Toshiba QOSMIO G50 Maintenance Manual page 75

2.4 System Board Troubleshooting
F113
Display check
Display setup
F114
BIOS Boot logo display
CMOS reading
F115
Memory check
F116 CPU error checking
Memory check
F117
Memory initialization
Exception check error (it does not
F118
HALT)
F119 setup of ICH (DMAC)
F11A setup of ICH (DMAC)
F11B setup of ICH (DMAC)
F11C Display setup
F11F Password processing
setup of RAM data
F120 LAN initialization
LAN setup
Display setup
Keystroke check
setup of RAM data
PC card setup
F121
Display setup
setup of RAM data
setup of ICH (PCI)
CPU setup
setup of ICH (MEM IO)
F122
F123 Initialization of EC
F166 initialization error of EC
QOSMIO G50 Maintenance Manual (960-683)
Downloaded from LpManual.com Manuals
Table 2-7 Debug port error status (4/8)
ICH(CMOS)
ICH(CMOS)
VGA
ICH(CMOS)
RAM
CPU
RAM
ICH(CMOS)
RAM
CPU
ICH(DMAC)
ICH(DMAC)
ICH(DMAC)
VGA
EC/KBC(EC)
VGA
ICH(USB controller)
RAM
LAN Controller
MCH(PCI register )
VGA
CPU
BIOSROM
ICH(CMOS,MEM I/O)
VGA
EC/KBC(EC,KBC)
RAM
BIOSROM
PC card controller
CPU
Clock generator
EC/KBC(EC)
VGA
EC/KBC(EC)
2 Troubleshooting Procedures
IC1600 (ICH)
IC1200 (VGA)
IC5000 (VGA)
IC1600 (ICH)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IS1050 (CPU Socket)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IS1050 (CPU Socket)
IC1600 (ICH)
IC1600 (ICH)
IC1600 (ICH)
IC1200 (VGA)
IC5000 (VGA)
IC1200 (VGA)
IC5000 (VGA)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IC3200 (EC/KBC)
IC3201(EEPROM)
IS1050 (CPU Socket)
IC1200 (MCH, VGA)
IC5000 (VGA)
IC3001 (BIOS ROM)
IC4000 (LAN Controller)
IS1050 (CPU Socket)
IC1200 (VGA)
IC5000 (VGA)
CN1400 (RAM Conn.)
CN1410 (RAM Conn.)
IC1600 (ICH)
IC2000 (PC-Card Cont.)
IC3001 (BIOS ROM)
IC3200 (EC/KBC)
IC1000 (CLKGEN)
IC1200 (VGA)
IC5000 (VGA)
IC3200 (EC/KBC)
IC3200 (EC/KBC)
[CONFIDENTIAL] 2-25