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AC97 Integrated ADI
AC97 Integrated ADIAC97 Integrated ADI
AC97 Integrated ADI
1981B Audio
1981B Audio1981B Audio
1981B Audio
Type
TypeType
Type
Integrated
AC ‘97 Stereo Codec
AC ‘97 Stereo CodecAC ‘97 Stereo Codec
AC ‘97 Stereo Codec
Yes
FM Synthesis Support
FM Synthesis SupportFM Synthesis Support
FM Synthesis Support
Yes – Yamaha XG Lite
OPL3 FM Synthesis
OPL3 FM SynthesisOPL3 FM Synthesis
OPL3 FM Synthesis
Support
SupportSupport
Support
Yes
Sound Blaster
Sound BlasterSound Blaster
Sound Blaster
Compatibility
CompatibilityCompatibility
Compatibility
Yes
Audio Jacks
Audio JacksAudio Jacks
Audio Jacks
Microphone-In (20-K ohm Input Impedance); rear stereo and front analog
microphone ports available except for USDT which has front stereo
microphone only
Line-In (12-K ohm Input Impedance)
Line-Out * (less than 800 ohms Output Impedance, expects at least a 10-K
ohm load)
Headphone-Out (2.5 Ohms Output Impedance, expects at least a 32 ohm
load)
NOTE:
NOTE: NOTE:
NOTE:
*Internal Speaker Amplifier is for Internal Speaker only. External Speakers need to be powered
externally.
Sampling
SamplingSampling
Sampling
7 kHz – 48 kHz
Wavetable Syntheses
Wavetable SynthesesWavetable Syntheses
Wavetable Syntheses
(software)
Yes – GM and FM Midi Support, Direct Music and Down Loadable Soundset
(4 Meg DLS Level 1 and 2 Support)
3D Positional Sound
3D Positional Sound3D Positional Sound
3D Positional Sound
No
Digital Audio
Digital AudioDigital Audio
Digital Audio
Yes
Analog Audio
Analog AudioAnalog Audio
Analog Audio
Yes
Number of Channels on
Number of Channels onNumber of Channels on
Number of Channels on
Line-Out
Line-OutLine-Out
Line-Out
(mono/stereo)
Stereo (Left & Right channels)
Internal Audio Speaker
Internal Audio SpeakerInternal Audio Speaker
Internal Audio Speaker
Power Rating
Power RatingPower Rating
Power Rating
3W
Internal Speaker
Internal SpeakerInternal Speaker
Internal Speaker
Yes
Hardware Equalizer for
Hardware Equalizer forHardware Equalizer for
Hardware Equalizer for
Internal Speaker
Internal SpeakerInternal Speaker
Internal Speaker
Fixed 7 Band ParametricEQ
External Speaker Jack
External Speaker JackExternal Speaker Jack
External Speaker Jack
(Line-Out)
Yes
QuickSpecs
HP Compaq Business Desktop dc7100 Series
HP Compaq Business Desktop dc7100 SeriesHP Compaq Business Desktop dc7100 Series
HP Compaq Business Desktop dc7100 Series
Technical Specifications - Audio
DA - 11948 North America — Version 33 — January 31, 2006
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