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Connector Pin Assignments
3
3-4
Table 3-8. COM2 Serial Port Connector (CN7)
Pin #
Function
1
Data Carrier Detect
3
Receive Data
5
Transmit Data
7
Data Terminal Ready
9
Ground
Table 3-9. Secondary/Primary IDE Connector (CN8/CN10)
Pin #
Function
1
Reset
3
Data 7
5
Data 6
7
Data 5
9
Data 4
11
Data 3
13
Data 2
15
Data 1
17
Data 0
19
Ground
21
Request
23
I/O Write
25
I/O Read
27
I/O Ready
29
DMA Acknowledge
31
Interrupt Request
Function
Data Set Ready
Request to Send
Clear to Send
Ring Indicate
Function
Ground
Data 8
Data 9
Data 10
Data 11
Data 12
Data 13
Data 14
Data 15
NC
Ground
Ground
Ground
Cable Select
Ground
NC
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Pin #
2
4
6
8
10
Pin #
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
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