Toshiba PQF46X User Manual

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

‰  Processor: Core2 Duo Processor and Celeron M Processor. 

y  Core2 Duo Processor (800MHz) 

−  Core speed: 1.80/2.00/2.20/2.40 GHz 

−  System bus: 800 MHz 

−  On-die level 2 cache: 2 MB (1.8 GHz) 

−  On-die level 2 cache: 4 MB (2.0/2.2/2.4 GHz) 
 

y  Celeron M Processor (533MHz) 

−  Core speed: 1.86/2.00 GHz 

−  System bus: 533 MHz 

−  On-die level 2 cache: 1 MB 

 

‰  Memory 

Two expansion memory slots are provided.  They can hold 512/1024/2048MB expansion 
memory modules available as options to grow up to 4.0 GB. 
 

y  PC2-5300/667MHz DDRII SDRAM supported 

y  512/1024/2048MB modules supported 

−  512 MB (32M x 16 x 8P) 

−  1024 MB (64M x 8 x 16P) 

−  2048 MB (64M x 16 x 16P) 

y  1.8 volt operation 

y  No parity bit 

y  64-bit data transfer 

 

‰  BIOS ROM (Flash EEPROM) 

y  8Mb x 1 chip (1024KB flash parts) 

−  64.00Kb used for EC BIOS 

−  8.00Kb used for ESCD 

−  15.13Kb used for Memory Initial Code 

−  12.71Kb used for ACPI 

−  30.03Kb used for CPU update module 

−  64.03Kb used for Intel VGA BIOS 

−  55.28Kb used for Finger Printer ROM 

−  51.44Kb used for string data 

−  39.13Kb used for nVidia G84