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Question | Answer |
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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 |
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. CAS stand for Column Access Strobe |
C-RIMM (Continuity RIMM) | a placeholder RIMM module that provides continuity so that every RIMM slot is filled. |
DDR2 | A version of SDRAM that is faster then DDR and uses less power. |
DDR3 | A version of SDRAM that is faster then DDR2 memory and that 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. Also called DDR SDRAM, SDRAM II and DDR |
DDR SDRAM | A type of memory technology used on DIMMs that runs at twice the speed of the system clock. Also called DDR SDRAM, SDRAM II and DDR |
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. DDR, DDR2 and DDR3 DIMMs can use dual channels. |
dual ranked | double-sided DIMMs that provide two 64-bit banks. Dual ranked DIMMs do not perform as well as single-ranked DIMMs. |
dynamic RAM (DRAM) | DRAM is 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 of data stored on DIMMs or RIMMs and can correct single-bit errors in a byte. More advanced ECC schemas can detect, but not correct, double bit errors in a byte. |
EDO (extended data out) | a type of outdated RAM that was faster then conventional RAM because it eliminated the delay before it issued the next memory address. |
FPM (fast page memory) | an outdated memory mode used before the introduction of EDO memory. FPM improved earlier memory types by sending the row address just once for many accesses to memory near that row. |