2.4 System Board Troubleshooting 2 Troubleshooting Procedures
QOSMIO F20 Maintenance Manual (960-526) [CONFIDENTIAL] 2-27
Table 2-4 Debug port (Boot mode) error status (8/9)
D port status Inspection items Details
(F11Ch)
(In the case of “Boot”)
Check of key input during IRT (waiting for KBC
initialization completion)
Input of password (waiting for HDD
initialization completion)
F11Dh
EX_IO_ROM_CHECK Check of option I/O ROM
Saving of value in 40:00h
(for SIO saving/restoring)
Setting of font address for resume password
Setting of repeat parameter for USB KB
Final check of key input during IRT
Storing of T_SHADOW_RAM_SIZE
Update of system resource before boot
Rewriting of memory map data of INT15h E820h
function
Waiting for AC-Link initialization completion
Renewal of table for DMI
Copying ACPI table to top of extension memory
F11Eh
PRE_BOOT_SETUP
Waiting for completion of BIOS rewriting of PSC
version
Waiting for completion of setting clock generator
When error occurred, halts at DPORT=F11FH
Cancel of NMI Mask
TIT check sum
Clear of the IRT flag of Runtime side
Update of check sum of Runtime side
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