IBM DARA-206000 Hard Drive Specifications - Page 83
General Operation Descriptions
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10.0 General Operation Descriptions 10.1 Reset Response There are three types of reset in ATA as follows: Power On Reset (POR) The device executes a series of electrical circuitry diagnostics, spins up the HDA, tests speed and other mechanical parametric, and sets default values. Hard Reset (Hardware Reset) RESET- signal is negated in ATA Bus. The device executes a series of electrical circuitry diagnostics, spins up the HDA, tests speed and other mechanical parametric, and sets default values. Soft Reset (Software Reset) SRST bit in the Device Control Register is set, then is reset. The device resets the interface circuitry according to the Set Features requirement. The actions of each reset is shown in Figure 57 on page 74. Copyright IBM Corp. 1999 73