
20
3.15 External Switches and Indicators
There are several external switches and indicators for monitoring and
controlling your CPU board. All the functions are in the CN7, CN12, and
CN20 connectors.
•
Suspend Led Connector (CN7)
PIN Description
1 LED+
2 LED-
•
ATX Power On/Off Button Connector (CN12)
PIN Description
1 PWR
2 GROUND
•
CN20: Multi Panel
PIN Description PIN Description
1
POWER-LED +
2
SPEAKER -
3 N/C
4 N/C
5 POWER-LED
-
6 N/C
7
8 SPEAKER
+5V
9 KEYLOCK-
10 RESET
SW
11 GROUND
12 RESET SW GND
13 HDD LED+
14 HDD LED -
3.16 IEEE-1394 Connector
NOVA-7820 is equipped witch IEEE1394 controller (TI TSB43AA22). You
can connect it to your 1394 device through CN21, 36 connectors. The pin
assignments are as follows:
•
CN21: 1394 Connector
PIN Description PIN Description
1 VCC12V 2 GROUND
3 TPB- 4 TPB+
5 TPA- 6 TPA+
7 NC/FG 8 NC/FG
•
CN36: 1394 Connector
PIN Description PIN Description
1 VCC12V 2 GROUND
3 TPB- 4 TPB+
5 TPA- 6 TPA+