Hercules III User Manual Rev A.2
www.diamondsystems.com
Page
20
6.4
Utility (J7)
A 20-pin connector provides access to the standard button/LED connections. Cable C-20-18 is used to connect
to J7.
Ground
1
2
Reset Key
Ground
3
4
Power Button
Network : Activity LED
5
6
+3.3V Standby
Network : Link LED
7
8
+3.3V Standby
+5V In
9
10
SATA LED
Power LED
11
12
External Battery
Watch Dog Timer - Input
13
14
Ground
SPEAKER
15
16
Watch Dog Timer - Output
+5V In
17
18
N/C
N/C
19
20
Ground
Connector type:
Shrouded
.1” dual row straight pin header with gold flash plating
6.5
Digital I/O (J8)
Hercules III includes a 50-pin header, J8, for all digital I/O.
DIO A0
1
2
DIO A1
DIO A2
3
4
DIO A3
DIO A4
5
6
DIO A5
DIO A6
7
8
DIO A7
DIO B0
9
10
DIO B1
DIO B2
11
12
DIO B3
DIO B4
13
14
DIO B5
DIO B6
15
16
DIO B7
DIO C0
17
18
DIO C1
DIO C2
19
20
DIO C3
DIO C4
21
22
DIO C5
DIO C6
23
24
DIO C7
DIO D0
25
26
DIO D1
DIO D2
27
28
DIO D3
DIO D4
29
30
DIO D5
DIO D6
31
32
DIO D7
DIO E0 / PWM0
33
34
DIO E1 / PWM1
DIO E2 / PWM2
35
36
DIO E3 / PWM3
DIO E4 / GATE1
37
38
DIO E5 / TOUT1
J8 Digital I/O Connector