Aaeon PCM-4335 Manual page 23

Pin assignments
The following table lists the pin numbers and their respective
signals:
IDE hard drive connector (CN4)
IDE hard drive connector
Pin Signal
1 IDE 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 SIGNAL GND
21 N/C
23 IO WRITE
25 IO READ
27 IO CHANNEL READY
29 N/C
31 IRQ14
33 ADDR 1
35 ADDR 0
37
HARD DISK SELECT 0
39 IDE ACTIVE
41 VCC
43 GND
(CN4)
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
Signal
GND
DATA 8
DATA 9
DATA 10
DATA 11
DATA 12
DATA 13
DATA 14
DATA 15
N/C
GND
GND
GND
ALE
GND
IOCS16
N/C
ADDR 2
HARD DISK SELECT 1
MGND
MVCC
N/C
Chapter 2 Installation 15