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28 Chapter1
Using Your Personal Workstation
System Rear Panel Connectors
Audio Connectors
Your Personal Workstation has audio input and output capability
through external input and output connectors on the rear panel and
through an internal speaker. The rear panel contains the Line IN, Line
OUT, Mic IN, and Headset OUT connectors. See Figure 1-3.
Figure 1-3 Audio Connectors
The audio connectors are standard stereo audio mini-jacks. For a
summary of the computer audio electrical specifications, see Table 1-3.
Note that the audio electrical specifications meet PC99 and AC97
requirements.
Parallel IEEE 1284 I/O Connector
The 25-pin parallel I/O interface uses IEEE 1284 I/O interface protocols.
Line Input Jack
Line Output Jack
Microphone
Headset
Table 1-3 Audio Electrical Specifications
Frequency Response 20 Hz to 20k Hz
Max Input Sensitivity/Impedance
Line in
Microphone
2.0Vrms/10Kohms
100mVrms/47Kohm
Max Output Level/Impedance
Line out
Headset
Speaker (internal)
1.5Vrms/40Kohms
1.0Vrms/32ohms
n.a.