ATA COMMAND BLOCK AND SET DESCRIPTION SSD-HXXX(I)-3500 DATA SHEET
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3500H-03DSR PAGE 33 FEBRUARY 2, 2009
Identify Drive — ECh
Issued by the host, the Identify Drive command provides 256 bytes of drive
attribute data (i.e., sector size, count, and so on) The identify drive data
structure is detailed in the following table.
Table 35: Identify Drive — ECh
Register
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Feature X
Sector Count X
Sector Number X
Cylinder Low X
Cylinder High X
Drive Head X X X Drive X
Command ECh