Technical Reference Guide
Compaq Deskpro EX Series of Personal Computers
First Edition - August 2000
2-17
2.4.9 AUDIO
SUBSYSTEM
All models feature an audio system using the AC’97 specification-based design and uses the
integrated AC97 audio controller of the 815 chipset and an AC’97-compliant audio codec.
Standard microphone and line input jacks are provided as well as a dual-purpose headphone/line
output jack that allows the use of a headphone or a set of powered speakers (optional). Legacy PC-
beep audio is supported through a board-mounted piezo speaker.
2.5 SPECIFICATIONS
This section includes the environmental, electrical, and physical specifications for the Compaq
Deskpro EX Series Personal Computers. Where provided, metric statistics are given in parenthesis.
All specifications subject to change without notice.
Table 2-5.
Environmental Specifications
Table 2-5.
Environmental Specifications (Factory Configuration)
Parameter
Operating
Nonoperating
Ambient Air Temperature
50
o
to 95
o
F (10
o
to 35
o
C, max. rate
of change < 10
°
C/Hr)
-24
o
to 140
o
F (-30
o
to 60
o
C, max.
rate of change < 20
°
C/Hr )
Shock (w/o damage)
5 Gs [1]
20 Gs [1]
Vibration
0.000215 G
2
/Hz, 10-300 Hz
0.0005 G
2
/Hz, 10-500 Hz
Humidity
10-90% Rh @ 28
o
C max.
wet bulb temperature
5-95% Rh @ 38.7
o
C max.
wet bulb temperature
Maximum Altitude
10,000 ft (3048 m) [2]
30,000 ft (9,144 m) [2]
NOTE:
[1] Peak input acceleration during an 11 ms half-sine shock pulse.
[2] Maximum rate of change: 1500 ft/min.
Table 2-6.
Electrical Specifications
Table 2-6.
Electrical Specifications
Parameter
U.S.
International
Input Line Voltage:
Nominal:
Maximum:
110 - 127 VAC
90 - 132 VAC
200 - 240 VAC
180 - 264 VAC
Input Line Frequency Range:
Nominal:
Maximum:
50 - 60 Hz
47 - 63 Hz
50 - 60 Hz
47 - 63 Hz
Power Supply:
Maximum Continuous Power
EX DT
EX MT
Maximum Line Current Draw
EX DT
EX MT
120 watts
200 watts
4.0 A
5.5 A
120 watts
200 watts
2.0 A
3.0 A
