
Barracuda 7200.9 PATA Product Manual, Rev. F
Table 13: DC power requirements (for 80GB and 40GB models)
*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.
2.8.1.1 Typical current profile
Figure 1 Typical 5V startup and operation current profile
Figure 2 Typical 12V startup and operation current profile
Power dissipation (watts) Avg (watts, 25° C) Avg 5V typ amps Avg 12V typ amps
Spinup — — 2.80 (peak)
Idle* 7.00 0.490 0.379
Idle* (with offline activity) 8.90 0.873 0.378
Operating (40% r/w, 40% seek, 20% inop.) 12.60 0.897 0.676
Seeking (random, 20% idle) 12.20 0.627 0.755
Standby 0.80 0.116 0.018
Sleep 0.80 0.116 0.018
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