Installing and Configuring the NVIDIA nForce 650i Ultra Motherboard
Power Connections
This motherboard requires an ATX power supply. Make sure you have enough power to cover all the expansion cards you will be installing. To determine what you power requirements are for your specific configuration, refer to www.slizone.com.
24-pin ATX Power (PWR1)
PWR1 is the main power supply connector located along the edge of the board next to the DIMM slots. Make sure that the power supply cable and pins are properly aligned with the connector on the motherboard. Firmly plug the power supply cable into the connector and make sure it is secure.
Card edge
PWR1 connector
Plug power cable from system power supply to PWR1
Figure 3. PWR1 Motherboard Connector
Table 1. PWR1 Pin Assignments
Connector |
|
| Pin | Signal |
| Pin | ||
|
| 1 |
| +3.3V | 13 |
| ||
24 | 13 |
| 2 |
| +3.3V |
| 14 |
|
|
| 3 |
| GND | 15 |
| ||
|
|
| 4 |
| +5V |
| 16 |
|
|
| 5 |
| GND | 17 |
| ||
12 | 1 | 6 |
| +5V | 18 |
| ||
| 7 |
| GND |
| 19 |
| ||
|
|
|
|
|
| |||
|
| 8 |
| PWROK | 20 |
| ||
|
|
| 9 |
| +5V_AUX |
| 21 |
|
|
| 10 |
| +12V | 22 |
| ||
|
| 11 |
| +12V | 23 |
| ||
|
|
| 12 |
| +3.3V | 24 |
| |
Signal
+3.3V
GND
PS_ON
GND
GND
GND
RSVD +5V +5V +5V GND
16