AC97 Integrated Realtek
ALC655
Audio
Type
Integrated
AC ‘97 Stereo Codec
Yes
FM Synthesis Support
Yes – Yamaha XG Lite
OPL3 FM Synthesis
Support
Yes
Sound Blaster
Compatibility
Yes
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:
*Internal Speaker Amplifier is for Internal Speaker only. External Speakers need to be powered
externally.
Sampling
7 kHz – 48 kHz
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
No
Digital Audio
Yes
Analog Audio
Yes
Number of Channels on
Line-Out
(mono/stereo)
Stereo (Left & Right channels)
Internal Audio Speaker
Power Rating
3W
Internal Speaker
Yes
Hardware Equalizer for
Internal Speaker
Fixed 7 Band ParametricEQ
External Speaker Jack
(Line-Out)
Yes
QuickSpecs
HP dx5150 Business PC
Technical Specifications - Audio
DA - 12105 North America — Version 26 — July 10, 2007
Page 29
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