Toshiba PORTEGE M400 Maintenance Manual page 77

2.4 System board Troubleshooting
D port status
(F120h)
PORTEGE M400 Maintenance Manual (960-541)
Table 2-3 Debug port (Boot mode) error status (9/10)
Inspection items Details
Waiting for completion of initialization of Serial port
(for models supporting SIO)
Waiting for completion of setting clock generator
When error occurred, halts at D port=F121h
Cancel of NMI Mask
TIT check sum
Clear 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 for existence of target maintenance card
Prohibition of unused PC card not used
Setting Wakeup status data for ACPI
HW initialization just before booting, 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
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
Clear of PWRBTN_STS
Enabling POWER Button
[CONFIDENTIAL]
2 Troubleshooting
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