AMD SB750, 790GX user manual HDMI-SPDIF Out header Spdif Out

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IR	GND	IRRX
	GND	IRRX
	2
Pin 1
	NC	VCC5 IRTX

6

5

IR infrared module Headers

(11)Serial COM Port header: COM1

COM1 is the 9-pin block pin-header. The On-board serial port can be disabled through BIOS SETUP. Please refer to Chapter 3 “INTEGRATED PERIPHERALS SETUP” section for more detail information

Pin1

Serial COM Port 9-pin Block

(12) 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

18

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Contents AMD 790GX & AMD SB750 Based Environmental Protection Announcement Table of Content Reversion Revision History Date Forth Edition October Manual Revision InformationAMD K10 Processor Family Cooling SolutionsChapter Special Features of Motherboard Memory Socket DesignChipset CPU Socket AM2+Performance Test Report Performance ListRear I / O for AMD790GX based Motherboard Layout DiagramJumpers Cmos RAM Clear 3-pin Jbat Hardware installation StepsChecking Motherboard’s Jumper Setting Keyboard/USB function Enabled/Disabled JP1Glossary Install CPUAbout AMD Athlon64 Socket AM2+ CPU Total Memory Install MemoryValid Memory Configurations Bank Pin Dimm Priority Standard function Expansion CardsPCI Express Slot Connectors, HeadersConnectors Power Connector 24-pin block ATXPWR1LAN Port connector UL1 for RJ45 LAN ATX 12V Power Connector 8-pin block ATX12VPS/2 Mouse & PS/2 Keyboard Connector KB USB Port connector CN1/ UL1 for USBAudio output to speaker Microphone ConnectorFloppy drive Connector 34-pin block FDD Audio input to sound chipHigh-Definition Multimedia Interface Hdmi Sub 15-pin Connector VGA1Digital Visual Interface DVI Headers 10IR infrared module Headers 5-pin IR CD Audio-In Headers 4-pin CDIN1HDMI-SPDIF Out header Spdif Out Beep Meaning Starting Up Your ComputerGetting Help Entering SetupPress F1 to continue, or Del to enter Setup Main Menu Standard Cmos Features Virus Warning Advanced Bios FeatureHard Disk Boot Priority Enabled default Enable cache Disabled Disable cacheBoot Up NumLock Status Quick Power On Self-TestFirst/Second/Third/Fourth Boot Device Boot Up Floppy SeekPrimary Dul Slot Config Advanced Chipset FeaturesPcie Configuration System Bios CacheableIGX Engine Clock Override IGX ConfigurationSuper IO Device Integrated PeripheralsOnchip IDE Function Onchip PCI Device Power Management Setup Miscellaneous Configuration Show PC Health in Post Shutdown TemperaturePS CPU Smart FAN Configurations PC Health StatusCPU Voltage at Next Boot Power User Overclock SettingCPU Vcore 7---SHIFT CPU VcoreNB Voltage IH Flow-Control ModeCAS # Latency CPU FeatureDram Configuration RAS-to-CAS DelayThermal Throttling Options Load Fail-Safe DefaultsLoad Optimized Defaults Password SettingsEnter Password Chapter Sound Install ALC888 HD Codec Audio Driver Install ATI Driver PackPage RAID Install ATI Sata Driver and Utility LAN Install LANInstall PC-CILLIN 2007 Anti-virus program 6PC-HEALTH Install MyGuard Hardware monitor Utility HOW to Update BiosAMD Platform RAID Function Installation Jbod Page Pro Magic Plus Function Introduction Making RAID driver diskette before Install WindowsXP/2000What functions does Pro Magic Plus have? Page Appendix Reserved Initialize Video Verify 8259 Channel 1 masked interrupts by RAM Quick Post Codes S4 Post Codes BootBlock Post Codes Boot Load boot sector