Table 115
+=====-========-========-========-========-========-========-========-========+
| Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|Byte | | | | | | | | |
|=====+=======================================================================|
| 0 | (MSB) |
|- - -+--- Cylinder number of defect ---|
| 2 | (LSB) |
|-----+-----------------------------------------------------------------------|
| 3 | Head number of defect |
|-----+-----------------------------------------------------------------------|
| 4 | (MSB) |
|- - -+--- Defective sector number ---|
| 7 | (LSB) |
+=============================================================================+