VIA Technologies VX900 User Manual Download Page 14

 
 
 
                                                                                                                                                                                                                                                                                                                                                             

 
 
 

 

11

3-3 Jumper Setting 

(1)    CMOS RAM Clear (2-pin): JBAT 

A battery must be used to retain the motherboard configuration in CMOS RAM, 
short 1-2 pins of JBAT to clear the CMOS data. 

To clear the CMOS, follow the procedure below: 
1.  Turn off the system and unplug the AC power 
2.  Remove ATX power cable from ATX power connector 
3.  Locate JBAT and short pins 1-2 for a few seconds, if shorted with the jump cap,    

short for a few seconds then pull out the hat. 

4.  Connect ATX power cable back to ATX power connector 

Note: When should clear CMOS 
1. Troubleshooting 
2. Forget 

password 

3.  After over clocking system boot fail 

 

         

 

CMOS Clear Setting

1-2 Short

 CMOS Clear

JBAT 

1-2 Open

 Normal 

 

 

(2) KB/MS Power on Function Enabled/Disabled: JP1 

 

Keyboard/Mouse Power On Setting

2-3 Closed KB/MS Power ON Enabled 

JP1

JP1 

1-2 Closed KB/MS Power ON Disable (Default

                         

 
 
 
 
 
 
 
 

Summary of Contents for VX900

Page 1: ...k Specifications and Information contained in this documentation are furnished for information use only and are subject to change at any time without notice and should not be construed as a commitment...

Page 2: ...rops attached on PCB or the surface of the components can bring about phenomena as minor as computer instability resulted from corrosion and oxidation from components and PCB or as major as short circ...

Page 3: ...EM CHECKLIST 2 1 3 SPECIFICATION 3 1 4 LAYOUT DIAGRAM 4 CHAPTER 2 HARDWARE INSTALLATION 2 1 MEMORY MODULE INSTALLATION 5 2 2 EXPANSION SLOTS 6 CHAPTER 3 CONNCTORS HEADERS JUMPERS SETTING 3 1 CONNECTOR...

Page 4: ...ompatible with Sound Blaster Pro standards that offer you with the home cinema quality and absolutely software compatibility The VIA VX900 Express chipset based motherboard series offer one PCI Expres...

Page 5: ...e OC CON capacitors possess superior physical characteristics to prolong product life ten times than corresponding motherboard without capacitors every time working temperature increases 20 degrees Li...

Page 6: ...chipset supports two internal Serial ATA ports for two SATA devices providing 3 0 Gb sec data transfer rate Ethernet LAN z Integrated PCI E LAN chip z Supports Fast Ethernet LAN function provide 10Mb...

Page 7: ...12V Power Connector RJ 45 LAN Line IN MIC IN VGA Connector DDRIII Slot x 2 HDMI Connector USB Connectors USB Connector Serial ATAII Connector SATA 1 2 Audio Connector COM Header PCI Express 2 0x16by8l...

Page 8: ...ax 4GB 2 8GB Recommend DIMM Module Combination 1 One DDRIII Memory Module Plug in DIMMM1 2 Two DDRIII Memory Modules Plug in DIMM1 DIMM2 for Dual channel function Dual channel Limited 1 Dual channel f...

Page 9: ...with ATX case The ATX Power Supply allows using soft power on momentary switch that connect from the front panel switch to 2 pins Power On jumper pole on the motherboard When the power switch on the...

Page 10: ...devices with the 480 Mbit sec data transfer rate to the system board 5 LAN Port connector RJ 45 LAN port from UL1 This connector is standard RJ45 over USB connectors for Network connection The connec...

Page 11: ...d as a single cable solution for home theater and consumer electronics equipment NOTE DVI and HDMI Connector can not be used at the same time 3 2 Headers 1 Line Out MIC Header for Front Panel 9 pin FP...

Page 12: ...method of rebooting in order to prolong the lift of the system s power supply See the figure below 7 Power switch PWR BTN This 2 pin connector connects to the case mounted power switch to power ON OFF...

Page 13: ...k Pin1 10 SPDIF Out header HDMI_SPDIF1 The SPDIF output is capable of providing digital audio to external speakers or compressed AC3 data to an external Dolby digital decoder Use this feature only whe...

Page 14: ...or 3 Locate JBAT and short pins 1 2 for a few seconds if shorted with the jump cap short for a few seconds then pull out the hat 4 Connect ATX power cable back to ATX power connector Note When should...

Page 15: ...ights are lit and hard drive is spinning Using ever pressure on both ends of the DIMM press down firmly until the module snaps into places System doesn t boot from hard disk drive can be booted from o...

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