Toshiba libretto U100 Series, Maintenance Manual

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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-28 [CONFIDENTIAL] libretto U100 Maintenance Manual (960-520)
Table 2-4 D port status (7/8)
LED Status Test item Message
BOOT_PASSWORD (Password check)
Waiting for completion of FDD initialization ( model with
Internal FDD) (Reboot)
Waiting for completion of HDD initialization
Check of key input during IRT (waiting for completion
of KBC initialization)
I/O LOCK process (model supporting I/O LOCK)
Initialization of ATA priority (Boot)
Loading process of BM (model supporting finger print
Authentication)
Initialization of BM (model supporting finger print
Authentication)
Check of key input during IRT (waiting for completion
of KBC initialization)
Input of password (Waiting for completion of HDD
initialization)
I/O LOCK process (model supporting I/O LOCK)
F11CH BOOT_PASSW
Releasing of BM (model supporting finger print
Authentication)
F11DH EX_IO_ROM_CHECK (Option I/O ROM check)
F11EH
PRE_BOOT_SETUP
Storing the value of 40:00h (for SIO save/restore)
Setting Font address for resume password
Setting parameter for character repeat on a USB
keyboard
Final check key input during the IRT
Storing T_SHADO_RAM_SIZE
Update of system resources information just before
booting
Rewriting of memory map data of INT15h E820h
function
Waiting for AC-Link initialization completion
Updating a table for DMI
Setting parts information (model supporting parts
information)
Copying an ACPI table to the top of an expansion
memory
Waiting for the completion of writing PSC version on
BIOS
Waiting for the completion of setting clock generator
and check (Stop at DPORT=F11FH when an error
occurred)
Waiting for the completion of serial port initialization
(model supporting SIO)
Canceling NMI Mask
Examining the checksum of TIT
Clearance of IRT-running flag in Runtime side
Updating checksum for Runtime