FUJITSU MCJ3230AP - Manual (Page 81)

4.3 Interface Register
C156-E205-01EN 4-9
4.3.1.7 ATAPI Block Device Select register
This register's bits are defined as shown below.
Table 4.8 Bit definitions of ATAPI Block Device Select register
7 6 5 4 3 2 1 0
Unused Unused Unused Dev Unused Unused R/W
! Bits 7, 6, 5, 3, 2, 1, and 0 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.
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 4.5.3.
Table 4.9 Bit definitions of Error register
7 6 5 4 3 2 1 0
Sense Key MCR ABRT EOM ILI Read
! For the Sense Key, see Table 4.102.
! 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.