Toshiba Tecra A2-S139 Maintenance Manual - Page 21
System Block Diagram, Hardware Overview, 20/1.30/1.40GHz Internal clock: 1.20/1.30/1.40GHz
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1.2 System Block Diagram 1 Hardware Overview The PC contains the following components. q CPU Intel® Mobile Pentium® -M model • 1.50/1.60/1.70GHz (Internal clock: 1.50/1.60/1.70GHz, Bus: 400MHz, Core voltage: 1.48/0.88V, Built- in NDP) • L1 cache memory: 64KB • L2 cache memory: 1024KB Intel® Mobile Celeron® -M model • 1.20/1.30/1.40GHz (Internal clock: 1.20/1.30/1.40GHz, Bus: 400MHz, Core voltage: 1.356V, Built-in NDP) • L1 cache memory: 64KB • L2 cache memory: 256KB q Memory Two memory slots capable of accepting 256MB, 512MB or 1024MB memory modules for a maximum of 1GB or 2GB. • 200-pin DDR-SDRAM (PC2100/PC2700) • Pipeline configuration • 2.5V operation • Support PC133 q Firmware Hub • 4Mbit (Flash memory) • Vcc : 3.3V±0.3V • Vpp : 3.3V/12V Satellite A50/TECRA A 2 Maintenance Manual (960-478 ) 1-7