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15) F_USB1 / F_USB2 (Front USB Connector)

Be careful with the polarity of the front USB connector . Check the pin assignment carefully while you connect the front USB cable, incorrect connection between the cable and connector will m ake the device unable to work or even damage it. For optional front USB cable, please contact your local dealer.

 

 

Pin No.

Definition

 

 

1

Power

 

 

2

Power

2

10

3

USBDX-

4

USB Dy-

 

 

 

 

 

 

5

USBDX+

 

 

 

 

1

9

6

USB Dy+

7

GND

 

 

 

 

8

GND

 

 

9

No Pin

 

 

10

NC

16) CLR_CMOS (Clear CMOS)

You may clear the CMOS data to its default values by this jumper. To clear CMOS, temporarily shor 1- 2 pin. Default doesn't include the "Shunter" to prevent from im proper use this jumper.

1

Open: Normal

 

1

Short: Clear CMOS

 

17) BAT (BATTERY)

+

CAUTION

Danger of explosion if batteryis incorrectlyreplaced.

Replace only with the same or equivalent type recommendedbythe manufacturer.

Dispose ofused batteries according to the manufacturer'sinstructions.

If you want to erase CMOS...

1.T urn OFF the computerand unplug the powercord.

2.Remove the battery, wait for 30 second.

3.Re-install the battery.

4.Plug the power cord and turn ON the computer.

8I845PE-RZ Series Motherboard

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Intel 8I845PE-RZ-C user manual FUSB1 / FUSB2 Front USB Connector, Clrcmos Clear Cmos