2.4 System Board Troubleshooting 2 Troubleshooting Procedures
PORTÉGÉ M500 Maintenance Manual (960-559) [CONFIDENTIAL] 2-29
Table 2-4 Debug port (Boot mode) error status (7/10)
D port status Inspection items Details
Configuration
(F10AH)
Saving of VGA configuration result
IRT_PCI_CONF_END
Task generation for waiting PCI_CONFIGURAT ION
completion
Printer port setting (for models supporti ng printer)
HDD initialization sequenc e start
Initialization of H/W needed after
PCI configuration
FDD initialization sequenc e start (for models
supporting printer internal FDD)
Enabling power off
F10BH
Output code generation
IRT_CHK_INI_SYS3_END
F10CH
FIRST_64KB_CHECK (Check of first 64KB memory)
IRT_CHK_F64KB_END
F10DH
INIT_INT_VECTOR (Initialization of vectors)
IRT_INI_VECT_END
F10EH
INIT_NDP (Initialization of NDP)
IRT_INI_NDP_END
Storing of CMOS error status to
IRT_ERR_STS_BUF
Timer initialization start
EC initialization & Reading of battery information
F10FH
INIT_SYSTEM
(Initialization of system)
Update of system BIOS (Update of EDID information
for LCD)
IRT_INI_SYS_END
F110H
INIT_DISPLAY (Waiting for VGA chip initialization completion, VGA
BIOS initialization)
IRT_VGA_POST_START
F111H
VGA POST
F112H IRT_VGA_POST_END
IRT_INI_DISP_END
F113H
DISP_LOGO (Displaying logo)
IRT_DISP_LOGO_END F114H
SYS_MEM_CHECK (Check of convention memory)(Boot)