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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-3 Printer port LED boot mode status (8/8)
LED Status Test item Contents
(1Ch) (PRE_BOOT_SETUP) Updating of table for DMI
Copy of ACPI table to top of expansion memory
Waiting for completion writing of PSC version to BIOS
Waiting for clock generator setting completion (The
system halts in LED = 1DH when an error is detected.)
Waiting for serial port initialization completion (for models
supporting SIO)
Cancel of NMI Mask
TIT check sum
Clearance of the IRT flag of Runtime side
Update of check sum of Runtime side
Hibernation branch (for models supporting BIOS
Hibernation )
Initialization of Bluetooth (For models supporting
Bluetooth)
Check of existence of object maintenance cards
Prohibition of unused PC cards
Setting of WAKEUP status data for ACPI
HW initialization before Boot, Waiting for initialization
completion
Notifies the DVI connection status to VGA BIOS (for
models supporting DVI)
Setting of battery save mode
Setting of date
Waiting for Bluetooth initialization completion (for
models supporting Bluetooth)
Update of DMI Wakeup factor, Update of SM-BIOS
structure table
PCI device configuration space close
Cache control
Update of parameter block A
Process for CPU (Make the CPU clock to be set by
SETUP)
Waiting of motor-off completion of disabled HDD
Final decision of USB FDD drive information
Post processing of PRE_BOOT_SETUP
Clearance of PWRBTN_STS, Enabling POWER
FFh End Button
2-28 Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)