH(CMOS,PIC
controller, IDE
controller, Sound
controller ,Mode
controller, PCI Expess,
USB controller PCI
register ,MEM IO)
MCH
RAM
BIOSROM
VGA
CPU
ICH(PCI register)
EC/KBC(EC)
LAN controller
ICH(CMOS)
EC/KBC(EC)
PCI device
ICH(PCI registerMEM
I/O,IDE controller)
EC/KBC(EC)HDD
RAM
RAM
ICH(CMOS,PIC
controller)
ICH(PIT controller,
CMOS,PCI register )
EC/KBC(EC,KBC)
PSC
battery(E2PROM)
EC/KBC(EC)
VGA
RAM
EC/KBC(EC)
VGA
MCH(MEM I/O)
RAM
QOSMIO G50 Maintenance Manual (960-683)
IC1000 (CLKGEN)
IS1050 (CPU Socket)
IC1200 (MCH, VGA)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IC3001 (BIOS ROM)
IC3200 (EC/KBC)
IC3500 (CECC)
IC1600 (ICH, LAN)
IC3200 (EC/KBC)
IC4000 (LAN Controller)
IC1600 (ICH)
IC3200 (EC/KBC)
IC2000 (CARD Cont.)
IC1600 (ICH, HDD Cont.)
CN1900 (HDD Conn.)
CN1920 (HDD Conn.)
IC3200 (EC/KBC)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IC1600 (ICH)
IC3200 (EC/KBC)
IC8972 (PSC)
CN8810 (1st Battery Conn.)
IC1200 (VGA)
IC5000 (VGA)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC3200 (EC/KBC)
IC1200 (MCH, VGA)
IC5000 (VGA)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC3200 (EC/KBC)