Figure 2

0     Attempt to write to a write-protected disk
1     Unknown unit
2     Drive not ready
3     Unknown command
4     Cyclic-redundancy-check (CRC) error in data
5     Bad drive-request structure length
6     Seek error
7     Unknown media type
8     Sector not found
9     Printer out of paper
A     Write fault
B     Read fault
C     General failure