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RNCH7

CHAPTER 7

TermDefinition
SO-DIMM (small outline DIMM) a smaller version version of DIMM for laptops
RIMM an older version of DIMM
SIMM (sinlge inline memory module) has a different width of the data path that each type of module accommodates and the way the data moves from the system bus to the module
synchronous DRAM (SDRAM) the first DIMM to run synchronized with the system clock
Double Data Rate SDRAM (DDR SDRA< or SDRAM II or DDR) an improved version of SDRAM, it runs twice as fast as regular SDRAM
single-sided memory chips installed on one side of a module
double-sided memory chips installed on both sides of the module
memory bank the memory a processor addressees at one time and is 64 bits wide
dual ranked double sided DIMMs that provide two 64 bit memory banks
single ranked DIMMs that provide one 64 bit memory bank
single channel the memory controller can access one DIMM at a time
dual channel the memory controller can access two DIMM at a time
triple channels the memory controller can access three DIMM at a time
ECC (error correcting code) ECC can detect an error but not prevent it
parity older SIMMs used parity as their error checking system
Created by: rnovalski62