Filter
Top Products
4 - 8 C156-E142-02EN
4.3.1.7 ATAPI Block Device Select register
This register's bits are defined as shown below.
Table 4.9 Bit definitions of ATAPI Block Device Select register
76543210
Unused Unused Unused Dev Unused LUN R/W
! 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.
Table 4.10 Bit definitions of Error register
76543210
Sense Key MCR
(0b)
ABRT EOM
(0b)
ILI
(0b)
Read
! 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.