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Technical Reference Guide
5.8.6 AUDIO SPECIFICATIONS
The specifications for the integrated AC’97 audio subsystem are listed in Table 5-23. The
specifications listed are applicable to both D315 and d325 systems.
Table 5–23. Audio Subsystem Specifications
Table 5-23.
AC97 Audio Subsystem Specifications
Parameter Measurement
Sampling Rate 7040 KHz to 48 KHz
Resolution 16 bit
Nominal Input Voltage:
Mic In (w/+20 db gain)
Line In
.283 Vp-p
2.83 Vp-p
Impedance:
Mic In
Line In
Line Out
1 K ohms (nom)
10 K ohms (min)
800 ohms
Signal-to-Noise Ratio (input to Line Out) 90 db (nom)
Frequency Response (-3db to Line Output):
Line Input
Mic Input
A/D (PC record)
Line input
Mic input
D/A (PC playback)
20 Hz – 20 KHz
100 Hz – 12 KHz
20 Hz – 19.2 KHz
100 Hz – 8.8 Khz
20 Hz – 19.2 KHz
Max. Power Output (with 10% THD): 3 watts (into 16 ohms)
Input Gain Attenuation Range -46.5 db
Master Volume Range -94.5 db
Frequency Response:
Codec
Speaker
20-20 KHz
450 - 4000 Hz
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
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