Host Interface
4.6.17 SEND DIAGNOSTIC command
Bit
7
Byte
0
1
Logical Unit Number
2
3-4
5-11
The SEND DIAGNOSTIC command instructs diagnostic operation from the host.
When the Self-Test bit is 1, the command executes diagnostics on the data buffer.
If an error occurs, the device responds with Check Condition.
Parameter List Length specifies the data length of diagnostic parameters to be
transferred.
The functions and specifications of diagnostic parameters are not open.
4.6.18 SEEK command
Bit
7
Byte
0
1
Logical Unit Number
2-5
6-11
The SEEK command positions the head on the track at the specified logical block
address.
Logical Block Address specifies the logical block address at which the head is
positioned.
4-76
Table 4.105 SEND DIAGNOSTIC command
6
5
Operation Code (1Dh)
Parameter List Length
Table 4.106 SEEK command
6
5
Operation Code (2Bh)
Logical Block Address
4
3
2
SelfTest
Reserved
Reserved
Reserved
4
3
2
Reserved
Reserved
1
0
Reserved
Reserved
1
0
C156-E227-01EN