Toshiba A10 manual Hardware Overview System Block Diagram, Cpu

1 Hardware Overview 1.2 System Block Diagram

The PC contains the following components.

CPU

Intel® Mobile Pentium®4-M model

•1.80/1.90/2.00/2.20GHz (Internal clock: 1.80/1.90/2.00/2.20GHz, Bus:

400MHz, Core voltage: 1.30/1.20V, Built-in NDP)

•Internal cache memory: 12KB (in CPU)

•Secondary cache memory: 512KB (in CPU)

Intel Mobile Celeron model

•1.80/2.00/2.20GHz (Internal clock: 1.80/2.00/2.20GHz, Bus: 400MHz, Core

voltage: 1.30V, Built-in NDP)

•Internal cache memory: 12KB (in CPU)

•Secondary cache memory: 256KB (in CPU)

Memory

Two memory slots capable of accepting 128MB, 256MB or 512MB memory modules for a maximum of 1GB.

•200-pin DDR-SDRAM (PC2100)

•Pipeline configuration

•3.3V operation

•Support PC133

BIOS ROM

•8Mbit (Flash memory)

−64KB used for logo

−32KB used for setup and checksum

−128KB used for system BIOS

−64KB used for VGA-BIOS

−64KB used for ACPI

−8KB used for PnP

−8KB used for password security

−16KB used for booting

−128KB are reserved

•5.0V operation

•Access time : 120 ns or 90 ns

•Data transfer: 8-bit

1-6 Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)