Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
80
17.6.3
XFER_RDY Information Units
The XFER_RDY frame is sent by the drive to request write data (i.e. out bound data) from the initiator.
Table 48 XFER_RDY Information Units
Byte
Bit
7
6
5
4
3
2
1
0
0 - 3
Requested Offset
4 - 7
Write Data Length
8 - 11
Reserved
 Requested Offset contains the buffer offset of the segment of write data the Initiator may transmit to the drive
(using DATA frames). The requested offset shall be a multiple of four.
 Write Data Length contains the number of bytes of write data the Initiator may transmit to the drive (using DATA
frames) from the requested offset.
17.6.4
DATA Information Units
The DATA frame is sent by the drive to the Initiator (in bound data) or by the Initiator to the drive (out bound data).
Table 49 Data Information Unit
Byte
Bit
7 6 5 4 3 2 1 0