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5.10 Identify Device (ECh)
Table 29: Identify Device command (ECh)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
7
6
5
CRC UNC
0
0
0
0
The Identify Device command requests the device to transfer configuration information to the host. The device will
transfer a sector to the host containing the information in Table 30 beginning on page 61.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 0 1 1 0 0
Error Register
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Deskstar 7K500 Hard Disk Drive Serial ATA Addendum
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
0
7
6
BSY RDY DF DSC DRQ
0
0
V
60
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
Status Register
5
4
3
2
COR IDX
0
-
-
0
1
0
ERR
-
V
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