Seagate ST300MM0026 Savvio 10K.4 SAS Product Manual - Page 32
Notify Spinup primitive.
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[2] For +12 V, a -10% tolerance is allowed during initial spindle start but must return to ±5% before reaching 9,936 RPM. The ±5% must be maintained after the drive signifies that its power-up sequence has been completed and that the drive is able to accept selection by the host initiator. [3] See +12V current profile in Figure 16. [4] See +12V current profile in Figure 17. [5] This condition occurs after OOB and Speed Negotiation completes but before the drive has received the Notify Spinup primitive. [6] See paragraph 6.3.1, "Conducted noise immunity." Specified voltage tolerance includes ripple, noise, and transient response. [7] Operating condition is defined as random 8 block reads. [8] During idle, the drive heads are relocated every 30 seconds to a random location within the band from three-quarters to maximum track. 24 Savvio 10K.4 SAS Product Manual, Rev. C