I'm reading the manual for the Shugart SA-1000, an 8-inch Winchester HDD from 1979. (I think the connector you get on later 5 1/4" drives is a cut down version of this)
> The drive will bring READY active as soon as the disk is rotating at 95% of normal speed. It is now safe to seek the drive but an additional 2 minutes should be allowed for thermal expansion to stabilize.
Man, we are spoiled these days.
> The drive will bring READY active as soon as the disk is rotating at 95% of normal speed. It is now safe to seek the drive but an additional 2 minutes should be allowed for thermal expansion to stabilize.
Man, we are spoiled these days.
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