1 Hardware Overview 1.2 System Unit
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[CONFIDENTIAL]
Satellite M50 Series Maintenance Manual
1.2 System Unit
The system unit is composed of the following major components:
Processor (depending on the model you purchased)
• Mobile Intel
®
Celeron
®
M Processor 350J/360J/370 or
• Intel
®
Pentium
®
M Processor 725A/730/740/750/760/770
System Logic
• Intel 915PM/915GM and 910GML host bridge/controller processor with host bus
support
• Integrated DRAM controller
• Integrated VGA controller
• Intel ICH6-M for PCI to LPC Bridge, PCI IDE controller, Power Management
Logic.
• PCI bus interface
• Power management functions
• Supports DMI
Keyboard Controller
• ENE KB910 B4 is used for keyboard controller, battery management unit, and RTC.
Memory
• System DRAM
• Two JEDEC standard 200-pin, 2.5V DDR I SO-DIMM memory support for
256MB/512MB/1024MB/2048MB.
• ROM BIOS for system
• 1MB Flash ROM
• Slot: 2 SO-DIMM up to 1GB can be upgraded through memory expansion slot.
You need to remove existing SO-DIMM if SO-DIMM is installed in memory
expansion slot. Maximum upgradeable system memory depends on the model.
• Cache: 1MB L2 Cache (Intel® Celeron® M Processor), 2MB L2 Cache (Intel®
Pentium® M Processor)
• Video RAM: Depending on the model. Up to128 MB integrated solution and
shared with main memory for Intel® 915GM/ 910GML Express External
64/128MB VGA DDR RAM for ATI MOBILITY™ RADEON®
X300/X600/X600SE GPU with HyperMemory
