Mainboard nForce 680i SLI/

Mainboard nForce 680i LT SLI

IEEE1394 Header: IEEE1394

These mainboards provide one onboard IEEE1394 port on the back panel of your case. One additional IEEE1394 header on the mainboard for one more port on the front panel is allowed. Please connect the header by a cable for use with compatible devices.

 

Pin

Assignment

Pin

Assignment

 

1

TPA+

2

TPA-

 

3

GND

4

GND

IEEE1394

5

TPB+

6

TPB-

7

+12V

8

+12V

 

 

9

Key

10

GND

Clear CMOS Jumper: CLR_CMOS

The “Clear CMOS” function is used when you are unable boot your system and need to reset the BIOS settings (CMOS settings) back to the manufacturer’s original settings. This is also a way to reset the system password if you have forgotten it.

CLR_CMOS

Assignment

Pin 1-2 Closed

Clear CMOS Data

Pin 2-3 Closed

Normal (Default)

Note: Close stands for putting a jumper cap onto two header pins.

The following steps explain how to reset your CMOS configurations when you forgot a system password.

1.Turn off your system and disconnect the AC power cable.

2.Set CLR_CMOS header to OFF (1-2 Closed).

3.Wait several seconds.

4.Set CLR_CMOS header to ON (2-3 closed).

5.Connect the AC power cable and turn on your system.

6.Reset your new password.

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