Toshiba PTA70, PTA71, PSAA9 manual System Unit Components Hardware Overview

1.2 System Unit Components 1 Hardware Overview

‰BIOS ROM (flash EEPROM)

y8Mb x 1 chip (1024KB flash parts)

−40Kb used for EC BIOS

−35Kb used for PNP

−3Kb used for display

−15Kb used for logo

−16Kb used for setup

−10Kb used for setup nodes

−1Kb used for decompress code

−1Kb used for boot block

−2Kb used for TPM

−64Kb used for

−23Kb used for miser

−237Kb used for VGA BIOS

−42Kb used for PXE

−14Kb used for string

−47Kb used for ROMEXEC

−133Kb used for BIOS code

−6Kb used for mini loader

‰System controllers

yNorth Bridge: Intel 945 GM/PM/940GML

−CPU interface and control

−System Memory Support

−PCI Express* Graphics (PEG) Interface

−Integrated Display Interface Support

−Internal Graphics Features

−Direct Media Interface (DMI)

−Power Management

−Serial ATA Interface

−ICH7 Audio Control

−SMBus 2.0/SMLink Interface

ySouth Bridge: ICH7-M

−Direct Media Interface (DMI)

−PCI Express* Interface

−Serial ATA (SATA) Controller

Satellite A100/A105 / TECRA A7 Maintenance Manual 11