Seagate ST9100828SB Manual de usuario descargar pdf (Pagina 14)

Momentus 5400.3 SATA Blade Server Product Manual, Rev. E

• Idle mode power

Idle mode power is measured with the drive up to speed, with servo electronics active and with the heads in

a random track location.

• Standby mode

During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/

write electronics are in power-down model

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and

power to operational levels.

Figure 1. Typical +5V startup and operation current profile

Table 3: DC power

Power dissipation +5V input average (25° C)

Spinup 1.0 A

Seek 2.0 watts

Read 1.9 watts

Write 1.8 watts

Idle, performance mode* 1.4 watts

Idle, active* 0.75 watts

Idle, low power mode* 0.6 watts

Standby 0.2 watts

Sleep 0.2 watts

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Seagate ST9100828SB Manual de usuario Pagina 14