Read long command (3eh) (continued) – Quantum 10K II User Manual
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SCSI Description
5–152
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
READ LONG Command (3Eh) (continued)
Figure 5–70 shows the format of the data that is returned during the READ LONG
Command's data-in buffer transfer. The returned data always consists of 512 bytes of
data, followed by a two LBA bytes, two EDC bytes, and 46 ECC-related bytes.
Bit
Byte
7
6
5
4
3
2
1
0
0 -
511
Data (512 Bytes)
512 -
513
Logical Block Address Bits + Force Error Bit
514 -
515
EDC (8 Bits)
516 -
562
45 ECC Bits + 8 Pad Bits
Figure 5–70 READ LONG Command — Returned Data