Ecc - Hitachi Travelstar 2.5 inch SATA HTS722020K9A300 Oem Specification

7K200 SATA OEM Specification
5.8

ECC

The 10 bit 40 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.
25/ 173