To Next Page

To Previous Page

Hardware Installation

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.

Figure 4. PWR1 Motherboard Connector

Table 1. PWR1 Pin Assignments

Connector Pin Signal Pin

Signal

1 +3.3V 13 +3.3V

2 +3.3V 14 -12V

3 GND 15 GND

4 +5V 16 PS_ON

5 GND 17 GND

6 +5V 18 GND

7 GND 19 GND

8 PWROK 20 RSVD

9 +5V_AUX 21 +5V

10 +12V 22 +5V

11 +12V 23 +5V

24 13

12 1

12 +3.3V 24 GND

PWR1 connector

Plug power cable from system

power supply to PWR1

Card edge

Questions and Answers:

Need help?

Do you have a question about the XFX nForce 790i Ultra and is the answer not in the manual?

XFX nForce 790i Ultra Specifications

General