Toshiba satellite a20 series Benutzerhandbuch

1.2 System Unit Block Diagram 

 

The system unit is composed of the following major components: 
 

 Processor 

Intel Desktop Pentium 4 Processor 2.53GHz 

– Processor 

core 

speed: 2.53GHz at 1.525V 

–  Processor bus speed: 533MHz 
–  Integrated L1 cache memory: 12KB instruction cache and 8KB write-back 

data cache, 4-way set associative 

–  Integrated L2 cache memory: 512KB ECC protected cache data array, 8-

way set associative 

– Integrated 

NDP 

 

Intel Desktop Pentium 4 Processor 2.66GHz 

– Processor 

core 

speed: 2.66GHz at 1.525V 

–  Processor bus speed: 533MHz 
–  Integrated L1 cache memory: 12KB instruction cache and 8KB write-back 

data cache, 4-way set associative 

–  Integrated L2 cache memory: 512KB ECC protected cache data array, 8-

way set associative 

– Integrated 

NDP 

 

Intel Desktop Pentium 4 Processor 2.8GHz 

– Processor 

core 

speed: 2.8GHz at 1.525V 

–  Processor bus speed: 533MHz 
–  Integrated L1 cache memory: 12KB instruction cache and 8KB write-back 

data cache, 4-way set associative 

–  Integrated L2 cache memory: 512KB ECC protected cache data array, 8-

way set associative 

– Integrated 

NDP 

 

Intel Desktop Pentium 4 Processor 3.06GHz 

– Processor 

core 

speed: 3.06GHz at 1.525V 

–  Processor bus speed: 533MHz 
–  Integrated L1 cache memory: 12KB instruction cache and 8KB write-back 

data cache, 4-way set associative 

–  Integrated L2 cache memory: 512KB ECC protected cache data array, 8-

way set associative 

– Integrated 

NDP