24
IDE1/IDE2 :
these two connectors are used to
connect IDE devices through IDE cables,
a total of 4 devices can be connected.
pin
signal
Pin
Signal
1 Reset
IDE
21 DDRQ0(1)
2 GND
22 GND
3
Host Data 7
23
I/O Write-
4
Host Data 8
24
GND
5
Host Data 6
25
I/O Read-
6
Host Data 9
26
GND
7
Host Data 5
27
IORDY
8
Host Data 10
28
N/C
9
Host Data 4
29
DDAK0- (1-)
10
Host Data 11
30
GND
11
Host Data 3
31
IRQ14*
12
Host Data 12
32
IOCS16-
13
Host Data 2
33
Addr 1
14
Host Data 13
34
N/C
15
Host Data 1
35
Addr 0
16
Host Data 14
36
Addr 2
17
Host Data 0
37
ChipSele.1P-
18
Host Data 15
38
ChipSele.3P-
19 GND
39 Activity
20 Key
40 GND
* IDE1 : pin31 is IRQ14;
IDE2 : pin31 is IRQ15 or MIRQ0
40 39
4 3
2 1
Slot 1
