Hardware Configuration
PEB-4700 User’s Manual
2-13
CN22 : 20-pins ATX Power Connector
Pin No.
Signal Description
Pin No.
Signal Description
1 +3.3V
11 +3.3V
2 +3.3V
12 -12V
3 Ground
13 Ground
4 +5V
14 PS-ON
5 Ground
15 Ground
6 +5V
16 Ground
7 Ground
17 Ground
8 NC
18 -5V
9 5VSB
19 +5V
10 +12V
20 +5V
CN23 : Primary IDE Connector (40-pins 2.54mm pitch pin-header with housing)
Pin No.
Signal Description
Pin No.
Signal Description
1 Reset
IDE
2 Ground
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 Ground
20 ---
21 DRQ
0
22 Ground
23 Host
IOW
24 Ground
25 Host
IOR
26 Ground
27 IOCHRDY
28 Host
ALE
29 DACK
0
30 Ground
31 IRQ
14
32 NC
33 Address
1
34 Ground
35
Address 0
36
Address 2
37
Chip Select 0
38
Chip Select 1
39 Activity
40 Ground
1
10
20
11
1
2
40
39
