
Appendix A. Connector Pin Assignments
IDE Connectors
1
2
40
39
Note: The IDE connectors are on the riser card.
Figure 30 (Page 3 of 3). PCI Connector Pin Assignments
Pin
Signal
I/O
Pin
Signal
I/O
A45
Address/Data 14
I/O
B45
Address/Data 14
I/O
A46
Ground
NA
B46
Ground
NA
A47
Address/Data 12
I/O
B47
Address/Data 12
I/O
A48
Address/Data 10
I/O
B48
Address/Data 10
I/O
A49
Ground
NA
B49
Ground
NA
A50
Key
NA
B50
Key
NA
A51
Key
NA
B51
Key
NA
A52
Address/Data 8
I/O
B52
Address/Data 8
I/O
A53
Address/Data 7
I/O
B53
Address/Data 7
I/O
A54
+
3.3 V dc
NA
B54
+
3.3 V dc
NA
A55
Address/Data 5
I/O
B55
Address/Data 5
I/O
A56
Address/Data 3
I/O
B56
Address/Data 3
I/O
A57
Ground
NA
B57
Ground
NA
A58
Address/Data 1
I/O
B58
Address/Data 1
I/O
A59
+
5 V dc (I/O)
NA
B59
+
5 V dc (I/O)
NA
A60
ACK64#
I/O
B60
ACK64#
I/O
A61
+
5 V dc
NA
B61
+
5 V dc
NA
A62
+
5 V dc
NA
B62
+
5 V dc
NA
Figure 31 (Page 1 of 2). IDE Connector Pin Assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
NC
O
21
NC
NA
2
Ground
NA
22
Ground
NA
3
Data bus bit 7
I/O
23
I/O write
O
4
Data bus bit 8
I/O
24
Ground
NA
5
Data bus bit 6
I/O
25
I/O read
O
6
Data bus bit 9
I/O
26
Ground
NA
7
Data bus bit 5
I/O
27
I/O channel ready
I
8
Data bus bit 10
I/O
28
ALE
O
9
Data bus bit 4
I/O
29
NC
NA
10
Data bus bit 11
I/O
30
Ground
NA
11
Data bus bit 3
I/O
31
IRQ
I
12
Data bus bit 12
I/O
32
CS16#
I
13
Data bus bit 2
I/O
33
SA1
O
Appendix A. Connector Pin Assignments
55