1 Hardware Overview 1.2 System Unit Components
14 Satellite M40/M45 TECRA A4 dynabook Vx/4 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: Intel 915 GM
− 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