Maxtor 10K V - Manual (Page 212)

5-154 Maxtor Atlas 10K V
Table 5-216
WRITE SAME Command Descriptor Block-Data Format
Table 5-217 WRITE SAME Field Description
5.50 WRITE SKIP MASK Command (EAh)
The WRTIE SKIP MASK command allows the initiator to condition the function of
the WRITE commands to allow only selected data to be transferred over the SCSI
interface. A WRITE SKIP MASK command precedes a WRITE (10) command; the
WRITE (10) command must be linked to the WRITE SKIP MASK command or the
skip mask is lost and a CHECK CONDITION status is returned.
Table 5-218 WRITE SKIP MASK Command (EAh)
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (41h)
1 Reserved PBdata LBdta RelAdr
2-5 Logical Block Address
6 Reserved
7-8 Number of Blocks
9 Control
Field Description
PBdata
Physical Block Data - Not supported. This feild must be
zero.
LBdata
Logical Block Data - A value of 1 requests that the drive
replace the first four bytes of the data to be written to the
current logical sector with the logical sector address of the
sector currently being written.
RelAdr
Relative Address. - Not supported. This feild must be
zero
Logical Block Address
The address of the first logical sector where the Write op-
eration will occur.
Number of Blocks
This feild contains the number of contiguous logical
blocks that are to be written. A value of 0 requests that all
the remaining logical blocks on the medium are to be
written.
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (EAh)
1 Reserved
2 - 5 (MSB)
Logical Block Address
(LSB)
6 Skip Mask Length
7 - 8 (MSB)
Transfer Length
(LSB)
9 VU Reserved Flag Link