2 Troubleshooting Procedures

2.4 System Board Troubleshooting

 

 

Table 2-3 D port status (7/7)

 

 

 

 

 

 

D port status

Inspection items

Details

 

 

 

 

 

 

 

F11Bh

Checking optional I/O ROM

EX_IO_ROM_CHECK (Checking optional I/O ROM)

 

 

 

 

 

 

 

F11Ch

Final setting up prior to boot-

PRE_BOOT SETUP

 

 

 

up

Storing the value of 40:00h (for saving/restoring SIO)

 

 

 

 

Setting up the address of font data for resuming

 

 

 

 

password

 

 

 

 

Setting up the parameters for character repeat on a USB

 

 

 

 

keyboard

 

 

 

 

Getting keys finally pressed during the IRT

 

 

 

 

Storing shadow RAM size

 

 

 

 

Updating system resources information prior to boot-up

 

 

 

 

Renewing memory mapping data for INT15h E820h

 

 

 

 

function

 

 

 

 

Updating a table for DMI

 

 

 

 

Waiting for the completion of initializing AC-Link

 

 

 

 

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 setting clock generator

 

 

 

 

When an error is detected, halts in F11DH.

 

 

 

 

Waiting for the end of serial port initialization

 

 

 

 

Canceling NMI mask

 

 

 

 

Examining the checksum of TIT

 

 

 

 

Clearing IRT running flag for runtime

 

 

 

 

Update checksum for runtime

 

 

 

 

Branching to hibernation

 

 

 

 

Initializing Bluetooth

 

 

 

 

Checking for targeted maintenance card

 

 

 

 

Disabling a PC Card that is not being used

 

 

 

 

Setting WAKEUP status data for ACPI

 

 

 

 

Initializing HW right before booting and waiting for the

 

 

 

 

completion

 

 

 

 

Reporting the DVI connection conditions to VGA

 

 

 

 

BIOS

 

 

 

 

Setting up battery safe mode

 

 

 

 

Setting up date

 

 

 

 

Waiting for the end of Bluetooth initialization

 

 

 

 

Updating DMI Wakeup factor and SM-BIOS structure

 

 

 

 

table

 

 

 

 

Waiting for the end of AC-Link initialization

 

 

 

 

Cache control

 

 

 

 

Updating parameter block A

 

 

 

 

Setting up the clock speed of the CPU to the appointed

 

 

 

 

value by the Setup

 

 

 

 

Waiting for the motor off of a disabled HDD

 

 

 

 

Concluding FDD information

 

 

 

 

Clearing power button status

 

 

 

 

Enabling the power button

 

 

 

 

Countermeasure against chips et failure

 

2-26

PORTEGE A100 Maintenance Manual (960-460)

Page 67
Image 67
Toshiba A100 manual Preboot Setup

A100 specifications

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