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Foxconn 648FX7MF-RS User Manual

Page 31

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661FX7MF/648FX7MF/648C7MF Series User Manual

Chapter 2 Installation Instructions

The users can change the jumper settings on this motherboard if needed. This

section explains how to use the various functions of this motherboard by changing

the jumper settings. Users should read the following contents carefully prior to

modifying any jumper settings.

Description of Jumpers

1.

For the jumpers on this motherboard, pin 1 can be identified by the silk-

screen printed “

” next to it. However, in this manual, pin 1 is simply

labeled as “1”.

2.

The following table provides some explanation of the jumper pin settings.

User should refer to this when adjusting jumper settings.

Clear CMOS Jumper: CLS_CMOS

This motherboard uses the CMOS RAM to store all

the set parameters. The CMOS can be cleared by

removing the CMOS jumper.

How to clear CMOS?

1. Turn off the AC power supply and quickly

connect pins 1 and 2 together using the

jumper cap.

2. Return the jumper setting to normal (pins 2

and 3 locked together with the jumper cap).

3. Turn the AC power supply back on.

Jumper Diagram Definition

Description

1-2

Set pin1 and pin2 closed

2-3

Set pin2 and pin3 closed

Closed

Set the pin closed

Open

Set the pin opened

1

1

1

1

1

Normal Status

(Default)

Clear CMOS Jumper

Clear CMOS

1

3

2

1. Disconnect the power cable before adjusting the jumper settings.

2. Do not clear the CMOS while the system is turned on.

Warning:

1

3

2