1 Hardware Overview
PORTÉGÉ R300 Maintenance Manual (960-591) [CONFIDENTIAL] 1-9
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
North Bridge
• Intel Calistoga GM
– Supports Yonah Processor System Bus
– Supports System Memory : DDR2-400/DDR2-533/DDR2-667,
4GB(max)
– Internal Graphics Controller : Inter Generation 3.5 Integrated GFX Core
(250MHz)
– DMI(Direct Media Interface)
– Supports ICH.
– 1466-ball 37.5×37.5×2.56mm FC-BGA package
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