User Manual

SCSI Commands Reference Manual, Rev. J 504
www.seagate.com Parameters for direct access devices
5.4.16 Power Consumption Vital Product Data page (8Dh)
The Power Consumption VPD page (see table 476) provides an application client with a list of the available settings to limit the maximum
power consumption of the logical unit while in the active power condition (see SPC-5).
PERIPHERAL QUALIFIER and PERIPHERAL DEVICE TYPE fields
The PERIPHERAL QUALIFIER field and the PERIPHERAL DEVICE TYPE field are defined in standard INQUIRY data (see 3.6.2).
Table 476 Power Consumption VPD page
Bit
Byte
7 6 5 4 3 2 1 0
0 PERIPHERAL QUALIFIER PERIPHERAL DEVICE TYPE
1 PAGE CODE (8Dh)
2 (MSB)
PAGE LENGTH (n-3)
3 (LSB)
Power consumption descriptor list
4
Power consumption descriptor [first]. . .
7
. . . . . .
n-3
Power consumption descriptor [last]. . .
n