7-20
Physical and Operating Systems
Audio System
Table 7-16
Audio System
Sampling rate
4 KHz to 48 KHz (adjustable)
Maximum Voltage (rms)
Microphone-in
Line-in
Headphone-out
Line-out
0.030
0.7
n/a
0.7
Impedance (nominal)
Microphone-in
Line-in
Headphone-out
Line-out
1-K ohm
20-K ohms
16 ohms (min.)
20-K ohms
Speaker
Frequency response
150 Hz to 15K Hz
Data Types
alaw
µ
law
mono/stereo
8-/16-bit
8-/16-bit
16-bit
Keyboard
Table 7-17
Compaq Enhanced Keyboard
U.S.
Metric
Dimensions
Height
Width
Depth
1.3 in
18.3 in
6.4 in
3.3 cm
46.5 cm
16.1 cm
Weight
3.0 lb
1.4 kg