DiamondMax 21 PATA Product Manual, Rev. A 15
• 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 mode.
Table 5: DC power requirements
*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.
Power dissipation (4-Disc values shown)
Average
(watts, 25° C)
Average
5V typ amps
Average
12V typ amps
Spinup — — 2.80 (peak)
Idle* 9.30 0.611 0.520
Idle with offline activity 10.40 0.719 0.567
Operating (40% r/w, 40% seek, 20% inop.) 13.00 0.772 0.762
Seeking (random, 20% idle) 12.60 0.613 0.795
Standby 0.80 0.106 0.023
Sleep 0.80 0.106 0.023
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