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