IDE Connectors
Table A-14 lists the pin assignments for riser board IDE connectors. The signals in
parentheses are for the secondary connector.
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
Table A-14 IDE Interface Pin Assignments
Signal Name
Reset IDE
Host Data 7
Host Data 6
Host Data 5
Host Data 4
Host Data 3
Host Data 2
Host Data 1
Host Data 0
Ground
DRQ0 (DRQ1)
I/O Write –
I/O Read –
IOCHRDY
DDACK0 (DDACK1)
IRQ14 (1RQ15)
Addr 1
Addr 0
Chip Select 0 –
Activity –
Connector Pin Assignments
Pin
Signal Name
2
Ground
4
Host Data 8
6
Host Data 9
8
Host Data 10
10
Host Data 11
12
Host Data 12
14
Host Data 13
16
Host Data 14
18
Host Data 15
20
Key
22
Ground
24
Ground
26
Ground
28
IDE_CSEL
30
Ground
32
No Connection
34
No Connection
36
Addr 2
38
Chip Select 3P (3S)
40
Ground
A-13