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Chapter 2 System Overview
Compaq Deskpro EXS and Workstation 300 Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition – December 2000
2-14
2.4.9 AUDIO SUBSYSTEM
All models feature an embedded Sound Blaster 128 PCI audio system using the AC’97 ver. 2.1
specification-based design. The subsystem features a Creative Labs, Inc. ES1373 audio controller
and a Cirrus Logic CS4297A audio codec. The output of the audio codec is applied to a 3-watt
amplifier that drives the chassis’ internal speaker. Standard microphone and line input jacks are
provided as well as a tri-purpose headphone/line/digital output jack that allows the use of
headphones or a pair of powered speakers (optional). The output jack also provides a digital audio
output signal using the Sony/Philips Digital Interface (SPDIF) format (officially known as IEC-
958).
2.5 SPECIFICATIONS
This section includes the environmental, electrical, and physical specifications for the Compaq
Deskpro EXS and Workstation 300 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
Maximum Line Current Draw
watts
A
watts
A