2-25
Chapter 2: Installation
Enhanced IDE Configurations
There are no jumpers to configure the on-board enhanced IDE in-
terfaces. J21 is the primary IDE connector and J20 is the second-
ary IDE connector. Refer to Table 2-36 for the pin definitions.
Table 2-36. IDE Connectors Pin Definitions
Pin
Pin
Number Function
Number Function
1
Reset IDE
2
GND
3
Host Data 7
4
Host Data 8
5
Host Data 6
6
Host Data 9
7
Host Data 5
8
Host Data 10
9
Host Data 4
10
Host Data 11
11
Host Data 3
12
Host Data 12
13
Host Data 2
14
Host Data 13
15
Host Data 1
16
Host Data 14
17
Host Data 0
18
Host Data 15
19
GND
20
K e y
21
DRQ
22
GND
23
I/O Write-
24
GND
25
I/O Read-
26
GND
27
IOCHRDY
28
BALE
29
DACK-
30
GND
31
IRQ
32
IOCS16-
33
Addr 1
34
GND
35
Addr 0
36
Addr 2
37
Chip Select 0
38
Chip Select 1-
39
Activity
40
GND
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