Table 23. IDE connector pin assignments
Pin
Signal
15
Data bus bit 1
16
Data bus bit 14
17
Data bus bit 0
18
Data bus bit 15
19
Ground
20
Key (Reserved)
I/O
Pin
I/O
35
I/O
36
I/O
37
I/O
38
N/A
39
N/A
40
Signal
I/O
SA0
O
SA2
O
CS0#
O
CS1
O
Active#
I
Ground
N/A
Appendix A. Connector pin assignments
29