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5-32 C141-E042-01EN
At command issuance (I/O registers setting contents)
1F7
H
(CM) 11101100
1F6
H
(DH)
×××
DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(FR)
xx
xx
xx
xx
xx
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH)
×××
DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
xx
xx
xx
xx
Error information
Table 5.4 Information to be read by IDENTIFY DEVICE command (1 of 3)
Word Value Description
0 X’0c5a’ General Configuration *1
1 X’1068’
X’189C’
Number of cylinders MHA2021AT: X’1068’
MHA2032AT: X’189C’
2 X’0000’ Reserved
3 X’0010’ Number of Heads
4 X’0000’ Undefined
5 X’0000’ Undefined
6 X’003F’ Number of sectors per track
7-9 X’000000000000’ Undefined
10-19 Set by a device Serial number (ASCII code) *2
20 X’0000’ Undefined