1.2 System Unit Block Diagram 1 Hardware Overview
PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 1-9
The system unit is composed of the following major components:
Processor
Intel
®
Core
TM
2 Duo ULV
• Core speed:
Speed 1.2GHz (U7600)/ 1.06GHz (U7500)
– Integrated L1 cache memory of 64KB (32KB +32KB)
– Integrated L2 cache memory of 2MB
– Processor bus speed: 533MHz
– Core voltage: 1.05
– 478-pin Micro FC-PGA package
( ): Processor Number
Memory
One memory slots capable of accepting DDR2-SDRAM 512MB or 1024MB memory
modules for a maximum of 2GB（on board 1GB）.
• 200-pin Small Outline DIMM
• 1.8V operation
• PC2-4200(DDR2-533)/PC2-5300(DDR2-667) support
North Bridge
• Intel Calistoga GMS(Intel 945GMS)
– Processor Support: Core 2 Duo ULV (case of PORTEGE R500)
– Supports System Memory : DDR2-400/DDR2-533/DDR2-667,
2GB(max)
– Internal Graphics Controller : Inter Generation 3.5 Integrated GFX Core
– DMI(Direct Media Interface)
– Supports ICH.
– 998-ball 27×27mm Bell Pitch 0.8mm FC-BGA package
