Interface
5-32 C141-E057-01EN
At command issuance (I/O registers setting contents)
1F7H
(CM)
11101100
1F6H
(DH)
×××DV
xx
1F5H
(CH)
1F4H
(CL)
1F3H
(SN)
1F2H
(SC)
1F1H
(FR)
xx
xx
xx
xx
xx
At command completion (I/O registers contents to be read)
1F7H
(ST)
Status information
1F6H
(DH)
×××DV
xx
1F5H
(CH)
1F4H
(CL)
1F3H
(SN)
1F2H
(SC)
1F1H
(ER)
xx
xx
xx
xx
Error information
Table 5.4 Information to be read by IDENTIFY DEVICE command (1 of 7)
Word Value
Description
0X’045A’
General Configuration *1
1 *2
Number of cylinders *2
2X’0000’
Reserved
3 *2
Number of Heads *2
4-5
X’0000’
Undefined
6 *2
Number of sectors per track *2
7-9
X’0000’
Undefined
10-19
Set by a device
Serial number (ASCII code, 20 characters, right)
20-21
X’0000’
Undefined
22 X’0004’
Number of ECC bytes transferred at READ LONG or
WRITE LONG command