ADLINK Express-BASE - Manual (Page 30)

Express-BASE User’s Manual Page 30
CN41: ATX 24-pin Power Connector
Connect the ATX 24-pin (or 20-pin) connector
to supply power to the Express-BASE carrier.
CN42: ATX 12V 4-pin Connector
Connect the ATX 12V 4-pin connector to
supply power to the COM Express module.
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
1
2 4
3
All 12V power for the COM Express module is provided by the ATX 12V 4-pin connector.
The system will not power up if CN42 is not connected to the power supply.
To avoid damage to the carrier board and installed components, be sure to connect the
ATX power supply to the correctly connectors. See 8.5 ATX Power Connectors on page 42
for detailed information.
6.18 Power Connectors
CN33/37: 12 V Fan Power Pin Signal
1 FAN Tach output
2 12 V
3 GND
3 2 1
1
2
3
4
5
6
7
8
9
10
11
12
+3.3 V
+3.3 V
Ground
+5 V
Ground
+5 V
Ground
PWR_GOOD
+5 V
SB
+12 V
+12 V
+3.3 V
13
14
15
16
17
18
19
20
21
22
23
24
+3.3 V
-12 V
COM
PWR_ON
COM
COM
COM
-5 V
+5 V
+5 V
+5 V
COM