User Manual

SCSI Commands Reference Manual, Rev. J 426

www.seagate.com Parameters for direct access devices

5.3.21 Power Consumption Mode page (1Ah/01h)

The Power Consumption mode page (see table 402) provides a method to set the power consumption level while in the active

power condition (see

SPC-5) to:

a) a relative power consumption level (see SPC-5); or

b) a maximum power consumption level (see SPC-5) that is based on the contents of the power consumption descriptors in the Power

Consumption VPD page (see 5.4.16)).

The mode page policy (see 5.4.14) for this mode page shall be shared.

PS bit, SPF bit, PAGE CODE field, SUBPAGE CODE field and PAGE LENGTH field

The PS bit, SPF bit, PAGE CODE field, SUBPAGE CODE field and PAGE LENGTH field are described in 5.2.2 and shall be set as shown in table 402

for the Power Consumption mode page.

Table 402 Power Consumption mode page

Bit

Byte

7 6 5 4 3 2 1 0

0 PS SPF (1b) PAGE CODE (1Ah)

1 SUBPAGE CODE (01h)

2 (MSB)

PAGE LENGTH (000Ch)

3 (LSB)

Reserved

6 Reserved ACTIVE LEVEL

7 POWER CONSUMPTION IDENTIFIER

Reserved. . .