Fujitsu MAB3045 Product Manual page 44

(6) BCRC
It is a 2-byte error detection code. Errors in the ID field. Single burst errors with lengths of up
to 16 bits for each logical block can be detected.
(7) ECC
24-byte data error detection/correction code for the data field. It is possible to on-the-fly
correct the single burst errors with lengths of up to 89 bits.
(8) PAD 1
A specified length of x'00' pattern shown in Figure 3.6 is written in this field. This field
includes the variation by rotation and circuit delay till reading/writing.
(9) PAD 2/PAD 3
A specified length of x'00' pattern shown in Figure 3.6 is written in this field. This field
contains the processing time necessary to process next sector continuously. This field have
rotational speed variation.
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