2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-4 Debug port (Boot mode) error status (6/8) D port status Inspection items Details
(F109h) Configuration
Saving of VGA configuration result
Task generation for waiting
PCI_CONFIGURATION
completion
Initialization of H/W needed
after PCI configuration
HDD initialization sequence start
Enabling power off
F10Ah
Output code generation
F10Bh FIRST_64KB_CHECK (Check of first 64KB memory)
F10Ch INIT_INT_VECTOR (Initialization of vectors)
F10Dh INIT_NDP (Initialization of NDP)
Storing of CMOS error status to
IRT_ERR_STS_BUF
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)
F10Fh INIT_DISPLAY Waiting for VGA chip initialization completion,
VGA BIOS initialization
Waiting for VGA power ON
Waiting for Display access completion
F110h Calling VGA BIOS
F112h DISP_LOGO Displaying logo
F113h SYS_MEM_CHECK Check of convention memory in the protected
mode (boot)
F114h EXT_MEM_CHECK Check of exception in the protected mode
(boot)
Check of exception in the
protected mode
DPORT= F116H when error
F115h
INIT_SYS_MEM Initialization of conventional memory (Reboot)
2-26 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)