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Table 2-3 printer port led boot mode status (2/6) – Toshiba M10 User Manual

Page 69

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2.4 System Board Troubleshooting

2 Troubleshooting Procedures

Satellite Pro M10 Series Maintenance Manual (960-431)

2-23

Table 2-3 Printer port LED boot mode status (2/6)

LED Status

Test item

Message

CMOS battery level check

CMOS checksum

CMOS data initialization (1)

Set IRT status

DRAM size storing in CMOS

Resume branch check

SM-RAM checksum

SMI control flag clear

System BIOS RAM area checksum

Wake Up check

SMRAM base rewrite

PnP RAM checksum

04h Resume

branch

PIT test and initialization

Enabling SMI except for auto-off function

Set clock generator

ACPI register initialization

Initialization of temperature control information

EC debug

Piano debug

443BX device 1 initialization

06h Grant

SMI

PIC register initialization

Resume process to resume main

Resume process

Resume error process

440BX debug

AGP bridge initialization

07h

System BIOS ROM/RAM
copy

System BIOS ROM to RAM copy

SMRAM initialization

Wake Up check

SMRAM base rewrite and BIOS CPU state map
store

Set SMI handler to runtime

05h SMRAM

initialization

PIT test and initialization

06h

CPU clock measure

CPU clock measure