Compaq dc7800 - Manual (Page 23)

High Definition Audio Type Integrated
High Definition Stereo
Codec Yes – ADI 4-channel ADI 1884 codec
Audio Jacks Front microphone-In (150-K ohm Input Impedance)
Rear Line-In/Microphone input (150-K ohm Input Impedance, function is
configurable by audio driver)
Rear Line-Out * (190 ohms Output Impedance, expects at least a 10-K
ohm load)
Front Headphone-Out (0.5 Ohm Output Impedance, expects at least a
32 ohm load)
* Internal Speaker Amplifier is for Internal Speaker only. External Speakers need to be powered
externally. Rear Line in audio port is re-taskable as Line-in or Microphone-in.
Multistreaming
Capable Multistreaming can be enabled in the ADI control panel to allow
independent audio streams to be sent to/from the front and rear jacks.
Sampling 8 kHz – 192 kHz
Wavetable Syntheses
(software) Yes – Uses OS soft wavetable
Analog Audio Yes
Number of Channels
on Line-Out
(mono/stereo) Stereo (Left & Right channels)
Internal Audio Speaker
Power Rating 1.5 W
Internal Speaker Yes
External Speaker Jack
(Line-Out) Yes
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Audio
DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007 Page 23