AMD KM780V user manual Jumper Setting, HDMISPDIFOut header SPDIFOut, Cmos RAM Clear 3-pin Jbat

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(11) HDMI_SPDIF_Out header: SPDIF_Out

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 when your stereo system has digital input function. Some of the VGA Card need connect SPDIF_IN Connector, so its HDMI Port can make sounds.

HDMI_SPDIF_OUT

SPDIF

GND

1 2

3-3 Jumper Setting

(1) Keyboard/USB function Enabled/Disabled: JP1

JP1

JP1

1-2 Closed KB/USB Power ON Disable (Default)

2-3 Closed KB/USB Power ON Enabled

Keyboard/Mouse & USB Power On Setting

(2) CMOS RAM Clear (3-pin): JBAT

A battery must be used to retain the motherboard configuration in CMOS RAM short 1-2 pins of JPAT to store 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 2-3 for a few seconds

4.Return JBAT to its normal setting by shorting pins 1-2

5.Connect ATX power cable back to ATX power connector

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Contents KM780V Rev Environmental Protection Announcement Environmental Safety InstructionTable of Content Chapter Item Checklist Special Features of MotherboardMemory Socket DesignChipset CPU Socket AM2+For KM780V model Layout DiagramMaximum Capacity Hardware InstallationInstall Socket AM2+ Supported AMD Processor Install MemoryExpansion Cards Connectors Connectors, Headers & Jumpers SettingPrimary IDE Connector 40-pin block IDE1 Floppy drive Connector 34-pin block FDDHigh-Definition Multimedia Interface Hdmi Sub 15-pin Connector VGAHeaders Digital Visual Interface DVIPower switch PWR BTN Speaker connector SPEAK1Power LED PWR LED1 Reset switch lead ResetCD Audio-In Headers 4-pin CDIN1 FAN Power Headers SYSFAN1, SYSFAN2 3-pin, Cpufan 4-pinCmos RAM Clear 3-pin Jbat Jumper SettingKeyboard/USB function Enabled/Disabled JP1 HDMISPDIFOut header SPDIFOutCmos RAM Clear Setting How to Update Bios Trouble ShootingUseful Help Software List Chapter Software SetupWindows XP Appendix Solution:Cool air flowing Hot air flowing out