In a system with two hard drives (one on each connector), can a seek request be sent to one drive and before this request completes, a second seek request be sent to the other drive?
If the drives are operating in PIO mode, the IDE controller must wait for the requested data to complete its transfer before accessing another drive. In bus master mode, after an acknowledge signal is received from the original device, the IDE controller can access another device on another connector while the first device is still accessing data.
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