Appendix B
Hardware Configuration
©
National Instruments
B-11
You must connect the ATX main power connector and CPU power
connectors at JPW2/JPW3 to your power supply. Refer to Tables B-15
and B-16 for pin definitions.
Table B-15.
20-Pin Main Power Connector Pin Definitions
Pin
Definition
Wire Color
Pin
Definition
Wire Color
1
+3.3 Vdc
Orange
11
+3.3 Vdc
Orange
2
+3.3 Vdc
Orange
12
–12 Vdc
Blue
3
Ground
Black
13
Ground
Black
4
+5 Vdc
Red
14
PS on
Green
5
Ground
Black
15
Ground
Black
6
+5 Vdc
Red
16
Ground
Black
7
Ground
Black
17
Ground
Black
8
PWR_OK
Gray
18
–5 Vdc
White
9
+5 Vdc VSB
standby
voltage
Purple
19
+5 Vdc
Red
10
+12 Vdc
Yellow
20
+5 Vdc
Red
Table B-16.
12 V 8-Pin Power Connector Pin Definitions
Pins
Definition
1–4
Ground
5–8
+12 V