Toshiba M40 User Manual

Page 24

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1 Hardware Overview

1.2 System Unit Components

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EQUIUM M40/M45/Satellite M40/M45 Maintenance Manual

BIOS ROM (flash EEPROM)

y 4Mb x 1 chip (512KB flash parts)

− 33kb used for EC BIOS

− 51kb used for VGA BIOS

− 40kb used for pxe boot

− 4kb used for logo

− 7kb used for USB

− 15kb used for SCU

− 14kb used for PCI

− 2kb used for ACPI

− 14kb used for PNP

− 30kb used for PM

− 50kb used for system BIOS

− 8kb used for micro code

− 2kb used for DMI

− 4kb used for password

− 26kb used for boot load

− 1kb used for IMAG002

− 2kb used for DYNALOGO

− 2kb used for TSBDEV

− 4kb used for OSB_CMT

− 4kb used for OSB_PMP

− 11kb used for DISPSEG

− 4kb used for OWNER_ROM

− 40kb used for GIGA

− 8kb used for TSBOEM

− 1kb used for CBboot

− 156kb reserved

System controllers

y North Bridge: ATI RC410MB

− CPU interface and control

− System Memory Support

− PCI Express* Graphics (PEG) Interface

− 2D/3D Acceleration Features

− Integrated Display Interface Support

− Internal Graphics Features

− Direct Media Interface (DMI)

− Power Management

− Multiple display Features

− Test capability features