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ECC memory |
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ECC memory (Error-Correcting Code memory) A memory system that tests for and corrects errors automatically, very often without the operating system being aware of it, let alone the user. As data are written into memory, ECC circuitry generates checksums from the binary sequences in the bytes and stores them in an additional seven bits of memory for 32-bit data paths or eight bits for 64-bit paths. When data are retrieved from memory, the checksum is recomputed to determine if any of the data bits have been corrupted. Such systems can typically detect and automatically correct errors of one bit per word and can detect, but not correct, errors greater than one bit. See EOS memory, chipkill, checksum and parity checking.
Memory Type Detects Corrects
Non-parity 0 0
Parity 1 bit 0
ECC 1 or 2 bits 1 bit
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No references found | 0GHz PowerPC G5 processor with 512MB of PC3200 ECC RAM, a single 80GB Apple Drive Module with expandability for up to 750GB, dual Gigabit Ethernet on-board, FireWire 800 and USB 2. 0 GHz PowerPC G5 processor with 512MB of PC3200 ECC RAM, a single 80GB Apple Drive Module with expandability for up to 750GB, dual Gigabit Ethernet on-board, FireWire(R) 800 and USB 2. 0 GHz PowerPC G5 processor with 512MB of PC3200 ECC RAM, a single 80GB Apple Drive Module with expandability for up to 750GB, dual Gigabit Ethernet on-board, FireWire 800 and USB 2. |
ECC RAM |
ECBN ECBO ECBOE Ecbole Ecbolic Ecbolic Ecbolic ecbolics ecbolics Ecboline ECBOS ECBP ECBR ECBRC ECBRS ECBS ECBS-WHO ECBT ECBTA ECBTG ECBU ECBW ECC ECC ECC ECC ECC DIMM RAM ECC DIMM RAM ECC memory ECC on SIMM ECC RAM ECC-DECC-MTB ECC-SDCO AA Ecc. Ecc. Ecc. ECC1 Ecca ECCAA ECCAB ECCAD ECCAI ECCAIRS ECCAK Eccaleobion ECCAO Eccard, Johann Eccarius, Johann Georg ECCAS ECCAS ECCAS ECCAT ECCATHI Eccb Eccb ECCBA ECCBR ECCC ECCCA | |||||||
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