General Operation Descriptions; Reset Response - IBM DBCA-204860 - Travelstar 4.8 GB Hard Drive Specifications

10.0 General Operation Descriptions

10.1 Reset Response

There are three types of reset in ATA as follows:
Power On Reset (POR)
Hard Reset (Hardware Reset)
Soft Reset (Software Reset)
The actions of each reset is shown in Figure 45 on page 66.
Copyright IBM Corp. 1998
The device executes a series of electrical circuitry diagnostics, spins up the
HDA, tests speed and other mechanical parametric, and sets default
values.
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.
SRST bit in the Device Control Register is set, then is reset.
The device resets the interface circuitry according to the Set Features
requirement.
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