... /adj./ [from military slang for an M-16 rifle with magazine inserted and prepared for firing] Said of a removable disk volume properly prepared for use — that is, locked into the drive and with the heads loaded. Ironically, because their heads are 'loaded' whenever the power is up, this description is never used of {{Winchester}} drives (which are named ... — The Jargon File, Version 4.0.0
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