Compaq D310 manual Audio, Analog Devices AD1981A

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System Features

Audio

The audio solution on the Compaq Evo D310 Micro Desktop is the Integrated Analog Devices AD1981A AC’97 SoundMAX CODEC. The AD1981A interfaces directly with the South Bridge chip and performs all digital operations, such as sample rate conversions and synthesis, as well as mixing and processing the analog signals.

All models have a Line In jack, Line Out jack and Microphone In jack connector located on the rear panel. These external jacks are standard connectors.

Line out / speaker

Line in connector

connector

 

 

 

 

 

 

 

 

 

 

Microphone connector

Analog Devices AD1981A

Feature of the AD1981A include:

S/PDIF output, 20 bits data format, supporting 48 kHz, 44.1 kHz and 32 kHz

Integrated stereo headphone amplifier

Variable sample rate audio

External audio power down control

Greater than 90 dB dynamic range

16 bit stereo full duplex CODEC

20 bit resolution output DACs

Three analog line level stereo inputs for: line in, AUX and CD

Mono line level phone input

Mono MIC input with built in programmable pre-amp

High quality CD input with ground sense

Mono output for speakerphone or internal speaker

Power management support.

Other Enhanced Features include:

Built in digital equalizer function for optimized speaker sound

Full duplex variable sample rates from 7040 Hz to 48 kHz with 1 Hz resolution

Multiple CODEC configuration options.

Evo D310 Micro Desktop 33

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Contents Technical reference manual Page Troubleshooting Installing, Configuring and UpgradingInformation Roadmap Discover and use your productSystem recovery cd-roms Your computer’s online informationInformation on the hp support web site Type of Information Location Finding InformationIntel Chipsets developer.intel.com BibliographyTable of Contents Serviceability System Overview System Features System OverviewDescription Package Features Rear ConnectorsFront Panel Inside the PC Rear ViewAGP Graphic card available as an option Physical Characteristics SpecificationsEnvironmental Specifications Acoustic Noise EmissionPower Consumption System Features System Board Layout System FeaturesSystem Board Components Chipset Main FeaturesIntel 845G System Block Diagram Processor Intel Pentium 4 SocketIntel Celeron Socket Dimm slots Main MemoryPCI Slot Numbers Accessory Board SlotsFunction System Board SwitchesFloppy Disk Drives Hard Disk DrivesUltra-ATA/100 Hard Disk Drives 20GB 40GB 80GBOptical Drives Features of the CD-RW DriveCD-RW Technology Writing CD-R 10 = 1,500 KB/s MaxFeatures of the DVD-ROM Drive Digital Versatile Disk DVD Technology Audio features of DVD-Video DVD Region CodesRegion Features of the CD-ROM Drive Graphics Key FeaturesIntel 845G Chipset Integrated Graphics Memory Usage with Dynamic Video Memory TechnologyResolutions Refresh Rates Supported ResolutionsATI Radeon 65K colors 1920x1440 16.7M colors 1920x120065K colors 2048x1536 16.7M colors Hdvi to VGA adapterAnalog Devices AD1981A AudioLAN Controller Description Status Flashing Off LAN ConnectorUSB 2.0 Connectors Serviceability How to rotate Drive bay upwards ServiceabilityHow to remove the DVD CD-RW, or CD-ROM drive Evo D310 Micro DesktopBios Overview Bios Summary Entering the Configuration and Diagnostics menuBios Overview Main Menu Using the PC Setup ProgramAdvanced Menu Security MenuBoot Menu Power MenuExit Menu Wake Up Event Power Management and Wake Up EventsBios Addresses System Memory MapHP I/O Port Map I/O Addresses Used by the System DMA Channel Controllers Bios Overview Address Ports FunctionInterrupt Controllers Bios Overview DMA controllerWindows 2000 and Windows XP Interrupt Request DescriptionPCI Interrupt Request Lines Post TestsTo enable floppy and timer IRQ, enable internal cache Main Bios runtime code is to be decompressedFloppy read error Start searching AMIBOOT.ROM file in root directoryAny initialization before setting video mode to be done To do any setup before Int vector initGoing for monochrome mode and color mode setting Video display checking over. Display mode to be set nextSetup options programming after Cmos setup about to start Password checked. About to do programming before setupGoing for hard disk controller reset Floppy setup complete. Hard disk setup to be done nextTo build MP table if needed System configuration is displayedTo uncompress DMI data and execute DMI Post init Going to copy any code to specific areaMeaning HP e-DiagTools Preboot Diagnostics Beep CodesDrivers and Software Operating System Drivers SoftwareSoftware DiagToolsBios Updates Evo D310 Micro Desktop Page Created in France Date 06/2002