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2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Table 2-4 Debug port (Boot mode) error status (7/9)
D port status Inspection items Details
F10Dh INIT_NDP (Initialization of NDP)
Storing of CMOS error status to
IRT_ERR_STS_BUF
CD POWER SW control
(for models supporting CD Play function)
Timer initialization start
EC initialization & Reading of battery
information
F10Eh
INIT_SYSTEM
(Initialization of system)
Update of system BIOS (Update of EDID
information for LCD)
Waiting for VGA power-on
F10Fh
INIT_DISPLAY (Waiting for VGA
chip initialization completion,
VGA BIOS initialization)
Waiting for Display access completion
F110h Calling VGA BIOS
F111h/F112h
DISP_LOGO
Displaying logo
F113h
SYS_MEM_CHECK (boot mode) Check of convention memory
F114h
EXT_MEM_CHECK (boot mode) Check of exception in the protected mode
Check of exception in the
protected mode
DPORT=F116h when error occurs
F115h
INIT_SYS_MEM (reboot mode) Initialization of conventional memory
F117h
CHK_DMA_PAGE (boot mode) Check of DMA Page Register
F118h
CHECK_DMAC (boot mode) Check of DMAC
F119h
INIT_DMAC (boot mode) Initialization of DMAC
F11Ah
CHECK_PRT (for models
supporting printer)
Check of printer port existence
F11Bh
CHECK_SIO (for models
supporting SIO)
Check of SIO
F11Ch
BOOT_PASSWORD
(password check)
Waiting for FDD initialization completion (for
models supporting built-in FDD)
(In the case of “Reboot”)
Waiting for HDD initialization completion
Check of key input during IRT (waiting for
KBC initialization completion)
I/O LOCK process (for models supporting
I/O lock)
ATA priority initialization
2-26 QOSMIO F10 Maintenance Manual (960-498)