1 Hardware Overview

1.2 System Unit Components

The system unit of the computer consists of the following components:

‰Processor: Intel Yonah Processor and Yonah Based Celeron M

yIntel Yonah Processor (667MHz)

Core speed: 1.66/1.83/2.0/2.16/2.33 GHz

System bus: 667 MHz

On-die level 2 cache 2 MB

Advanced Power Management features including Enhanced Intel ® SpeedStep ® technology

yYonah Based Celeron-M (533MHz)

Core speed: TBD

System bus: 533 MHz

On-die level 2 cache 1 MB

‰Memory

Two expansion memory slots were provided, They can hold 256/512/1024MB expansion memory modules available as options to grow up to 4.0 GB.

yPC2-4200 /533/667MHz DDRII SDRAM supported

y256/512/1024MB modules supported

256 MB (16M x 16 x 8P)

512 MB (32M x 16 x 8P)

1024 MB (64M x 8 x 16P)

y1.8 volt operation

yNo parity bit

y64-bit data transfer

10

Satellite A100/A105 / TECRA A7 Maintenance Manual

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