CPU -- Memory -- Disks
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| CompactFlash |
130x == xxMB/sec
100x == 15MB/sec
80x == 10MB/sec
60x == xMB/sec
50x == xMB/sec
45x == xMB/sec
40x == 6MB/sec
32x == xMB/sec
20x == xMB/sec
13x == xMB/sec
10x == xMB/sec
8x == xMB/sec
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| Memory Specs |
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| Memory Tests |
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| SDRAM ( 3.3v - 64bit bus ) = 168-pins |
- SDRAM
( Synchronous DRAM ) - 168pin
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FSB
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64bit Bandwidth
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66Mhz
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528MB/sec
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100Mhz
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800MB/sec
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133Mhz
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1064MB/sec
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| DDR ( 2.5v - 64bit bus ) = 184-pins |
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- DDR
( Double Data Rate SDRAM )
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FSB x2
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64bit Bandwidth ( FSB x2 x8 )
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100Mhz x2
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1.6GB/sec
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133Mhz x2 ( FSB-266 )
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2.1GB/sec
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150Mhz x2
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2.4GB/sec
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overclooked PC2100
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166Mhz x2 ( FSB-333 )
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2.7GB/sec
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183Mhz x2
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3.0GB/sec
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200Mhz x2 ( FSB-400 )
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3.2GB/sec
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266Mhz x2 ( FSB-533 )
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4.3GB/sec
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333Mhz x2 ( FSB-666 )
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5.4GB/sec
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400Mhz x2 ( FSB-800 )
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6.4GB/sec
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PC8500 ( DDR3-1066 == DDR 3 )
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533hz x2 ( FSB-1066 )
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x.yGB/sec
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10666 ( DDR3-1333 == DDR 3 )
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667Mhz x2 ( FSB-1333 )
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x.yGB/sec
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| DDR2 Memory = 240 pins |
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DDR-2 ( Double Data Rate SDRAM )
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PC2-3200 ( ddr2-400 )
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FSB-400
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PC2-4200 ( ddr2-533 )
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FSB-533
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PC2-5300 ( ddr2-667 )
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FSB-667
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PC2-6400 ( ddr2-800 )
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FSB-800
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PC2-8000 ( ddr2-1000 )
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FSB-1000
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| RamBus Memory |
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| AGP Memory |
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- AGP Data Transfer Rate ( 32bit buss )
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AGP-8x
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3.0
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66Mhz
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0.8v
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2048MB/sec ( 66Mhz * 4bytes * 8 )
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AGP-4x
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2.0
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66Mhz
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0.8v
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1024MB/sec ( 66Mhz * 4bytes * 4 )
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AGP-2x
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1.0
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66Mhz
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3.3v
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512MB/sec ( 66Mhz * 4bytes * 2 )
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AGP
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1.0
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66Mhz
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3.3v
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266MB/sec ( 66Mhz * 4bytes )
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| Memory Manufacturers |
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| i/O Memory Space |
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| Memory Space |
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- Shadow Memory
( 16K or 32K blocks )
A0000 - BFFFF - for video memory
C0000 - C7FFF - 32K block for the VGA BIOS ROM
C8000 - CBFFF - 16K block for IDE hard disk BIOS
CC000 - CFFFF
D0000 - D3FFF
D4000 - D7FFF
D8000 - DBFFF
DC000 - DFFFF
F0000 - FFFFF - 64K block system BIOS ROM
- 15M - 16M memory hole
- "Video ROM BIOS Shadow" function should always be enabled
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| Memory Timing Diagram |
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