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Ch 7 stack 1
Burst EDO (BEDO)-FPM (Fast page memory)
Term | Definition |
---|---|
Burst EDO (BEDO) | A refined version of EDO memory that significantly improved access time over EDO. BEDO was not widely used because Intel chose not to support it. BEDO memory is stored on 168-pin DIMM modules. |
CAS Latency (CL) | A method of measuring access timing to memory, which is the number of clock cycles required to write or read a column of data off a memory module. |
C-RIMM (Continuity RIMM) | A placeholder RIMM module that provides continuity so that every RIMM slot is filled. |
DDR2 | A version or SDRAM that is faster than DDR and uses less power. |
DDR3 | A version or SDRAM that is faster than DDR2 memory and can use triple channels. |
Direct Rambus DRAM | A memory technology by rambus and intel that uses a narrow network-type system bus. |
Double Data Rate SDRAM | A type of memory technology used on DIMMs that runs at twice the speed of the system clock. |
DDR SDRAM | A type of memory technology used on DIMMs that runs at twice the speed of the system clock. |
double-sided | A DIMM feature whereby memory chips are installed on both sides of a DIMM. |
dual channels | A motherboard feature that improves memory performance by providing two 64-bit channels between memory and the chipset. |
dual ranked | double-sided DIMMs that provide two 64-bit banks. |
dynamic RAM (DRAM) | the most common type of system memory,it requires refreshing every few milliseconds. |
ECC (error-correcting code) | a chipset feature on a motherboard that checks the integrity or data stored on DIMMs or RIMMs and can correct single-bit erros in a byte. |
EDO (extended data out) | a bidirectional parallel port mode that uses a DMA channel to speed up data flow. |
FPM (fast page memory) | an outdated memory mode used before the introduction of EDO memory. FPM improved on earlier memory types. |