1 Hardware Overview 1.2 System Unit Block Diagram
1-8 PORTEGE M300 Maintenance Manual (960-504)
The system unit is composed of the following major components:
Processor
¾ Intel ® Mobile Pentium ®-M ULV Processor 1.10GHz (Processor Number ; 733)
Core voltage : 0.94/0.81V
FSB : 400MHz
L1 cache : 64KB [32KB (Code) + 32KB (Data)]
L2 cache : 2MB
Support : Enhanced Intel
®
SpeedStep technology
¾ Intel ® Mobile Celeron ®-M ULV Processor 900MHz (Processor Number ; 353)
Core voltage : 0.94V
FSB : 400MHz
L1 cache : 64KB [32KB (Code) + 32KB (Data)]
L2 cache : 512MB
Memory
One 256MB memory is mounted on the system board. One DDR SO-DIMM slots is
available for installation of DDR333 (PC2700) compatible 256, 512MB and 1GB memory
module.
¾ Supports DDR333 (PC2700)
¾ 2.5 volt operation
¾ 200 pin, SO Dual In-line Memory Modules (SO-DIMM)
North Bridge ; Intel GMCH-M
¾ One Intel 855GME is used.
¾ Features:
• Memory Controller supporting DDR266/DDR333, Max 1280MB
• Built in graphic controller
• RGB, DVI,DVO interface
• AGP interface(AGP V2.0), x4 mode
• PCI Interface (R2.2)
• ACPI 1.0
• Supports Geyserville III
• Supports Intel SpeedStep Technology
• 732-ball 37.5×37.5mm FC-BGA package
