Hardware Configuration
PEB-4700 User’s Manual
2-12
CN20 : Secondary 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
1
22 Ground
23 Host
IOW
24 Ground
25 Host
IOR
26 Ground
27 IOCHRDY
28 Host
ALE
29 DACK
1
30 Ground
31 IRQ
15
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
CN21 : System Panel Indicate Connector
Pin No.
Signal Description
Pin No.
Signal Description
SPEAKER
PWR LED
1 +5V
2 +5V
3 NC
4 NC
5 BZ
6 Ground
7 SPKR
KEYLOCK
HDD LED
8 KBLOCK
9 HDLED+
10 Ground
11 HDLED-
12 NC
RESET
PWR ON
13 RESET+
14 PWRBT+
15 RESET-
16 PWRBT-
1
2
40
39
15
16
1
2
