Deskstar T7K250 Hard Disk Drive Specification
187
12.38 Service (A2h)
Table 116: Service command (A2h)
The Service command is used to provide data transfer or status or both of a command that was previously bus
released.
Output parameters to the device
D Selected device
Input parameters from the device
Input from the device as a result of a Service command are described in the command
description for the command for which Service is being requested.
Command Block Output Registers
Register 7 6 5 4 3 2 1 0
Data - - - - - - - -
Feature - - - - - - - -
Sector Count - - - - - - - -
Sector Number - - - - - - - -
Cylinder Low - - - - - - - -
Cylinder High - - - - - - - -
Device/Head 1 - 1 D - - - -
Command 1 1 1 1 0 0 0 0
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