Toshiba PORTÉGÉ M750 Maintenance Manual page 74

2 Troubleshooting Procedures
D port Inspection items
status
System BIOS IRT processing
setup of CPU ,
Initialization of ICH,
MCH and Super I/O,
F100
setup of SD controller,
setup of PIT
Initialization of Memory,
Memory error,
setup for using a RAM
F101
area,
check of a RAM area,
setup of CPU,
setup of CMOS,
F102
CMOS error
Transition to RESUME-
MAIN ,
BIOS processing
F103
reading,
ROM read error
BIOS signature check
F104
setup of RAM,
Initialization of ICH
F105
(APIC)
2-22
Table 2-5 Debug port error status (2/6)
Target device
CPU, ICH(PCI Register,
PIT Controller), MCH(PCI
Register),
SD Controller,
BIOSROM, Super I/O
MCH(PCI Register),
RAM(SPD, Memory),
ICH(PCI Register,
CMOS), CPU,
BIOSROM
CPU, ICH(CMOS),
BIOSROM
ICH(CMOS), BIOSROM、
EC/KBC(EC), TPM、CPU
CPU, ICH(CMOS, PIC
Controller I/O, MEM I/O),
[CONFIDENTIAL] PORTEGE M700/M750 Maintenance Manual (960-661)
2.4 System Board Troubleshooting
IS1050 (CPU Socket)
IC1200 (MCH)
IC1600 (ICH)
IC2000 (SD Cont.)
IC3001, IC3002 (BIOS
ROM)
IC3400 (Super I/O)
IC1200 (MCH)
CN1400, CN1410 (RAM
Conn.)
IC1600 (ICH)
IS1050 (CPU Socket)
IC3001, IC3002 (BIOS
ROM)
IS1050 (CPU Socket)
IC1600 (ICH)
IC3001, IC3002 (BIOS
ROM)
CN1400,CN1410 (RAM
Conn.)
IC1600 (ICH)
RAM
IC3001, IC3002 (BIOS
ROM)
IC3300 (TPM)
IC3200 (EC/KBC)、
IC3201(EEPROM)、
IS1050 (CPU Socket)
IS1050 (CPU Socket)
CN1400, CN1410 (RAM
Conn.)
RAM
IC1600 (ICH)
IC number