Ecc - Hitachi Travelstar 5K320 HTS543232L9A300 Manual

5K320 SATA OEM Specification
5.8

ECC

The 10 bit symbol non interleaved ECC processor provides user data verification and correction
capability. The first 6 symbol of ECC are 4 check symbols for user data and the 2 symbol system ECC.
The other 34 symbols are Read Solomon ECC. Hardware logic corrects up to 16 symbols(20 bytes)
errors on-the-fly.
2 symbol System ECC is generated when HDC receives user data from HOST, and can correct up to 1
symbol(10bit) errors on-the-fly when one transfers to HOST.
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