Toshiba PORTEGE R400 Maintenance Manual page 22

1 Hardware Overview
The system unit is composed of the following major components:
Processor
® TM
Intel Core Duo Processor (dual core) is mounted.
® TM
Intel Core
Speed
– Integrated L1 cache memory of 64KB (32KB +32KB)
– Integrated L2 cache memory of 2MB
– Processor bus speed: 533MHz
– Core voltage: 1.1 to 0.85V
– 478-pin Micro FC-PGA package
Memory
Two memory slots capable of accepting DDR2-SDRAM 256MB, 512MB, 1024MB or
2048MB memory modules for a maximum of 4GB.
• 200-pin Small Outline DIMM
• 1.8V operation
• PC2-4200(DDR2-533)/PC2-5300(DDR2-667) support
BIOS ROM
• 8Mbits of flash memory are used.
– 320KB for System BIOS
– 64KB for VGA BIOS
– 64KB for Fingerprint sensor
– 64KB for LAN BIOS
– 24KB for Boot
– 16KB for Parameter Block
– 32KB for Option Log
– Others
1-8 [CONFIDENTIAL]
Duo ULV Processor:
1.2GHz (U2500)
PORTEGE R400 Maintenance Manual (960-623)