1.2 System Unit Block Diagram 1 Hardware Overview
TECRA M3 Maintenance Manual (960-507) 1-9
The system unit is composed of the following major components:
? Processor
? Intel Dothan Processor: 1.6BGHz/1.73GHz/1.86GHz/2.0AGHz/2.13GHz
– Processor core speed: 1.6GHz/1.73GHz/1.86GHz/2.0GHz/2.13GHz
– Processor bus speed: 533MHz
– Integrated L1 cache memory: 32KB instruction cache and 32KB write-back data
cache
– Integrated L2 cache memory of 2MB
– Integrated NDP
– 478-pin Micro FC-PGA package
? Memory
Two memory slots are provided. Expansion up to 2GB (2,048MB) is available.
Memory
? DDR2-SDRAM
? DDR400 or DDR533 memory
? 1.8 volt operation
? FBGA
Memory Module
? 240 pin, SO Dual In-line Memory Module (SO-DIMM)
? PC3300 or PC4300
? 256MB/512MB/1GB(1,024MB)
– 256 MB: 256Mb?8
– 512 MB: 512Mb?8
– 1GB: 512Mb?16
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