2 Troubleshooting Procedures 2.4 System Board Troubleshooting Table 2-5 Printer port LED boot mode status (7/7) LED Status Test item Message
1Fh PRE_BOOT_SETUP Storing the val ue of 40:00h (for SIO save/restore)
Font address setting for resume password
Setting of parameter for character repeat on a USB
keyboard
Getting keys pressed during the IRT
Storing T_SHADO_RAM_SIZE
Reflecting expansion memory size to CMOS
Update of system resources information just before
booting
Updating a table for DMI
Rewriting memory map data for INT15h E820h
Rewriting Wake UP factor of DMI and SM-BIOS structure
table
Copying an ACPI table to the top of an expansion
memory
Waiting for the end of writing PSC version on BIOS
Waiting for the end of clock generator setting and check
(Stop at LED=20H when an error occurred)
Waiting for the end of serial port initialization
Canceling NMI Mask
Examining the checksum of TIT
Clearance of IRT running flag for runtime
Updating checksum for runtime
Branching to hibernation
Bluetooth initialization
Check upgrade of CPU, HDD, etc.
Check whether a target maintenance card is set
Disabling a PC card not used
Setting of Wake UP status data for ACPI
HW initialization prior to boot, Waiting for the end of HW
initialization
SID of SC initialization
Cutting power consumption of built-in LAN
21h IRT_POST_END
FFh