Toshiba PORTEGE M400 Maintenance Manual page 169

2.4 System board Troubleshooting
Table 2-3 Debug port (Boot mode) error status (7/10)
D port status
(F10Ah) PCI automatic configuration
F10Bh Task generation for waiting
PCI_CONFIGURATION
completion
Initialization of H/W needed after
PCI configuration
Enabling power off
Output code generation
F10Ch FIRST_64KB_CHECK
F10Dh INIT_INT_VECTOR
F10Eh INIT_NDP
INIT_SYSTEM
F10Fh
(Initialization of system)
F110h INIT_DISPLAY (Waiting for VGA
chip initialization completion, VGA
BIOS initialization)
F111h VGA BIOS
F113h DISP_LOGO
F114h SYS_MEM_CHECK (boot mode)
F115h EXT_MEM_CHECK (boot mode)
F116h Exception check in the protected
mode
INIT_SYS_MEM (reboot mode)
F118h CHK_DMA_PAGE (boot mode)
F119h CHECK_DMAC (boot mode)
PORTEGE M400 Maintenance Manual (960-541)
Inspection items Details
Making of work for automatic configuration
Acquisition of PCI IRQ
Configuration
Saving of VGA configuration result
Printer port setting (for models supporting
printer)
HDD initialization sequence start
(Check of first 64KB memory)
(Initialization of vectors)
(Initialization of NDP)
Storing of CMOS error status to
IRT_ERR_STS_BUF
Timer initialization start
EC initialization & Reading of battery
information
Update of system BIOS (Update of EDID
information for LCD)
Displaying logo
Check of convention memory
Check of exception in the protected mode
Dport=F117h when error occurs
Initialization of conventional memory
Check of DMA Page Register
Check of DMAC
[CONFIDENTIAL]
2 Troubleshooting
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