
136 The Essential Guide to Serial ATA and SATA Express
Error outputs
The device will return command aborted if the device does not implement this command; otherwise,
the device will not report an error.
Prerequisites
This command will be accepted, regardless of the state of DRDY.
Description
The IDENTIFY PACKET DEVICE command enables the host to receive parameter information from
a device that implements the PACKET Command feature set.
Some devices may have to read the media in order to complete this command.
When the command is issued, the device sets the BSY bit to one, prepares to transfer the 256 words
of device identification data to the host ...