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Everything about Enhanced Small Disk Interface

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Enhanced Small Disk Interface (ESDI) is a hard disk drive interface designed by Maxtor Corporation in 1983 to be a follow-on to the ST-412/506 interface. ESDI improved on ST-506 by moving certain parts that were traditionally kept on the controller into the drives themselves, and also generalizing the control bus such that more kinds of devices could be connected. ESDI uses the same cabling as ST-506, and thus could easily be retrofitted to ST-506 applications. Wikipedia →

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