Toshiba PORTEGE M400 User Manual

Page 77

Advertising
background image

2.4 System board Troubleshooting

2 Troubleshooting

PORTEGE M400 Maintenance Manual (960-541)

[CONFIDENTIAL]

2-29

Table 2-3 Debug port (Boot mode) error status (9/10)

D port status

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

(F120h)

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

Advertising