Service (A2H); Figure 130. Service Command (A2H) - IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Specifications

11.28 Service (A2h)

Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command

Figure 130. Service Command (A2h)

The Service command is used to provide data transfer and/or status of a command that was previously
bus released.
Output parameters to the device
D
Input parameters from the device
7 6 5 4 3 2 1 0
- - - - - - - -
0 0 0 0 0 0 0 1
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 0 0 0
Selected 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.
Deskstar 120GXP hard disk drive specifications
152