Intel NuPRO-850 User Manual
Page 26
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20
• Jumpers and Connectors
2.2.13 Primary/Secondary IDE Connector (CN7, CN4)
CN7: Primary IDE
CN4: Secondary IDE
Signal Name
Pin #
Pin #
Signal Name
Reset IDE
1
2
Ground
Host data 7
3
4
Host data 8
Host data 6
5
6
Host data 9
Host data 5
7
8
Host data 10
Host data 4
9
10
Host data 11
Host data 3
11
12
Host data 12
Host data 2
13
14
Host data 13
Host data 1
15
16
Host data 14
Host data 0
17
18
Host data 15
Ground 19
20 No
connect
DRQ0 / DRQ1
21
22
Ground
Host IOW
23
24
Ground
Host IOR
25
26
Ground
IOCHRDY 27
28 Host
ALE
DACK0 / DACK1
29
30
Ground
IRQ14 / IRQ 15
31 32
No
connect
Address 1
33
34
No connect
Address 0
35
36
Address 2
Chip select 0
37
38
Chip select 1
Activity 39
40 Ground
Table 14: IDE Connector Pin Definition
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