FUJITSU MHV2120AT - Manual (Page 185)

5.3 Host Commands
C141-E218 5-109
At command issuance (I/O registers setting contents)
1F7
H
(CM) 1 1 1 1 1 0 0 1
1F6
H
(DH) x x x DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
xx
xx
xx
1F2
H
(SC) xx
1F1
H
(FR) 04
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH)
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
xx
xx
xx
xx
xx
1F1
H
(ER) Error information