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doc:appunti:hardware:ram_specification [2006/11/04 15:16] – external edit 127.0.0.1doc:appunti:hardware:ram_specification [2010/05/17 15:28] (current) – niccolo
Line 38: Line 38:
   * 333 MHz = DDR2-667 = PC2-5300 (64 bit * 2 * 333 MHz = 5328 MB/s)   * 333 MHz = DDR2-667 = PC2-5300 (64 bit * 2 * 333 MHz = 5328 MB/s)
   * 400 MHz = DDR2-800 = PC2-6400 (64 bit * 2 * 400 MHz = 6400 MB/s)   * 400 MHz = DDR2-800 = PC2-6400 (64 bit * 2 * 400 MHz = 6400 MB/s)
 +
 +===== DDR3 SDRAM =====
 +
 +{{ddr3.jpg?150}}
 +
 +As DDR2, the DDR3 are double data rate memories (so the 2X multiplier), the bus clock multiplier instead is 4X, so a 100 MHz memory is accounted for 400 MHz transfer rate.
 +
 +  * 100 MHz = DDR3-400 = PC3-6400 (64 bit * 2 * 400 MHz = 6400 MB/s)
 +
doc/appunti/hardware/ram_specification.1162649790.txt.gz · Last modified: 2010/05/17 15:28 (external edit)