4.3.1.7 Atapi Block Device Select Register; 4.3.1.8 Error Register; Bit Definitions Of Atapi Block Device Select Register; Bit Definitions Of Error Register - Fujitsu MCE3064AP Product Manual

4.3.1.7 ATAPI Block Device Select register

This register's bits are defined as shown below.
Table 4.9
7 6
Unused Unused
!
Bits 7, 6, 5, and 3 are not used. The ODD ignores all value sets in these bits.
!
Dev indicates the device address. When Dev is 0, device 0 is selected and when Dev is 1,
device 1 is selected.
!
LUN (Logical Unit Number) is not supported. The ODD ignores all values in these bits.

4.3.1.8 Error register

This register indicates the status of the final command.
The value of this register is effective when the ERR bit of the Status register is 1 at completion of a
command other than EXECUTE DEVICE DIAGNOSTIC.
The value of this register indicates the diagnostic code at power-on, reset, and execution of the
EXECUTE DEVICE DIAGNOSTIC command. For details on diagnostic codes, see Section 4.5.5.
7 6
Sense Key
!
For the Sense Key, see Table 4.96.
!
MCR (Media Change Requested) is not used. It is always 0.
!
ABRT (Aborted Command) indicates that the value of the ATA command code or task file
register is incorrect.
!
EOM (End of Media) is not used. It is always 0.
!
ILI (Illegal Length Indication) is not used. It is always 0.
4 - 8

Bit definitions of ATAPI Block Device Select register

5 4
Unused Dev Unused
Table 4.10 Bit definitions of Error register
5 4
MCR
C156-E142-02EN
3 2
LUN
3 2
ABRT EOM
(0b) (0b)
1 0
R/W
1 0
ILI Read
(0b)